13147 lines
356 KiB
JavaScript
13147 lines
356 KiB
JavaScript
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Wallet = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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(function (Buffer){
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var rlp = require('rlp');
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var Contract = require('./lib/contract.js');
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var SigningKey = require('./lib/signing-key.js');
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var Wallet = require('./lib/wallet.js');
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var utils = require('./lib/utils.js');
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var BN = utils.BN;
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var exportUtils = {};
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utils.defineProperty(Wallet, 'utils', exportUtils);
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utils.defineProperty(exportUtils, 'BN', BN);
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utils.defineProperty(exportUtils, 'Buffer', Buffer);
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utils.defineProperty(exportUtils, 'sha3', utils.sha3);
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utils.defineProperty(exportUtils, 'sha256', utils.sha256);
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// http://ethereum.stackexchange.com/questions/760/how-is-the-address-of-an-ethereum-contract-computed
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utils.defineProperty(exportUtils, 'getContractAddress', function(transaction) {
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return SigningKey.getAddress('0x' + utils.sha3(rlp.encode([
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utils.hexOrBuffer(utils.getAddress(transaction.from)),
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utils.hexOrBuffer(utils.hexlify(transaction.nonce, 'nonce'))
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])).slice(12).toString('hex'));
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});
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module.exports = Wallet;
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utils.defineProperty(Wallet, 'getAddress', SigningKey.getAddress);
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utils.defineProperty(Wallet, 'getIcapAddress', SigningKey.getIcapAddress);
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module.exports = Wallet;
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}).call(this,require("buffer").Buffer)
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},{"./lib/contract.js":2,"./lib/signing-key.js":3,"./lib/utils.js":4,"./lib/wallet.js":5,"buffer":33,"rlp":41}],2:[function(require,module,exports){
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(function (Buffer){
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var utils = require('./utils.js');
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// Creates property that is immutable
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function defineFrozen(object, name, value) {
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var frozen = JSON.stringify(value);
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Object.defineProperty(object, name, {
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enumerable: true,
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get: function() { return JSON.parse(frozen); }
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});
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}
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// getKeys([{a: 1, b: 2}, {a: 3, b: 4}], 'a') => [1, 3]
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function getKeys(params, key) {
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if (!Array.isArray(params)) { throw new Error('invalid params'); }
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var result = [];
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for (var i = 0; i < params.length; i++) {
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if (typeof(params[i][key]) !== 'string') { throw new Error('invalid abi'); }
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result.push(params[i][key]);
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}
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return result;
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}
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// Convert the value from a Number to a BN (if necessary)
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function numberOrBN(value) {
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if (!value.eq) {
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if (typeof(value) !== 'number') {
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throw new Error('invalid number');
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}
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value = new utils.BN(value);
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}
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return value;
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}
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function coderNumber(size, signed) {
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return {
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encode: function(value) {
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value = numberOrBN(value)
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// if (signed) {
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return value.toTwos(32 * 8).toArrayLike(Buffer, 'be', 32);
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// } else {
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// return value.toArrayLike(Buffer, 'be', 32);
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// }
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},
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decode: function(data, offset) {
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var value = new utils.BN(data.slice(offset, offset + 32));
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// if (signed) {
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value = value.fromTwos(32 * 8);
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// }
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return {
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consumed: 32,
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value: value,
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}
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}
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};
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}
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var uint256Coder = coderNumber(32, false);
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var coderBoolean = {
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encode: function(value) {
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return uint256Coder.encode(value ? 1: 0);
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},
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decode: function(data, offset) {
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var result = uint256Coder.decode(data, offset);
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return {
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consumed: result.consumed,
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value: !result.value.isZero()
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}
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}
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}
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function coderFixedBytes(length) {
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return {
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encode: function(value) {
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value = utils.hexOrBuffer(value);
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if (length === 32) { return value; }
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var result = new Buffer(32);
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result.fill(0);
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value.copy(result);
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return result;
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},
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decode: function(data, offset) {
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if (data.length < offset + 32) { throw new Error('invalid bytes' + length); }
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return {
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consumed: 32,
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value: '0x' + data.slice(offset, offset + length).toString('hex')
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}
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}
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};
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}
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var coderAddress = {
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encode: function(value) {
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if (!utils.isHexString(value, 20)) { throw new Error('invalid address'); }
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value = utils.hexOrBuffer(value);
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var result = new Buffer(32);
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result.fill(0);
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value.copy(result, 12);
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return result;
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},
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decode: function(data, offset) {
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if (data.length < offset + 32) { throw new Error('invalid address'); }
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return {
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consumed: 32,
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value: '0x' + data.slice(offset + 12, offset + 32).toString('hex')
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}
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}
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}
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function _encodeDynamicBytes(value) {
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var dataLength = parseInt(32 * Math.ceil(value.length / 32));
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var padding = new Buffer(dataLength - value.length);
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padding.fill(0);
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return Buffer.concat([
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uint256Coder.encode(value.length),
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value,
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padding
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]);
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}
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function _decodeDynamicBytes(data, offset) {
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if (data.length < offset + 32) { throw new Error('invalid bytes'); }
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var length = uint256Coder.decode(data, offset).value;
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length = length.toNumber();
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if (data.length < offset + 32 + length) { throw new Error('invalid bytes'); }
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return {
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consumed: parseInt(32 + 32 * Math.ceil(length / 32)),
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value: data.slice(offset + 32, offset + 32 + length),
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}
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}
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var coderDynamicBytes = {
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encode: function(value) {
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return _encodeDynamicBytes(utils.hexOrBuffer(value));
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},
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decode: function(data, offset) {
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var result = _decodeDynamicBytes(data, offset);
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result.value = '0x' + result.value.toString('hex');
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return result;
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},
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dynamic: true
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};
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var coderString = {
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encode: function(value) {
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return _encodeDynamicBytes(new Buffer(value, 'utf8'));
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},
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decode: function(data, offset) {
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var result = _decodeDynamicBytes(data, offset);
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result.value = result.value.toString('utf8');
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return result;
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},
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dynamic: true
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};
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function coderArray(coder, length) {
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return {
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encode: function(value) {
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if (!Array.isArray(value)) { throw new Error('invalid array'); }
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var result = new Buffer(0);
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if (length === -1) {
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length = value.length;
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result = uint256Coder.encode(length);
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}
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if (length !== value.length) { throw new Error('size mismatch'); }
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value.forEach(function(value) {
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result = Buffer.concat([
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result,
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coder.encode(value)
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]);
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});
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return result;
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},
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decode: function(data, offset) {
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// @TODO:
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//if (data.length < offset + length * 32) { throw new Error('invalid array'); }
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var consumed = 0;
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var result;
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if (length === -1) {
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result = uint256Coder.decode(data, offset);
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length = result.value.toNumber();
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consumed += result.consumed;
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offset += result.consumed;
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}
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var value = [];
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for (var i = 0; i < length; i++) {
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var result = coder.decode(data, offset);
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consumed += result.consumed;
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offset += result.consumed;
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value.push(result.value);
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}
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return {
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consumed: consumed,
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value: value,
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}
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},
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dynamic: (length === -1)
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}
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}
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// Break the type up into [staticType][staticArray]*[dynamicArray]? | [dynamicType] and
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// build the coder up from its parts
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var paramTypePart = new RegExp(/^((u?int|bytes)([0-9]*)|(address|bool|string)|(\[([0-9]*)\]))/);
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function getParamCoder(type) {
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var coder = null;
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while (type) {
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var part = type.match(paramTypePart);
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if (!part) { throw new Error('invalid type: ' + type); }
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type = type.substring(part[0].length);
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var prefix = (part[2] || part[4] || part[5]);
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switch (prefix) {
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case 'int': case 'uint':
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if (coder) { throw new Error('invalid type ' + type); }
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var size = parseInt(part[3] || 256);
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if (size === 0 || size > 256 || (size % 8) !== 0) {
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throw new Error('invalid type ' + type);
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}
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coder = coderNumber(size / 8, (prefix === 'int'));
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break;
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case 'bool':
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if (coder) { throw new Error('invalid type ' + type); }
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coder = coderBoolean;
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break;
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case 'string':
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if (coder) { throw new Error('invalid type ' + type); }
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coder = coderString;
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break;
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case 'bytes':
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if (coder) { throw new Error('invalid type ' + type); }
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if (part[3]) {
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var size = parseInt(part[3]);
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if (size === 0 || size > 32) {
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throw new Error('invalid type ' + type);
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}
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coder = coderFixedBytes(size);
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} else {
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coder = coderDynamicBytes;
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}
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break;
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case 'address':
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if (coder) { throw new Error('invalid type ' + type); }
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coder = coderAddress;
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break;
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case '[]':
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if (!coder || coder.dynamic) { throw new Error('invalid type ' + type); }
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coder = coderArray(coder, -1);
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break;
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// "[0-9+]"
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default:
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if (!coder || coder.dynamic) { throw new Error('invalid type ' + type); }
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var size = parseInt(part[6]);
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coder = coderArray(coder, size);
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}
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}
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if (!coder) { throw new Error('invalid type'); }
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return coder;
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|
}
|
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function Interface(abi) {
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|
if (!(this instanceof Interface)) { throw new Error('missing new'); }
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|
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//defineProperty(this, 'address', address);
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|
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// Wrap this up as JSON so we can return a "copy" and avoid mutation
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defineFrozen(this, 'abi', abi);
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var methods = [], events = [];
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abi.forEach(function(method) {
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|
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switch (method.type) {
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|
case 'function':
|
|
methods.push(method.name);
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func = (function() {
|
|
var inputTypes = getKeys(method.inputs, 'type');
|
|
var outputTypes = getKeys(method.outputs, 'type');
|
|
|
|
var func = function() {
|
|
var signature = method.name + '(' + getKeys(method.inputs, 'type').join(',') + ')';
|
|
var result = {
|
|
name: method.name,
|
|
signature: signature,
|
|
};
|
|
|
|
var params = Array.prototype.slice.call(arguments, 0);
|
|
|
|
if (params.length < inputTypes.length) {
|
|
throw new Error('missing parameter');
|
|
} else if (params.length > inputTypes.length) {
|
|
throw new Error('too many parameters');
|
|
}
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signature = '0x' + utils.sha3(signature).slice(0, 4).toString('hex');
|
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|
|
result.data = signature + Interface.encodeParams(inputTypes, params);
|
|
if (method.constant) {
|
|
result.type = 'call';
|
|
result.parse = function(data) {
|
|
return Interface.decodeParams(
|
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outputTypes,
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utils.hexOrBuffer(data).toString('hex')
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|
)
|
|
};
|
|
} else {
|
|
result.type = 'transaction';
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
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defineFrozen(func, 'inputs', getKeys(method.inputs, 'name'));
|
|
defineFrozen(func, 'outputs', getKeys(method.outputs, 'name'));
|
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|
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return func;
|
|
})();
|
|
break;
|
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|
|
case 'event':
|
|
events.push(method.name);
|
|
func = (function() {
|
|
var inputTypes = getKeys(method.inputs, 'type');
|
|
var func = function() {
|
|
var signature = method.name + '(' + getKeys(method.inputs, 'type').join(',') + ')';
|
|
var result = {
|
|
inputs: method.inputs,
|
|
name: method.name,
|
|
type: 'filter',
|
|
signature: signature,
|
|
topics: ['0x' + utils.sha3(signature).toString('hex')],
|
|
};
|
|
result.parse = function(data) {
|
|
return Interface.decodeParams(
|
|
inputTypes,
|
|
utils.hexOrBuffer(data).toString('hex')
|
|
);
|
|
};
|
|
return result;
|
|
}
|
|
defineFrozen(func, 'inputs', getKeys(method.inputs, 'name'));
|
|
return func;
|
|
})();
|
|
break;
|
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|
|
default:
|
|
func = (function() {
|
|
return function() {
|
|
return {type: 'unknown'}
|
|
}
|
|
})();
|
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break;
|
|
}
|
|
utils.defineProperty(this, method.name, func);
|
|
}, this);
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|
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defineFrozen(this, 'methods', methods);
|
|
defineFrozen(this, 'events', events);
|
|
}
|
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|
|
|
|
|
|
|
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utils.defineProperty(Interface, 'encodeParams', function(types, values) {
|
|
if (types.length !== values.length) { throw new Error('types/values mismatch'); }
|
|
|
|
var parts = [];
|
|
|
|
types.forEach(function(type, index) {
|
|
var coder = getParamCoder(type);
|
|
parts.push({dynamic: coder.dynamic, value: coder.encode(values[index])});
|
|
})
|
|
|
|
function alignSize(size) {
|
|
return parseInt(32 * Math.ceil(size / 32));
|
|
}
|
|
|
|
var staticSize = 0, dynamicSize = 0;
|
|
parts.forEach(function(part) {
|
|
if (part.dynamic) {
|
|
staticSize += 32;
|
|
dynamicSize += alignSize(part.value.length);
|
|
} else {
|
|
staticSize += alignSize(part.value.length);
|
|
}
|
|
});
|
|
|
|
var offset = 0, dynamicOffset = staticSize;
|
|
var data = new Buffer(staticSize + dynamicSize);
|
|
|
|
parts.forEach(function(part, index) {
|
|
if (part.dynamic) {
|
|
uint256Coder.encode(dynamicOffset).copy(data, offset);
|
|
offset += 32;
|
|
|
|
part.value.copy(data, dynamicOffset);
|
|
dynamicOffset += alignSize(part.value.length);
|
|
} else {
|
|
part.value.copy(data, offset);
|
|
offset += alignSize(part.value.length);
|
|
}
|
|
});
|
|
|
|
return '0x' + data.toString('hex');
|
|
});
|
|
|
|
utils.defineProperty(Interface, 'decodeParams', function(types, data) {
|
|
data = utils.hexOrBuffer(data);
|
|
|
|
var values = [];
|
|
|
|
var offset = 0;
|
|
types.forEach(function(type) {
|
|
var coder = getParamCoder(type);
|
|
if (coder.dynamic) {
|
|
var dynamicOffset = uint256Coder.decode(data, offset);
|
|
var result = coder.decode(data, dynamicOffset.value.toNumber());
|
|
offset += dynamicOffset.consumed;
|
|
} else {
|
|
var result = coder.decode(data, offset);
|
|
offset += result.consumed;
|
|
}
|
|
values.push(result.value);
|
|
});
|
|
|
|
return values;
|
|
});
|
|
|
|
|
|
var allowedTransactionKeys = {
|
|
data: true, from: true, gasLimit: true, gasPrice:true, to: true, value: true
|
|
}
|
|
|
|
function Contract(web3, wallet, contractAddress, interface) {
|
|
utils.defineProperty(this, 'web3', web3);
|
|
utils.defineProperty(this, 'wallet', wallet);
|
|
utils.defineProperty(this, 'contractAddress', contractAddress);
|
|
|
|
utils.defineProperty(this, 'interface', interface);
|
|
|
|
function getWeb3Promise(method) {
|
|
var params = Array.prototype.slice.call(arguments, 1);
|
|
return new Promise(function(resolve, reject) {
|
|
params.push(function(error, result) {
|
|
if (error) {
|
|
return reject(error);
|
|
}
|
|
resolve(result);
|
|
});
|
|
web3.eth[method].apply(web3, params);
|
|
});
|
|
}
|
|
|
|
var self = this;
|
|
|
|
var filters = {};
|
|
function setupFilter(call, callback) {
|
|
var info = filters[call.name];
|
|
|
|
// Stop and remove the filter
|
|
if (!callback) {
|
|
if (info) { info.filter.stopWatching(); }
|
|
delete filters[call.name];
|
|
return;
|
|
}
|
|
|
|
if (typeof(callback) !== 'function') {
|
|
throw new Error('invalid callback');
|
|
}
|
|
|
|
// Already have a filter, just update the callback
|
|
if (info) {
|
|
info.callback = callback;
|
|
return;
|
|
}
|
|
|
|
info = {callback: callback};
|
|
filters[call.name] = info;
|
|
|
|
// Start a new filter
|
|
info.filter = web3.eth.filter({
|
|
address: contractAddress,
|
|
topics: call.topics
|
|
}, function(error, result) {
|
|
// @TODO: Emit errors to .onerror? Maybe?
|
|
if (error) {
|
|
console.log(error);
|
|
return;
|
|
}
|
|
|
|
try {
|
|
info.callback.apply(self, call.parse(result.data));
|
|
} catch(error) {
|
|
console.log(error);
|
|
}
|
|
});
|
|
}
|
|
|
|
function runMethod(method) {
|
|
return function() {
|
|
var transaction = {}
|
|
|
|
var params = Array.prototype.slice.call(arguments);
|
|
if (params.length == interface[method].inputs.length + 1) {
|
|
transaction = params.pop();
|
|
if (typeof(transaction) !== 'object') {
|
|
throw new Error('invalid transaction overrides');
|
|
}
|
|
for (var key in transaction) {
|
|
if (!allowedTransactionKeys[key]) {
|
|
throw new Error('unknown transaction override ' + key);
|
|
}
|
|
}
|
|
}
|
|
|
|
var call = interface[method].apply(interface, params);
|
|
switch (call.type) {
|
|
case 'call':
|
|
['data', 'gasLimit', 'gasPrice', 'to', 'value'].forEach(function(key) {
|
|
if (transaction[key] != null) {
|
|
throw new Error('call cannot override ' + key) ;
|
|
}
|
|
});
|
|
transaction.data = call.data;
|
|
if (transaction.from == null) {
|
|
transaction.from = wallet.address;
|
|
}
|
|
transaction.to = contractAddress;
|
|
|
|
return new Promise(function(resolve, reject) {
|
|
getWeb3Promise('call', transaction).then(function(value) {
|
|
resolve(call.parse(value));
|
|
}, function(error) {
|
|
reject(error);
|
|
});
|
|
});
|
|
|
|
case 'transaction':
|
|
['data', 'from', 'to'].forEach(function(key) {
|
|
if (transaction[key] != null) {
|
|
throw new Error('transaction cannot override ' + key) ;
|
|
}
|
|
});
|
|
transaction.data = call.data;
|
|
transaction.to = contractAddress;
|
|
if (transaction.gasLimit == null) {
|
|
transaction.gasLimit = 3000000;
|
|
}
|
|
|
|
return new Promise(function(resolve, reject) {
|
|
Promise.all([
|
|
getWeb3Promise('getTransactionCount', wallet.address, 'pending'),
|
|
getWeb3Promise('getGasPrice'),
|
|
]).then(function(results) {
|
|
if (transaction.nonce == null) {
|
|
transaction.nonce = results[0];
|
|
} else if (console.warn) {
|
|
console.warn('Overriding suggested nonce: ' + results[0]);
|
|
}
|
|
if (transaction.gasPrice == null) {
|
|
transaction.gasPrice = results[1];
|
|
} else if (console.warn) {
|
|
console.warn('Overriding suggested gasPrice: ' + utils.hexlify(results[1]));
|
|
}
|
|
var signedTransaction = wallet.sign(transaction);
|
|
/*
|
|
data: call.data,
|
|
gasLimit: 3000000,
|
|
gasPrice: results[1],
|
|
nonce: results[0],
|
|
to: contractAddress,
|
|
});
|
|
*/
|
|
getWeb3Promise('sendRawTransaction', signedTransaction).then(function(txid) {
|
|
resolve(txid);
|
|
}, function(error) {
|
|
reject(error);
|
|
});
|
|
}, function(error) {
|
|
reject(error);
|
|
});
|
|
});
|
|
}
|
|
};
|
|
}
|
|
|
|
interface.methods.forEach(function(method) {
|
|
utils.defineProperty(this, method, runMethod(method));
|
|
}, this);
|
|
|
|
interface.events.forEach(function(method) {
|
|
var call = interface[method].apply(interface, []);
|
|
Object.defineProperty(self, 'on' + call.name.toLowerCase(), {
|
|
enumerable: true,
|
|
get: function() {
|
|
console.log('get');
|
|
var info = filters[call.name];
|
|
if (!info || !info[call.name]) { return null; }
|
|
return info.callback;
|
|
},
|
|
set: function(value) {
|
|
console.log('set');
|
|
setupFilter(call, value);
|
|
}
|
|
});
|
|
}, this);
|
|
}
|
|
utils.defineProperty(Contract, 'Interface', Interface);
|
|
|
|
module.exports = Contract;
|
|
|
|
}).call(this,require("buffer").Buffer)
|
|
},{"./utils.js":4,"buffer":33}],3:[function(require,module,exports){
|
|
(function (Buffer){
|
|
var elliptic = require('elliptic');
|
|
|
|
var utils = require('./utils.js');
|
|
|
|
var secp256k1 = new (elliptic.ec)('secp256k1');
|
|
|
|
|
|
function getChecksumAddress(address) {
|
|
if (typeof(address) !== 'string' || !address.match(/^0x[0-9A-Fa-f]{40}$/)) {
|
|
throw new Error('invalid address');
|
|
}
|
|
|
|
address = address.substring(2).toLowerCase();
|
|
var hashed = utils.sha3(address);
|
|
|
|
address = address.split('');
|
|
for (var i = 0; i < 40; i += 2) {
|
|
if ((hashed[i >> 1] >> 4) >= 8) {
|
|
address[i] = address[i].toUpperCase();
|
|
}
|
|
if ((hashed[i >> 1] & 0x0f) >= 8) {
|
|
address[i + 1] = address[i + 1].toUpperCase();
|
|
}
|
|
}
|
|
|
|
return '0x' + address.join('');
|
|
}
|
|
|
|
function getAddress(address) {
|
|
var result = null;
|
|
|
|
if (typeof(address) !== 'string') { throw new Error('invalid address'); }
|
|
|
|
if (address.match(/^(0x)?[0-9a-fA-F]{40}$/)) {
|
|
|
|
// Missing the 0x prefix
|
|
if (address.substring(0, 2) !== '0x') { address = '0x' + address; }
|
|
|
|
result = getChecksumAddress(address);
|
|
|
|
// It is a checksummed address with a bad checksum
|
|
if (address.match(/([A-F].*[a-f])|([a-f].*[A-F])/) && result !== address) {
|
|
throw new Error('invalid address checksum');
|
|
}
|
|
|
|
// Maybe ICAP? (we only support direct mode)
|
|
} else if (address.match(/^XE[0-9]{2}[0-9A-Za-z]{30,31}$/)) {
|
|
|
|
// It is an ICAP address with a bad checksum
|
|
if (address.substring(2, 4) !== ibanChecksum(address)) {
|
|
throw new Error('invalid address icap checksum');
|
|
}
|
|
|
|
result = (new utils.BN(address.substring(4), 36)).toString(16);
|
|
while (result.length < 40) { result = '0' + result; }
|
|
result = getChecksumAddress('0x' + result);
|
|
|
|
} else {
|
|
throw new Error('invalid address');
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
// See: https://en.wikipedia.org/wiki/International_Bank_Account_Number
|
|
var ibanChecksum = (function() {
|
|
|
|
// Create lookup table
|
|
var ibanLookup = {};
|
|
for (var i = 0; i < 10; i++) { ibanLookup[String(i)] = String(i); }
|
|
for (var i = 0; i < 26; i++) { ibanLookup[String.fromCharCode(65 + i)] = String(10 + i); }
|
|
|
|
// How many decimal digits can we process? (for 64-bit float, this is 15)
|
|
var safeDigits = Math.floor(Math.log10(Number.MAX_SAFE_INTEGER));
|
|
|
|
return function(address) {
|
|
address = address.toUpperCase();
|
|
address = address.substring(4) + address.substring(0, 2) + '00';
|
|
|
|
var expanded = address.split('');
|
|
for (var i = 0; i < expanded.length; i++) {
|
|
expanded[i] = ibanLookup[expanded[i]];
|
|
}
|
|
expanded = expanded.join('');
|
|
|
|
// Javascript can handle integers safely up to 15 (decimal) digits
|
|
while (expanded.length >= safeDigits){
|
|
var block = expanded.substring(0, safeDigits);
|
|
expanded = parseInt(block, 10) % 97 + expanded.substring(block.length);
|
|
}
|
|
|
|
checksum = String(98 - (parseInt(expanded, 10) % 97));
|
|
while (checksum.length < 2) { checksum = '0' + checksum; }
|
|
|
|
return checksum;
|
|
};
|
|
})();
|
|
|
|
|
|
function SigningKey(privateKey) {
|
|
if (!(this instanceof SigningKey)) { throw new Error('missing new'); }
|
|
|
|
if (typeof(privateKey) === 'string' && privateKey.match(/^0x[0-9A-Fa-f]{64}$/)) {
|
|
privateKey = new Buffer(privateKey.substring(2), 'hex');
|
|
} else if (!Buffer.isBuffer(privateKey) || privateKey.length !== 32) {
|
|
throw new Error('invalid private key');
|
|
}
|
|
|
|
var keyPair = secp256k1.keyFromPrivate(privateKey);
|
|
var publicKey = (new Buffer(keyPair.getPublic(false, 'hex'), 'hex')).slice(1);
|
|
|
|
var address = getAddress(utils.sha3(publicKey).slice(12).toString('hex'));
|
|
utils.defineProperty(this, 'address', address)
|
|
|
|
utils.defineProperty(this, 'signDigest', function(digest) {
|
|
return keyPair.sign(digest, {canonical: true});
|
|
});
|
|
}
|
|
|
|
utils.defineProperty(SigningKey, 'getAddress', getAddress);
|
|
|
|
utils.defineProperty(SigningKey, 'getIcapAddress', function(address) {
|
|
address = getAddress(address).substring(2);
|
|
var base36 = (new utils.BN(address, 16)).toString(36).toUpperCase();
|
|
while (base36.length < 30) { base36 = '0' + base36; }
|
|
return 'XE' + ibanChecksum('XE00' + base36) + base36;
|
|
});
|
|
|
|
|
|
module.exports = SigningKey;
|
|
|
|
}).call(this,require("buffer").Buffer)
|
|
},{"./utils.js":4,"buffer":33,"elliptic":6}],4:[function(require,module,exports){
|
|
(function (Buffer){
|
|
var elliptic = require('elliptic');
|
|
//var elliptic = require('../elliptic/lib/elliptic.js');
|
|
|
|
var BN = require('../node_modules/elliptic/node_modules/bn.js/lib/bn.js');
|
|
var hash = require('../node_modules/elliptic/node_modules/hash.js/lib/hash.js');
|
|
|
|
var secp256k1 = new (elliptic.ec)('secp256k1');
|
|
|
|
|
|
// See: https://github.com/emn178/js-sha3
|
|
var padding = [1, 256, 65536, 16777216];
|
|
var HEX_CHARS = '0123456789abcdef'.split('');
|
|
var SHIFT = [0, 8, 16, 24];
|
|
var RC = [1, 0, 32898, 0, 32906, 2147483648, 2147516416, 2147483648, 32907, 0, 2147483649,
|
|
0, 2147516545, 2147483648, 32777, 2147483648, 138, 0, 136, 0, 2147516425, 0,
|
|
2147483658, 0, 2147516555, 0, 139, 2147483648, 32905, 2147483648, 32771,
|
|
2147483648, 32770, 2147483648, 128, 2147483648, 32778, 0, 2147483658, 2147483648,
|
|
2147516545, 2147483648, 32896, 2147483648, 2147483649, 0, 2147516424, 2147483648];
|
|
|
|
var blocks = [], s = [];
|
|
|
|
function keccak(message) {
|
|
|
|
var block, code, end = false, index = 0, start = 0, length = message.length,
|
|
n, i, h, l, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9,
|
|
b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15, b16, b17,
|
|
b18, b19, b20, b21, b22, b23, b24, b25, b26, b27, b28, b29, b30, b31, b32, b33,
|
|
b34, b35, b36, b37, b38, b39, b40, b41, b42, b43, b44, b45, b46, b47, b48, b49;
|
|
var blockCount = 34;
|
|
var byteCount = blockCount * 4;
|
|
|
|
for (i = 0; i < 50; ++i) { s[i] = 0; }
|
|
|
|
block = 0;
|
|
do {
|
|
blocks[0] = block;
|
|
for (i = 1; i < blockCount + 1; ++i) { blocks[i] = 0; }
|
|
|
|
for (i = start; index < length && i < byteCount; ++index) {
|
|
blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
|
|
}
|
|
|
|
start = i - byteCount;
|
|
if (index == length) {
|
|
blocks[i >> 2] |= padding[i & 3];
|
|
++index;
|
|
}
|
|
|
|
block = blocks[blockCount];
|
|
if (index > length && i < byteCount) {
|
|
blocks[blockCount - 1] |= 0x80000000;
|
|
end = true;
|
|
}
|
|
|
|
for (i = 0;i < blockCount;++i) { s[i] ^= blocks[i]; }
|
|
|
|
for (n = 0; n < 48; n += 2) {
|
|
c0 = s[0] ^ s[10] ^ s[20] ^ s[30] ^ s[40];
|
|
c1 = s[1] ^ s[11] ^ s[21] ^ s[31] ^ s[41];
|
|
c2 = s[2] ^ s[12] ^ s[22] ^ s[32] ^ s[42];
|
|
c3 = s[3] ^ s[13] ^ s[23] ^ s[33] ^ s[43];
|
|
c4 = s[4] ^ s[14] ^ s[24] ^ s[34] ^ s[44];
|
|
c5 = s[5] ^ s[15] ^ s[25] ^ s[35] ^ s[45];
|
|
c6 = s[6] ^ s[16] ^ s[26] ^ s[36] ^ s[46];
|
|
c7 = s[7] ^ s[17] ^ s[27] ^ s[37] ^ s[47];
|
|
c8 = s[8] ^ s[18] ^ s[28] ^ s[38] ^ s[48];
|
|
c9 = s[9] ^ s[19] ^ s[29] ^ s[39] ^ s[49];
|
|
|
|
h = c8 ^ ((c2 << 1) | (c3 >>> 31));
|
|
l = c9 ^ ((c3 << 1) | (c2 >>> 31));
|
|
s[0] ^= h; s[1] ^= l; s[10] ^= h; s[11] ^= l;
|
|
s[20] ^= h; s[21] ^= l; s[30] ^= h; s[31] ^= l;
|
|
s[40] ^= h; s[41] ^= l;
|
|
h = c0 ^ ((c4 << 1) | (c5 >>> 31));
|
|
l = c1 ^ ((c5 << 1) | (c4 >>> 31));
|
|
s[2] ^= h; s[3] ^= l; s[12] ^= h; s[13] ^= l;
|
|
s[22] ^= h; s[23] ^= l; s[32] ^= h; s[33] ^= l;
|
|
s[42] ^= h; s[43] ^= l;
|
|
h = c2 ^ ((c6 << 1) | (c7 >>> 31));
|
|
l = c3 ^ ((c7 << 1) | (c6 >>> 31));
|
|
s[4] ^= h; s[5] ^= l; s[14] ^= h; s[15] ^= l;
|
|
s[24] ^= h; s[25] ^= l; s[34] ^= h; s[35] ^= l;
|
|
s[44] ^= h; s[45] ^= l;
|
|
h = c4 ^ ((c8 << 1) | (c9 >>> 31));
|
|
l = c5 ^ ((c9 << 1) | (c8 >>> 31));
|
|
s[6] ^= h; s[7] ^= l; s[16] ^= h; s[17] ^= l;
|
|
s[26] ^= h; s[27] ^= l; s[36] ^= h; s[37] ^= l;
|
|
s[46] ^= h; s[47] ^= l;
|
|
h = c6 ^ ((c0 << 1) | (c1 >>> 31));
|
|
l = c7 ^ ((c1 << 1) | (c0 >>> 31));
|
|
s[8] ^= h; s[9] ^= l; s[18] ^= h; s[19] ^= l;
|
|
s[28] ^= h; s[29] ^= l; s[38] ^= h; s[39] ^= l;
|
|
s[48] ^= h; s[49] ^= l;
|
|
|
|
b0 = s[0]; b1 = s[1];
|
|
b32 = (s[11] << 4) | (s[10] >>> 28);
|
|
b33 = (s[10] << 4) | (s[11] >>> 28);
|
|
b14 = (s[20] << 3) | (s[21] >>> 29);
|
|
b15 = (s[21] << 3) | (s[20] >>> 29);
|
|
b46 = (s[31] << 9) | (s[30] >>> 23);
|
|
b47 = (s[30] << 9) | (s[31] >>> 23);
|
|
b28 = (s[40] << 18) | (s[41] >>> 14);
|
|
b29 = (s[41] << 18) | (s[40] >>> 14);
|
|
b20 = (s[2] << 1) | (s[3] >>> 31);
|
|
b21 = (s[3] << 1) | (s[2] >>> 31);
|
|
b2 = (s[13] << 12) | (s[12] >>> 20);
|
|
b3 = (s[12] << 12) | (s[13] >>> 20);
|
|
b34 = (s[22] << 10) | (s[23] >>> 22);
|
|
b35 = (s[23] << 10) | (s[22] >>> 22);
|
|
b16 = (s[33] << 13) | (s[32] >>> 19);
|
|
b17 = (s[32] << 13) | (s[33] >>> 19);
|
|
b48 = (s[42] << 2) | (s[43] >>> 30);
|
|
b49 = (s[43] << 2) | (s[42] >>> 30);
|
|
b40 = (s[5] << 30) | (s[4] >>> 2);
|
|
b41 = (s[4] << 30) | (s[5] >>> 2);
|
|
b22 = (s[14] << 6) | (s[15] >>> 26);
|
|
b23 = (s[15] << 6) | (s[14] >>> 26);
|
|
b4 = (s[25] << 11) | (s[24] >>> 21);
|
|
b5 = (s[24] << 11) | (s[25] >>> 21);
|
|
b36 = (s[34] << 15) | (s[35] >>> 17);
|
|
b37 = (s[35] << 15) | (s[34] >>> 17);
|
|
b18 = (s[45] << 29) | (s[44] >>> 3);
|
|
b19 = (s[44] << 29) | (s[45] >>> 3);
|
|
b10 = (s[6] << 28) | (s[7] >>> 4);
|
|
b11 = (s[7] << 28) | (s[6] >>> 4);
|
|
b42 = (s[17] << 23) | (s[16] >>> 9);
|
|
b43 = (s[16] << 23) | (s[17] >>> 9);
|
|
b24 = (s[26] << 25) | (s[27] >>> 7);
|
|
b25 = (s[27] << 25) | (s[26] >>> 7);
|
|
b6 = (s[36] << 21) | (s[37] >>> 11);
|
|
b7 = (s[37] << 21) | (s[36] >>> 11);
|
|
b38 = (s[47] << 24) | (s[46] >>> 8);
|
|
b39 = (s[46] << 24) | (s[47] >>> 8);
|
|
b30 = (s[8] << 27) | (s[9] >>> 5);
|
|
b31 = (s[9] << 27) | (s[8] >>> 5);
|
|
b12 = (s[18] << 20) | (s[19] >>> 12);
|
|
b13 = (s[19] << 20) | (s[18] >>> 12);
|
|
b44 = (s[29] << 7) | (s[28] >>> 25);
|
|
b45 = (s[28] << 7) | (s[29] >>> 25);
|
|
b26 = (s[38] << 8) | (s[39] >>> 24);
|
|
b27 = (s[39] << 8) | (s[38] >>> 24);
|
|
b8 = (s[48] << 14) | (s[49] >>> 18);
|
|
b9 = (s[49] << 14) | (s[48] >>> 18);
|
|
|
|
s[0] = b0 ^ (~b2 & b4); s[1] = b1 ^ (~b3 & b5);
|
|
s[10] = b10 ^ (~b12 & b14); s[11] = b11 ^ (~b13 & b15);
|
|
s[20] = b20 ^ (~b22 & b24); s[21] = b21 ^ (~b23 & b25);
|
|
s[30] = b30 ^ (~b32 & b34); s[31] = b31 ^ (~b33 & b35);
|
|
s[40] = b40 ^ (~b42 & b44); s[41] = b41 ^ (~b43 & b45);
|
|
s[2] = b2 ^ (~b4 & b6); s[3] = b3 ^ (~b5 & b7);
|
|
s[12] = b12 ^ (~b14 & b16); s[13] = b13 ^ (~b15 & b17);
|
|
s[22] = b22 ^ (~b24 & b26); s[23] = b23 ^ (~b25 & b27);
|
|
s[32] = b32 ^ (~b34 & b36); s[33] = b33 ^ (~b35 & b37);
|
|
s[42] = b42 ^ (~b44 & b46); s[43] = b43 ^ (~b45 & b47);
|
|
s[4] = b4 ^ (~b6 & b8); s[5] = b5 ^ (~b7 & b9);
|
|
s[14] = b14 ^ (~b16 & b18); s[15] = b15 ^ (~b17 & b19);
|
|
s[24] = b24 ^ (~b26 & b28); s[25] = b25 ^ (~b27 & b29);
|
|
s[34] = b34 ^ (~b36 & b38); s[35] = b35 ^ (~b37 & b39);
|
|
s[44] = b44 ^ (~b46 & b48); s[45] = b45 ^ (~b47 & b49);
|
|
s[6] = b6 ^ (~b8 & b0); s[7] = b7 ^ (~b9 & b1);
|
|
s[16] = b16 ^ (~b18 & b10); s[17] = b17 ^ (~b19 & b11);
|
|
s[26] = b26 ^ (~b28 & b20); s[27] = b27 ^ (~b29 & b21);
|
|
s[36] = b36 ^ (~b38 & b30); s[37] = b37 ^ (~b39 & b31);
|
|
s[46] = b46 ^ (~b48 & b40); s[47] = b47 ^ (~b49 & b41);
|
|
s[8] = b8 ^ (~b0 & b2); s[9] = b9 ^ (~b1 & b3);
|
|
s[18] = b18 ^ (~b10 & b12); s[19] = b19 ^ (~b11 & b13);
|
|
s[28] = b28 ^ (~b20 & b22); s[29] = b29 ^ (~b21 & b23);
|
|
s[38] = b38 ^ (~b30 & b32); s[39] = b39 ^ (~b31 & b33);
|
|
s[48] = b48 ^ (~b40 & b42); s[49] = b49 ^ (~b41 & b43);
|
|
|
|
s[0] ^= RC[n]; s[1] ^= RC[n + 1];
|
|
}
|
|
} while(!end);
|
|
|
|
var hex = '';
|
|
for (i = 0, n = 8; i < n; ++i) {
|
|
h = s[i];
|
|
hex += HEX_CHARS[(h >> 4) & 0x0F] + HEX_CHARS[h & 0x0F] +
|
|
HEX_CHARS[(h >> 12) & 0x0F] + HEX_CHARS[(h >> 8) & 0x0F] +
|
|
HEX_CHARS[(h >> 20) & 0x0F] + HEX_CHARS[(h >> 16) & 0x0F] +
|
|
HEX_CHARS[(h >> 28) & 0x0F] + HEX_CHARS[(h >> 24) & 0x0F];
|
|
}
|
|
|
|
return hex;
|
|
};
|
|
|
|
// Quick sanity check
|
|
//if (keccak(new Buffer('ricmoo')) !== 'b05e424817fb90aa7a79e9da5c5f94070a316219c6ebb863a9ff7ca357dc9fa9') {
|
|
// throw new Error('problem with sh3?!');
|
|
//}
|
|
|
|
function sha256(data) {
|
|
if (typeof(data) === 'string') {
|
|
data = new Buffer(data, 'utf8');
|
|
} else if (!Buffer.isBuffer(data)) {
|
|
throw new Error('must be a sting');
|
|
}
|
|
|
|
return (new Buffer(hash.sha256().update(data).digest('hex'), 'hex'));
|
|
}
|
|
|
|
function sha3(data) {
|
|
if (typeof(data) === 'string') {
|
|
data = new Buffer(data, 'utf8');
|
|
} else if (!Buffer.isBuffer(data)) {
|
|
throw new Error('must be a sting');
|
|
}
|
|
|
|
return new Buffer(keccak(data), 'hex');
|
|
}
|
|
|
|
function defineProperty(object, name, value) {
|
|
Object.defineProperty(object, name, {
|
|
enumerable: true,
|
|
value: value
|
|
});
|
|
}
|
|
|
|
function stripZeros(buffer) {
|
|
var i = 0;
|
|
for (i = 0; i < buffer.length; i++) {
|
|
if (buffer[i] !== 0) { break; }
|
|
}
|
|
return (i > 0) ? buffer.slice(i): buffer;
|
|
}
|
|
|
|
function bnToBuffer(bn) {
|
|
var hex = bn.toString(16);
|
|
if (hex.length % 2) { hex = '0' + hex; }
|
|
return stripZeros(new Buffer(hex, 'hex'));
|
|
}
|
|
|
|
function isHexString(value, length) {
|
|
if (typeof(value) !== 'string' || !value.match(/^0x[0-9A-Fa-f]*$/)) {
|
|
return false
|
|
}
|
|
if (length && value.length !== 2 + 2 * length) { return false; }
|
|
return true;
|
|
}
|
|
|
|
function hexOrBuffer(value, name) {
|
|
if (!Buffer.isBuffer(value)) {
|
|
if (!isHexString(value)) {
|
|
var error = new Error(name ? ('invalid ' + name) : 'invalid hex or buffer');
|
|
error.reason = 'invalid hex string';
|
|
error.value = value;
|
|
throw error;
|
|
}
|
|
|
|
value = value.substring(2);
|
|
if (value.length % 2) { value = '0' + value; }
|
|
value = new Buffer(value, 'hex');
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
function hexlify(value, name) {
|
|
if (typeof(value) === 'number') {
|
|
return '0x' + bnToBuffer(new BN(value)).toString('hex');
|
|
} else if (value.mod || value.modulo) {
|
|
return '0x' + bnToBuffer(value).toString('hex')
|
|
} else {
|
|
return '0x' + hexOrBuffer(value).toString('hex');
|
|
}
|
|
throw new Error('invalid value');
|
|
}
|
|
|
|
|
|
module.exports = {
|
|
BN: BN,
|
|
|
|
defineProperty: defineProperty,
|
|
|
|
bnToBuffer: bnToBuffer,
|
|
isHexString: isHexString,
|
|
hexOrBuffer: hexOrBuffer,
|
|
hexlify: hexlify,
|
|
stripZeros: stripZeros,
|
|
|
|
sha256: sha256,
|
|
sha3: sha3,
|
|
}
|
|
|
|
}).call(this,require("buffer").Buffer)
|
|
},{"../node_modules/elliptic/node_modules/bn.js/lib/bn.js":22,"../node_modules/elliptic/node_modules/hash.js/lib/hash.js":24,"buffer":33,"elliptic":6}],5:[function(require,module,exports){
|
|
(function (Buffer){
|
|
var rlp = require('rlp');
|
|
|
|
var Contract = require('./contract.js');
|
|
var SigningKey = require('./signing-key.js');
|
|
|
|
var utils = require('./utils.js');
|
|
|
|
|
|
var transactionFields = [
|
|
{name: 'nonce', maxLength: 32, },
|
|
{name: 'gasPrice', maxLength: 32, },
|
|
{name: 'gasLimit', maxLength: 32, },
|
|
{name: 'to', length: 20, },
|
|
{name: 'value', maxLength: 32, },
|
|
{name: 'data'},
|
|
];
|
|
|
|
function Wallet(privateKey) {
|
|
if (!(this instanceof Wallet)) { throw new Error('missing new'); }
|
|
|
|
var signingKey = new SigningKey(privateKey);
|
|
|
|
utils.defineProperty(this, 'address', signingKey.address);
|
|
|
|
utils.defineProperty(this, 'sign', function(transaction) {
|
|
var raw = [];
|
|
transactionFields.forEach(function(fieldInfo) {
|
|
var value = transaction[fieldInfo.name] || (new Buffer(0));
|
|
value = utils.hexOrBuffer(utils.hexlify(value), fieldInfo.name);
|
|
|
|
// Fixed-width field
|
|
if (fieldInfo.length && value.length !== fieldInfo.length) {
|
|
var error = new Error('invalid ' + fieldInfo.name);
|
|
error.reason = 'wrong length';
|
|
error.value = value;
|
|
throw error;
|
|
}
|
|
|
|
// Variable-width (with a maximum)
|
|
if (fieldInfo.maxLength) {
|
|
value = utils.stripZeros(value);
|
|
if (value.length > fieldInfo.maxLength) {
|
|
var error = new Error('invalid ' + fieldInfo.name);
|
|
error.reason = 'too long';
|
|
error.value = value;
|
|
throw error;
|
|
}
|
|
}
|
|
|
|
raw.push(value);
|
|
});
|
|
|
|
var digest = utils.sha3(rlp.encode(raw));
|
|
|
|
var signature = signingKey.signDigest(digest);
|
|
var s = signature.s;
|
|
var v = signature.recoveryParam;
|
|
|
|
raw.push(new Buffer([27 + v]));
|
|
raw.push(utils.bnToBuffer(signature.r));
|
|
raw.push(utils.bnToBuffer(s));
|
|
|
|
return ('0x' + rlp.encode(raw).toString('hex'));
|
|
});
|
|
}
|
|
|
|
utils.defineProperty(Wallet, 'getAddress', SigningKey.getAddress);
|
|
utils.defineProperty(Wallet, 'getIcapAddress', SigningKey.getIcapAddress);
|
|
|
|
utils.defineProperty(Wallet, '_Contract', Contract);
|
|
|
|
|
|
utils.defineProperty(Wallet.prototype, 'getContract', function(address, abi, web3) {
|
|
return new Contract(web3, this, address, new Contract.Interface(abi));
|
|
});
|
|
|
|
module.exports = Wallet;
|
|
|
|
}).call(this,require("buffer").Buffer)
|
|
},{"./contract.js":2,"./signing-key.js":3,"./utils.js":4,"buffer":33,"rlp":41}],6:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var elliptic = exports;
|
|
|
|
elliptic.version = require('../package.json').version;
|
|
elliptic.utils = require('./elliptic/utils');
|
|
elliptic.rand = require('brorand');
|
|
elliptic.hmacDRBG = require('./elliptic/hmac-drbg');
|
|
elliptic.curve = require('./elliptic/curve');
|
|
elliptic.curves = require('./elliptic/curves');
|
|
|
|
// Protocols
|
|
elliptic.ec = require('./elliptic/ec');
|
|
elliptic.eddsa = require('./elliptic/eddsa');
|
|
|
|
},{"../package.json":31,"./elliptic/curve":9,"./elliptic/curves":12,"./elliptic/ec":13,"./elliptic/eddsa":16,"./elliptic/hmac-drbg":19,"./elliptic/utils":21,"brorand":23}],7:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var BN = require('bn.js');
|
|
var elliptic = require('../../elliptic');
|
|
var utils = elliptic.utils;
|
|
var getNAF = utils.getNAF;
|
|
var getJSF = utils.getJSF;
|
|
var assert = utils.assert;
|
|
|
|
function BaseCurve(type, conf) {
|
|
this.type = type;
|
|
this.p = new BN(conf.p, 16);
|
|
|
|
// Use Montgomery, when there is no fast reduction for the prime
|
|
this.red = conf.prime ? BN.red(conf.prime) : BN.mont(this.p);
|
|
|
|
// Useful for many curves
|
|
this.zero = new BN(0).toRed(this.red);
|
|
this.one = new BN(1).toRed(this.red);
|
|
this.two = new BN(2).toRed(this.red);
|
|
|
|
// Curve configuration, optional
|
|
this.n = conf.n && new BN(conf.n, 16);
|
|
this.g = conf.g && this.pointFromJSON(conf.g, conf.gRed);
|
|
|
|
// Temporary arrays
|
|
this._wnafT1 = new Array(4);
|
|
this._wnafT2 = new Array(4);
|
|
this._wnafT3 = new Array(4);
|
|
this._wnafT4 = new Array(4);
|
|
|
|
// Generalized Greg Maxwell's trick
|
|
var adjustCount = this.n && this.p.div(this.n);
|
|
if (!adjustCount || adjustCount.cmpn(100) > 0) {
|
|
this.redN = null;
|
|
} else {
|
|
this._maxwellTrick = true;
|
|
this.redN = this.n.toRed(this.red);
|
|
}
|
|
}
|
|
module.exports = BaseCurve;
|
|
|
|
BaseCurve.prototype.point = function point() {
|
|
throw new Error('Not implemented');
|
|
};
|
|
|
|
BaseCurve.prototype.validate = function validate() {
|
|
throw new Error('Not implemented');
|
|
};
|
|
|
|
BaseCurve.prototype._fixedNafMul = function _fixedNafMul(p, k) {
|
|
assert(p.precomputed);
|
|
var doubles = p._getDoubles();
|
|
|
|
var naf = getNAF(k, 1);
|
|
var I = (1 << (doubles.step + 1)) - (doubles.step % 2 === 0 ? 2 : 1);
|
|
I /= 3;
|
|
|
|
// Translate into more windowed form
|
|
var repr = [];
|
|
for (var j = 0; j < naf.length; j += doubles.step) {
|
|
var nafW = 0;
|
|
for (var k = j + doubles.step - 1; k >= j; k--)
|
|
nafW = (nafW << 1) + naf[k];
|
|
repr.push(nafW);
|
|
}
|
|
|
|
var a = this.jpoint(null, null, null);
|
|
var b = this.jpoint(null, null, null);
|
|
for (var i = I; i > 0; i--) {
|
|
for (var j = 0; j < repr.length; j++) {
|
|
var nafW = repr[j];
|
|
if (nafW === i)
|
|
b = b.mixedAdd(doubles.points[j]);
|
|
else if (nafW === -i)
|
|
b = b.mixedAdd(doubles.points[j].neg());
|
|
}
|
|
a = a.add(b);
|
|
}
|
|
return a.toP();
|
|
};
|
|
|
|
BaseCurve.prototype._wnafMul = function _wnafMul(p, k) {
|
|
var w = 4;
|
|
|
|
// Precompute window
|
|
var nafPoints = p._getNAFPoints(w);
|
|
w = nafPoints.wnd;
|
|
var wnd = nafPoints.points;
|
|
|
|
// Get NAF form
|
|
var naf = getNAF(k, w);
|
|
|
|
// Add `this`*(N+1) for every w-NAF index
|
|
var acc = this.jpoint(null, null, null);
|
|
for (var i = naf.length - 1; i >= 0; i--) {
|
|
// Count zeroes
|
|
for (var k = 0; i >= 0 && naf[i] === 0; i--)
|
|
k++;
|
|
if (i >= 0)
|
|
k++;
|
|
acc = acc.dblp(k);
|
|
|
|
if (i < 0)
|
|
break;
|
|
var z = naf[i];
|
|
assert(z !== 0);
|
|
if (p.type === 'affine') {
|
|
// J +- P
|
|
if (z > 0)
|
|
acc = acc.mixedAdd(wnd[(z - 1) >> 1]);
|
|
else
|
|
acc = acc.mixedAdd(wnd[(-z - 1) >> 1].neg());
|
|
} else {
|
|
// J +- J
|
|
if (z > 0)
|
|
acc = acc.add(wnd[(z - 1) >> 1]);
|
|
else
|
|
acc = acc.add(wnd[(-z - 1) >> 1].neg());
|
|
}
|
|
}
|
|
return p.type === 'affine' ? acc.toP() : acc;
|
|
};
|
|
|
|
BaseCurve.prototype._wnafMulAdd = function _wnafMulAdd(defW,
|
|
points,
|
|
coeffs,
|
|
len,
|
|
jacobianResult) {
|
|
var wndWidth = this._wnafT1;
|
|
var wnd = this._wnafT2;
|
|
var naf = this._wnafT3;
|
|
|
|
// Fill all arrays
|
|
var max = 0;
|
|
for (var i = 0; i < len; i++) {
|
|
var p = points[i];
|
|
var nafPoints = p._getNAFPoints(defW);
|
|
wndWidth[i] = nafPoints.wnd;
|
|
wnd[i] = nafPoints.points;
|
|
}
|
|
|
|
// Comb small window NAFs
|
|
for (var i = len - 1; i >= 1; i -= 2) {
|
|
var a = i - 1;
|
|
var b = i;
|
|
if (wndWidth[a] !== 1 || wndWidth[b] !== 1) {
|
|
naf[a] = getNAF(coeffs[a], wndWidth[a]);
|
|
naf[b] = getNAF(coeffs[b], wndWidth[b]);
|
|
max = Math.max(naf[a].length, max);
|
|
max = Math.max(naf[b].length, max);
|
|
continue;
|
|
}
|
|
|
|
var comb = [
|
|
points[a], /* 1 */
|
|
null, /* 3 */
|
|
null, /* 5 */
|
|
points[b] /* 7 */
|
|
];
|
|
|
|
// Try to avoid Projective points, if possible
|
|
if (points[a].y.cmp(points[b].y) === 0) {
|
|
comb[1] = points[a].add(points[b]);
|
|
comb[2] = points[a].toJ().mixedAdd(points[b].neg());
|
|
} else if (points[a].y.cmp(points[b].y.redNeg()) === 0) {
|
|
comb[1] = points[a].toJ().mixedAdd(points[b]);
|
|
comb[2] = points[a].add(points[b].neg());
|
|
} else {
|
|
comb[1] = points[a].toJ().mixedAdd(points[b]);
|
|
comb[2] = points[a].toJ().mixedAdd(points[b].neg());
|
|
}
|
|
|
|
var index = [
|
|
-3, /* -1 -1 */
|
|
-1, /* -1 0 */
|
|
-5, /* -1 1 */
|
|
-7, /* 0 -1 */
|
|
0, /* 0 0 */
|
|
7, /* 0 1 */
|
|
5, /* 1 -1 */
|
|
1, /* 1 0 */
|
|
3 /* 1 1 */
|
|
];
|
|
|
|
var jsf = getJSF(coeffs[a], coeffs[b]);
|
|
max = Math.max(jsf[0].length, max);
|
|
naf[a] = new Array(max);
|
|
naf[b] = new Array(max);
|
|
for (var j = 0; j < max; j++) {
|
|
var ja = jsf[0][j] | 0;
|
|
var jb = jsf[1][j] | 0;
|
|
|
|
naf[a][j] = index[(ja + 1) * 3 + (jb + 1)];
|
|
naf[b][j] = 0;
|
|
wnd[a] = comb;
|
|
}
|
|
}
|
|
|
|
var acc = this.jpoint(null, null, null);
|
|
var tmp = this._wnafT4;
|
|
for (var i = max; i >= 0; i--) {
|
|
var k = 0;
|
|
|
|
while (i >= 0) {
|
|
var zero = true;
|
|
for (var j = 0; j < len; j++) {
|
|
tmp[j] = naf[j][i] | 0;
|
|
if (tmp[j] !== 0)
|
|
zero = false;
|
|
}
|
|
if (!zero)
|
|
break;
|
|
k++;
|
|
i--;
|
|
}
|
|
if (i >= 0)
|
|
k++;
|
|
acc = acc.dblp(k);
|
|
if (i < 0)
|
|
break;
|
|
|
|
for (var j = 0; j < len; j++) {
|
|
var z = tmp[j];
|
|
var p;
|
|
if (z === 0)
|
|
continue;
|
|
else if (z > 0)
|
|
p = wnd[j][(z - 1) >> 1];
|
|
else if (z < 0)
|
|
p = wnd[j][(-z - 1) >> 1].neg();
|
|
|
|
if (p.type === 'affine')
|
|
acc = acc.mixedAdd(p);
|
|
else
|
|
acc = acc.add(p);
|
|
}
|
|
}
|
|
// Zeroify references
|
|
for (var i = 0; i < len; i++)
|
|
wnd[i] = null;
|
|
|
|
if (jacobianResult)
|
|
return acc;
|
|
else
|
|
return acc.toP();
|
|
};
|
|
|
|
function BasePoint(curve, type) {
|
|
this.curve = curve;
|
|
this.type = type;
|
|
this.precomputed = null;
|
|
}
|
|
BaseCurve.BasePoint = BasePoint;
|
|
|
|
BasePoint.prototype.eq = function eq(/*other*/) {
|
|
throw new Error('Not implemented');
|
|
};
|
|
|
|
BasePoint.prototype.validate = function validate() {
|
|
return this.curve.validate(this);
|
|
};
|
|
|
|
BaseCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
|
|
bytes = utils.toArray(bytes, enc);
|
|
|
|
var len = this.p.byteLength();
|
|
|
|
// uncompressed, hybrid-odd, hybrid-even
|
|
if ((bytes[0] === 0x04 || bytes[0] === 0x06 || bytes[0] === 0x07) &&
|
|
bytes.length - 1 === 2 * len) {
|
|
if (bytes[0] === 0x06)
|
|
assert(bytes[bytes.length - 1] % 2 === 0);
|
|
else if (bytes[0] === 0x07)
|
|
assert(bytes[bytes.length - 1] % 2 === 1);
|
|
|
|
var res = this.point(bytes.slice(1, 1 + len),
|
|
bytes.slice(1 + len, 1 + 2 * len));
|
|
|
|
return res;
|
|
} else if ((bytes[0] === 0x02 || bytes[0] === 0x03) &&
|
|
bytes.length - 1 === len) {
|
|
return this.pointFromX(bytes.slice(1, 1 + len), bytes[0] === 0x03);
|
|
}
|
|
throw new Error('Unknown point format');
|
|
};
|
|
|
|
BasePoint.prototype.encodeCompressed = function encodeCompressed(enc) {
|
|
return this.encode(enc, true);
|
|
};
|
|
|
|
BasePoint.prototype._encode = function _encode(compact) {
|
|
var len = this.curve.p.byteLength();
|
|
var x = this.getX().toArray('be', len);
|
|
|
|
if (compact)
|
|
return [ this.getY().isEven() ? 0x02 : 0x03 ].concat(x);
|
|
|
|
return [ 0x04 ].concat(x, this.getY().toArray('be', len)) ;
|
|
};
|
|
|
|
BasePoint.prototype.encode = function encode(enc, compact) {
|
|
return utils.encode(this._encode(compact), enc);
|
|
};
|
|
|
|
BasePoint.prototype.precompute = function precompute(power) {
|
|
if (this.precomputed)
|
|
return this;
|
|
|
|
var precomputed = {
|
|
doubles: null,
|
|
naf: null,
|
|
beta: null
|
|
};
|
|
precomputed.naf = this._getNAFPoints(8);
|
|
precomputed.doubles = this._getDoubles(4, power);
|
|
precomputed.beta = this._getBeta();
|
|
this.precomputed = precomputed;
|
|
|
|
return this;
|
|
};
|
|
|
|
BasePoint.prototype._hasDoubles = function _hasDoubles(k) {
|
|
if (!this.precomputed)
|
|
return false;
|
|
|
|
var doubles = this.precomputed.doubles;
|
|
if (!doubles)
|
|
return false;
|
|
|
|
return doubles.points.length >= Math.ceil((k.bitLength() + 1) / doubles.step);
|
|
};
|
|
|
|
BasePoint.prototype._getDoubles = function _getDoubles(step, power) {
|
|
if (this.precomputed && this.precomputed.doubles)
|
|
return this.precomputed.doubles;
|
|
|
|
var doubles = [ this ];
|
|
var acc = this;
|
|
for (var i = 0; i < power; i += step) {
|
|
for (var j = 0; j < step; j++)
|
|
acc = acc.dbl();
|
|
doubles.push(acc);
|
|
}
|
|
return {
|
|
step: step,
|
|
points: doubles
|
|
};
|
|
};
|
|
|
|
BasePoint.prototype._getNAFPoints = function _getNAFPoints(wnd) {
|
|
if (this.precomputed && this.precomputed.naf)
|
|
return this.precomputed.naf;
|
|
|
|
var res = [ this ];
|
|
var max = (1 << wnd) - 1;
|
|
var dbl = max === 1 ? null : this.dbl();
|
|
for (var i = 1; i < max; i++)
|
|
res[i] = res[i - 1].add(dbl);
|
|
return {
|
|
wnd: wnd,
|
|
points: res
|
|
};
|
|
};
|
|
|
|
BasePoint.prototype._getBeta = function _getBeta() {
|
|
return null;
|
|
};
|
|
|
|
BasePoint.prototype.dblp = function dblp(k) {
|
|
var r = this;
|
|
for (var i = 0; i < k; i++)
|
|
r = r.dbl();
|
|
return r;
|
|
};
|
|
|
|
},{"../../elliptic":6,"bn.js":22}],8:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var curve = require('../curve');
|
|
var elliptic = require('../../elliptic');
|
|
var BN = require('bn.js');
|
|
var inherits = require('inherits');
|
|
var Base = curve.base;
|
|
|
|
var assert = elliptic.utils.assert;
|
|
|
|
function EdwardsCurve(conf) {
|
|
// NOTE: Important as we are creating point in Base.call()
|
|
this.twisted = (conf.a | 0) !== 1;
|
|
this.mOneA = this.twisted && (conf.a | 0) === -1;
|
|
this.extended = this.mOneA;
|
|
|
|
Base.call(this, 'edwards', conf);
|
|
|
|
this.a = new BN(conf.a, 16).umod(this.red.m);
|
|
this.a = this.a.toRed(this.red);
|
|
this.c = new BN(conf.c, 16).toRed(this.red);
|
|
this.c2 = this.c.redSqr();
|
|
this.d = new BN(conf.d, 16).toRed(this.red);
|
|
this.dd = this.d.redAdd(this.d);
|
|
|
|
assert(!this.twisted || this.c.fromRed().cmpn(1) === 0);
|
|
this.oneC = (conf.c | 0) === 1;
|
|
}
|
|
inherits(EdwardsCurve, Base);
|
|
module.exports = EdwardsCurve;
|
|
|
|
EdwardsCurve.prototype._mulA = function _mulA(num) {
|
|
if (this.mOneA)
|
|
return num.redNeg();
|
|
else
|
|
return this.a.redMul(num);
|
|
};
|
|
|
|
EdwardsCurve.prototype._mulC = function _mulC(num) {
|
|
if (this.oneC)
|
|
return num;
|
|
else
|
|
return this.c.redMul(num);
|
|
};
|
|
|
|
// Just for compatibility with Short curve
|
|
EdwardsCurve.prototype.jpoint = function jpoint(x, y, z, t) {
|
|
return this.point(x, y, z, t);
|
|
};
|
|
|
|
EdwardsCurve.prototype.pointFromX = function pointFromX(x, odd) {
|
|
x = new BN(x, 16);
|
|
if (!x.red)
|
|
x = x.toRed(this.red);
|
|
|
|
var x2 = x.redSqr();
|
|
var rhs = this.c2.redSub(this.a.redMul(x2));
|
|
var lhs = this.one.redSub(this.c2.redMul(this.d).redMul(x2));
|
|
|
|
var y2 = rhs.redMul(lhs.redInvm());
|
|
var y = y2.redSqrt();
|
|
if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
|
|
throw new Error('invalid point');
|
|
|
|
var isOdd = y.fromRed().isOdd();
|
|
if (odd && !isOdd || !odd && isOdd)
|
|
y = y.redNeg();
|
|
|
|
return this.point(x, y);
|
|
};
|
|
|
|
EdwardsCurve.prototype.pointFromY = function pointFromY(y, odd) {
|
|
y = new BN(y, 16);
|
|
if (!y.red)
|
|
y = y.toRed(this.red);
|
|
|
|
// x^2 = (y^2 - 1) / (d y^2 + 1)
|
|
var y2 = y.redSqr();
|
|
var lhs = y2.redSub(this.one);
|
|
var rhs = y2.redMul(this.d).redAdd(this.one);
|
|
var x2 = lhs.redMul(rhs.redInvm());
|
|
|
|
if (x2.cmp(this.zero) === 0) {
|
|
if (odd)
|
|
throw new Error('invalid point');
|
|
else
|
|
return this.point(this.zero, y);
|
|
}
|
|
|
|
var x = x2.redSqrt();
|
|
if (x.redSqr().redSub(x2).cmp(this.zero) !== 0)
|
|
throw new Error('invalid point');
|
|
|
|
if (x.isOdd() !== odd)
|
|
x = x.redNeg();
|
|
|
|
return this.point(x, y);
|
|
};
|
|
|
|
EdwardsCurve.prototype.validate = function validate(point) {
|
|
if (point.isInfinity())
|
|
return true;
|
|
|
|
// Curve: A * X^2 + Y^2 = C^2 * (1 + D * X^2 * Y^2)
|
|
point.normalize();
|
|
|
|
var x2 = point.x.redSqr();
|
|
var y2 = point.y.redSqr();
|
|
var lhs = x2.redMul(this.a).redAdd(y2);
|
|
var rhs = this.c2.redMul(this.one.redAdd(this.d.redMul(x2).redMul(y2)));
|
|
|
|
return lhs.cmp(rhs) === 0;
|
|
};
|
|
|
|
function Point(curve, x, y, z, t) {
|
|
Base.BasePoint.call(this, curve, 'projective');
|
|
if (x === null && y === null && z === null) {
|
|
this.x = this.curve.zero;
|
|
this.y = this.curve.one;
|
|
this.z = this.curve.one;
|
|
this.t = this.curve.zero;
|
|
this.zOne = true;
|
|
} else {
|
|
this.x = new BN(x, 16);
|
|
this.y = new BN(y, 16);
|
|
this.z = z ? new BN(z, 16) : this.curve.one;
|
|
this.t = t && new BN(t, 16);
|
|
if (!this.x.red)
|
|
this.x = this.x.toRed(this.curve.red);
|
|
if (!this.y.red)
|
|
this.y = this.y.toRed(this.curve.red);
|
|
if (!this.z.red)
|
|
this.z = this.z.toRed(this.curve.red);
|
|
if (this.t && !this.t.red)
|
|
this.t = this.t.toRed(this.curve.red);
|
|
this.zOne = this.z === this.curve.one;
|
|
|
|
// Use extended coordinates
|
|
if (this.curve.extended && !this.t) {
|
|
this.t = this.x.redMul(this.y);
|
|
if (!this.zOne)
|
|
this.t = this.t.redMul(this.z.redInvm());
|
|
}
|
|
}
|
|
}
|
|
inherits(Point, Base.BasePoint);
|
|
|
|
EdwardsCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
|
|
return Point.fromJSON(this, obj);
|
|
};
|
|
|
|
EdwardsCurve.prototype.point = function point(x, y, z, t) {
|
|
return new Point(this, x, y, z, t);
|
|
};
|
|
|
|
Point.fromJSON = function fromJSON(curve, obj) {
|
|
return new Point(curve, obj[0], obj[1], obj[2]);
|
|
};
|
|
|
|
Point.prototype.inspect = function inspect() {
|
|
if (this.isInfinity())
|
|
return '<EC Point Infinity>';
|
|
return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
|
|
' y: ' + this.y.fromRed().toString(16, 2) +
|
|
' z: ' + this.z.fromRed().toString(16, 2) + '>';
|
|
};
|
|
|
|
Point.prototype.isInfinity = function isInfinity() {
|
|
// XXX This code assumes that zero is always zero in red
|
|
return this.x.cmpn(0) === 0 &&
|
|
this.y.cmp(this.z) === 0;
|
|
};
|
|
|
|
Point.prototype._extDbl = function _extDbl() {
|
|
// hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
|
|
// #doubling-dbl-2008-hwcd
|
|
// 4M + 4S
|
|
|
|
// A = X1^2
|
|
var a = this.x.redSqr();
|
|
// B = Y1^2
|
|
var b = this.y.redSqr();
|
|
// C = 2 * Z1^2
|
|
var c = this.z.redSqr();
|
|
c = c.redIAdd(c);
|
|
// D = a * A
|
|
var d = this.curve._mulA(a);
|
|
// E = (X1 + Y1)^2 - A - B
|
|
var e = this.x.redAdd(this.y).redSqr().redISub(a).redISub(b);
|
|
// G = D + B
|
|
var g = d.redAdd(b);
|
|
// F = G - C
|
|
var f = g.redSub(c);
|
|
// H = D - B
|
|
var h = d.redSub(b);
|
|
// X3 = E * F
|
|
var nx = e.redMul(f);
|
|
// Y3 = G * H
|
|
var ny = g.redMul(h);
|
|
// T3 = E * H
|
|
var nt = e.redMul(h);
|
|
// Z3 = F * G
|
|
var nz = f.redMul(g);
|
|
return this.curve.point(nx, ny, nz, nt);
|
|
};
|
|
|
|
Point.prototype._projDbl = function _projDbl() {
|
|
// hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
|
|
// #doubling-dbl-2008-bbjlp
|
|
// #doubling-dbl-2007-bl
|
|
// and others
|
|
// Generally 3M + 4S or 2M + 4S
|
|
|
|
// B = (X1 + Y1)^2
|
|
var b = this.x.redAdd(this.y).redSqr();
|
|
// C = X1^2
|
|
var c = this.x.redSqr();
|
|
// D = Y1^2
|
|
var d = this.y.redSqr();
|
|
|
|
var nx;
|
|
var ny;
|
|
var nz;
|
|
if (this.curve.twisted) {
|
|
// E = a * C
|
|
var e = this.curve._mulA(c);
|
|
// F = E + D
|
|
var f = e.redAdd(d);
|
|
if (this.zOne) {
|
|
// X3 = (B - C - D) * (F - 2)
|
|
nx = b.redSub(c).redSub(d).redMul(f.redSub(this.curve.two));
|
|
// Y3 = F * (E - D)
|
|
ny = f.redMul(e.redSub(d));
|
|
// Z3 = F^2 - 2 * F
|
|
nz = f.redSqr().redSub(f).redSub(f);
|
|
} else {
|
|
// H = Z1^2
|
|
var h = this.z.redSqr();
|
|
// J = F - 2 * H
|
|
var j = f.redSub(h).redISub(h);
|
|
// X3 = (B-C-D)*J
|
|
nx = b.redSub(c).redISub(d).redMul(j);
|
|
// Y3 = F * (E - D)
|
|
ny = f.redMul(e.redSub(d));
|
|
// Z3 = F * J
|
|
nz = f.redMul(j);
|
|
}
|
|
} else {
|
|
// E = C + D
|
|
var e = c.redAdd(d);
|
|
// H = (c * Z1)^2
|
|
var h = this.curve._mulC(this.c.redMul(this.z)).redSqr();
|
|
// J = E - 2 * H
|
|
var j = e.redSub(h).redSub(h);
|
|
// X3 = c * (B - E) * J
|
|
nx = this.curve._mulC(b.redISub(e)).redMul(j);
|
|
// Y3 = c * E * (C - D)
|
|
ny = this.curve._mulC(e).redMul(c.redISub(d));
|
|
// Z3 = E * J
|
|
nz = e.redMul(j);
|
|
}
|
|
return this.curve.point(nx, ny, nz);
|
|
};
|
|
|
|
Point.prototype.dbl = function dbl() {
|
|
if (this.isInfinity())
|
|
return this;
|
|
|
|
// Double in extended coordinates
|
|
if (this.curve.extended)
|
|
return this._extDbl();
|
|
else
|
|
return this._projDbl();
|
|
};
|
|
|
|
Point.prototype._extAdd = function _extAdd(p) {
|
|
// hyperelliptic.org/EFD/g1p/auto-twisted-extended-1.html
|
|
// #addition-add-2008-hwcd-3
|
|
// 8M
|
|
|
|
// A = (Y1 - X1) * (Y2 - X2)
|
|
var a = this.y.redSub(this.x).redMul(p.y.redSub(p.x));
|
|
// B = (Y1 + X1) * (Y2 + X2)
|
|
var b = this.y.redAdd(this.x).redMul(p.y.redAdd(p.x));
|
|
// C = T1 * k * T2
|
|
var c = this.t.redMul(this.curve.dd).redMul(p.t);
|
|
// D = Z1 * 2 * Z2
|
|
var d = this.z.redMul(p.z.redAdd(p.z));
|
|
// E = B - A
|
|
var e = b.redSub(a);
|
|
// F = D - C
|
|
var f = d.redSub(c);
|
|
// G = D + C
|
|
var g = d.redAdd(c);
|
|
// H = B + A
|
|
var h = b.redAdd(a);
|
|
// X3 = E * F
|
|
var nx = e.redMul(f);
|
|
// Y3 = G * H
|
|
var ny = g.redMul(h);
|
|
// T3 = E * H
|
|
var nt = e.redMul(h);
|
|
// Z3 = F * G
|
|
var nz = f.redMul(g);
|
|
return this.curve.point(nx, ny, nz, nt);
|
|
};
|
|
|
|
Point.prototype._projAdd = function _projAdd(p) {
|
|
// hyperelliptic.org/EFD/g1p/auto-twisted-projective.html
|
|
// #addition-add-2008-bbjlp
|
|
// #addition-add-2007-bl
|
|
// 10M + 1S
|
|
|
|
// A = Z1 * Z2
|
|
var a = this.z.redMul(p.z);
|
|
// B = A^2
|
|
var b = a.redSqr();
|
|
// C = X1 * X2
|
|
var c = this.x.redMul(p.x);
|
|
// D = Y1 * Y2
|
|
var d = this.y.redMul(p.y);
|
|
// E = d * C * D
|
|
var e = this.curve.d.redMul(c).redMul(d);
|
|
// F = B - E
|
|
var f = b.redSub(e);
|
|
// G = B + E
|
|
var g = b.redAdd(e);
|
|
// X3 = A * F * ((X1 + Y1) * (X2 + Y2) - C - D)
|
|
var tmp = this.x.redAdd(this.y).redMul(p.x.redAdd(p.y)).redISub(c).redISub(d);
|
|
var nx = a.redMul(f).redMul(tmp);
|
|
var ny;
|
|
var nz;
|
|
if (this.curve.twisted) {
|
|
// Y3 = A * G * (D - a * C)
|
|
ny = a.redMul(g).redMul(d.redSub(this.curve._mulA(c)));
|
|
// Z3 = F * G
|
|
nz = f.redMul(g);
|
|
} else {
|
|
// Y3 = A * G * (D - C)
|
|
ny = a.redMul(g).redMul(d.redSub(c));
|
|
// Z3 = c * F * G
|
|
nz = this.curve._mulC(f).redMul(g);
|
|
}
|
|
return this.curve.point(nx, ny, nz);
|
|
};
|
|
|
|
Point.prototype.add = function add(p) {
|
|
if (this.isInfinity())
|
|
return p;
|
|
if (p.isInfinity())
|
|
return this;
|
|
|
|
if (this.curve.extended)
|
|
return this._extAdd(p);
|
|
else
|
|
return this._projAdd(p);
|
|
};
|
|
|
|
Point.prototype.mul = function mul(k) {
|
|
if (this._hasDoubles(k))
|
|
return this.curve._fixedNafMul(this, k);
|
|
else
|
|
return this.curve._wnafMul(this, k);
|
|
};
|
|
|
|
Point.prototype.mulAdd = function mulAdd(k1, p, k2) {
|
|
return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, false);
|
|
};
|
|
|
|
Point.prototype.jmulAdd = function jmulAdd(k1, p, k2) {
|
|
return this.curve._wnafMulAdd(1, [ this, p ], [ k1, k2 ], 2, true);
|
|
};
|
|
|
|
Point.prototype.normalize = function normalize() {
|
|
if (this.zOne)
|
|
return this;
|
|
|
|
// Normalize coordinates
|
|
var zi = this.z.redInvm();
|
|
this.x = this.x.redMul(zi);
|
|
this.y = this.y.redMul(zi);
|
|
if (this.t)
|
|
this.t = this.t.redMul(zi);
|
|
this.z = this.curve.one;
|
|
this.zOne = true;
|
|
return this;
|
|
};
|
|
|
|
Point.prototype.neg = function neg() {
|
|
return this.curve.point(this.x.redNeg(),
|
|
this.y,
|
|
this.z,
|
|
this.t && this.t.redNeg());
|
|
};
|
|
|
|
Point.prototype.getX = function getX() {
|
|
this.normalize();
|
|
return this.x.fromRed();
|
|
};
|
|
|
|
Point.prototype.getY = function getY() {
|
|
this.normalize();
|
|
return this.y.fromRed();
|
|
};
|
|
|
|
Point.prototype.eq = function eq(other) {
|
|
return this === other ||
|
|
this.getX().cmp(other.getX()) === 0 &&
|
|
this.getY().cmp(other.getY()) === 0;
|
|
};
|
|
|
|
Point.prototype.eqXToP = function eqXToP(x) {
|
|
var rx = x.toRed(this.curve.red).redMul(this.z);
|
|
if (this.x.cmp(rx) === 0)
|
|
return true;
|
|
|
|
var xc = x.clone();
|
|
var t = this.curve.redN.redMul(this.z);
|
|
for (;;) {
|
|
xc.iadd(this.curve.n);
|
|
if (xc.cmp(this.curve.p) >= 0)
|
|
return false;
|
|
|
|
rx.redIAdd(t);
|
|
if (this.x.cmp(rx) === 0)
|
|
return true;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
// Compatibility with BaseCurve
|
|
Point.prototype.toP = Point.prototype.normalize;
|
|
Point.prototype.mixedAdd = Point.prototype.add;
|
|
|
|
},{"../../elliptic":6,"../curve":9,"bn.js":22,"inherits":30}],9:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var curve = exports;
|
|
|
|
curve.base = require('./base');
|
|
curve.short = require('./short');
|
|
curve.mont = require('./mont');
|
|
curve.edwards = require('./edwards');
|
|
|
|
},{"./base":7,"./edwards":8,"./mont":10,"./short":11}],10:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var curve = require('../curve');
|
|
var BN = require('bn.js');
|
|
var inherits = require('inherits');
|
|
var Base = curve.base;
|
|
|
|
var elliptic = require('../../elliptic');
|
|
var utils = elliptic.utils;
|
|
|
|
function MontCurve(conf) {
|
|
Base.call(this, 'mont', conf);
|
|
|
|
this.a = new BN(conf.a, 16).toRed(this.red);
|
|
this.b = new BN(conf.b, 16).toRed(this.red);
|
|
this.i4 = new BN(4).toRed(this.red).redInvm();
|
|
this.two = new BN(2).toRed(this.red);
|
|
this.a24 = this.i4.redMul(this.a.redAdd(this.two));
|
|
}
|
|
inherits(MontCurve, Base);
|
|
module.exports = MontCurve;
|
|
|
|
MontCurve.prototype.validate = function validate(point) {
|
|
var x = point.normalize().x;
|
|
var x2 = x.redSqr();
|
|
var rhs = x2.redMul(x).redAdd(x2.redMul(this.a)).redAdd(x);
|
|
var y = rhs.redSqrt();
|
|
|
|
return y.redSqr().cmp(rhs) === 0;
|
|
};
|
|
|
|
function Point(curve, x, z) {
|
|
Base.BasePoint.call(this, curve, 'projective');
|
|
if (x === null && z === null) {
|
|
this.x = this.curve.one;
|
|
this.z = this.curve.zero;
|
|
} else {
|
|
this.x = new BN(x, 16);
|
|
this.z = new BN(z, 16);
|
|
if (!this.x.red)
|
|
this.x = this.x.toRed(this.curve.red);
|
|
if (!this.z.red)
|
|
this.z = this.z.toRed(this.curve.red);
|
|
}
|
|
}
|
|
inherits(Point, Base.BasePoint);
|
|
|
|
MontCurve.prototype.decodePoint = function decodePoint(bytes, enc) {
|
|
return this.point(utils.toArray(bytes, enc), 1);
|
|
};
|
|
|
|
MontCurve.prototype.point = function point(x, z) {
|
|
return new Point(this, x, z);
|
|
};
|
|
|
|
MontCurve.prototype.pointFromJSON = function pointFromJSON(obj) {
|
|
return Point.fromJSON(this, obj);
|
|
};
|
|
|
|
Point.prototype.precompute = function precompute() {
|
|
// No-op
|
|
};
|
|
|
|
Point.prototype._encode = function _encode() {
|
|
return this.getX().toArray('be', this.curve.p.byteLength());
|
|
};
|
|
|
|
Point.fromJSON = function fromJSON(curve, obj) {
|
|
return new Point(curve, obj[0], obj[1] || curve.one);
|
|
};
|
|
|
|
Point.prototype.inspect = function inspect() {
|
|
if (this.isInfinity())
|
|
return '<EC Point Infinity>';
|
|
return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
|
|
' z: ' + this.z.fromRed().toString(16, 2) + '>';
|
|
};
|
|
|
|
Point.prototype.isInfinity = function isInfinity() {
|
|
// XXX This code assumes that zero is always zero in red
|
|
return this.z.cmpn(0) === 0;
|
|
};
|
|
|
|
Point.prototype.dbl = function dbl() {
|
|
// http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#doubling-dbl-1987-m-3
|
|
// 2M + 2S + 4A
|
|
|
|
// A = X1 + Z1
|
|
var a = this.x.redAdd(this.z);
|
|
// AA = A^2
|
|
var aa = a.redSqr();
|
|
// B = X1 - Z1
|
|
var b = this.x.redSub(this.z);
|
|
// BB = B^2
|
|
var bb = b.redSqr();
|
|
// C = AA - BB
|
|
var c = aa.redSub(bb);
|
|
// X3 = AA * BB
|
|
var nx = aa.redMul(bb);
|
|
// Z3 = C * (BB + A24 * C)
|
|
var nz = c.redMul(bb.redAdd(this.curve.a24.redMul(c)));
|
|
return this.curve.point(nx, nz);
|
|
};
|
|
|
|
Point.prototype.add = function add() {
|
|
throw new Error('Not supported on Montgomery curve');
|
|
};
|
|
|
|
Point.prototype.diffAdd = function diffAdd(p, diff) {
|
|
// http://hyperelliptic.org/EFD/g1p/auto-montgom-xz.html#diffadd-dadd-1987-m-3
|
|
// 4M + 2S + 6A
|
|
|
|
// A = X2 + Z2
|
|
var a = this.x.redAdd(this.z);
|
|
// B = X2 - Z2
|
|
var b = this.x.redSub(this.z);
|
|
// C = X3 + Z3
|
|
var c = p.x.redAdd(p.z);
|
|
// D = X3 - Z3
|
|
var d = p.x.redSub(p.z);
|
|
// DA = D * A
|
|
var da = d.redMul(a);
|
|
// CB = C * B
|
|
var cb = c.redMul(b);
|
|
// X5 = Z1 * (DA + CB)^2
|
|
var nx = diff.z.redMul(da.redAdd(cb).redSqr());
|
|
// Z5 = X1 * (DA - CB)^2
|
|
var nz = diff.x.redMul(da.redISub(cb).redSqr());
|
|
return this.curve.point(nx, nz);
|
|
};
|
|
|
|
Point.prototype.mul = function mul(k) {
|
|
var t = k.clone();
|
|
var a = this; // (N / 2) * Q + Q
|
|
var b = this.curve.point(null, null); // (N / 2) * Q
|
|
var c = this; // Q
|
|
|
|
for (var bits = []; t.cmpn(0) !== 0; t.iushrn(1))
|
|
bits.push(t.andln(1));
|
|
|
|
for (var i = bits.length - 1; i >= 0; i--) {
|
|
if (bits[i] === 0) {
|
|
// N * Q + Q = ((N / 2) * Q + Q)) + (N / 2) * Q
|
|
a = a.diffAdd(b, c);
|
|
// N * Q = 2 * ((N / 2) * Q + Q))
|
|
b = b.dbl();
|
|
} else {
|
|
// N * Q = ((N / 2) * Q + Q) + ((N / 2) * Q)
|
|
b = a.diffAdd(b, c);
|
|
// N * Q + Q = 2 * ((N / 2) * Q + Q)
|
|
a = a.dbl();
|
|
}
|
|
}
|
|
return b;
|
|
};
|
|
|
|
Point.prototype.mulAdd = function mulAdd() {
|
|
throw new Error('Not supported on Montgomery curve');
|
|
};
|
|
|
|
Point.prototype.jumlAdd = function jumlAdd() {
|
|
throw new Error('Not supported on Montgomery curve');
|
|
};
|
|
|
|
Point.prototype.eq = function eq(other) {
|
|
return this.getX().cmp(other.getX()) === 0;
|
|
};
|
|
|
|
Point.prototype.normalize = function normalize() {
|
|
this.x = this.x.redMul(this.z.redInvm());
|
|
this.z = this.curve.one;
|
|
return this;
|
|
};
|
|
|
|
Point.prototype.getX = function getX() {
|
|
// Normalize coordinates
|
|
this.normalize();
|
|
|
|
return this.x.fromRed();
|
|
};
|
|
|
|
},{"../../elliptic":6,"../curve":9,"bn.js":22,"inherits":30}],11:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var curve = require('../curve');
|
|
var elliptic = require('../../elliptic');
|
|
var BN = require('bn.js');
|
|
var inherits = require('inherits');
|
|
var Base = curve.base;
|
|
|
|
var assert = elliptic.utils.assert;
|
|
|
|
function ShortCurve(conf) {
|
|
Base.call(this, 'short', conf);
|
|
|
|
this.a = new BN(conf.a, 16).toRed(this.red);
|
|
this.b = new BN(conf.b, 16).toRed(this.red);
|
|
this.tinv = this.two.redInvm();
|
|
|
|
this.zeroA = this.a.fromRed().cmpn(0) === 0;
|
|
this.threeA = this.a.fromRed().sub(this.p).cmpn(-3) === 0;
|
|
|
|
// If the curve is endomorphic, precalculate beta and lambda
|
|
this.endo = this._getEndomorphism(conf);
|
|
this._endoWnafT1 = new Array(4);
|
|
this._endoWnafT2 = new Array(4);
|
|
}
|
|
inherits(ShortCurve, Base);
|
|
module.exports = ShortCurve;
|
|
|
|
ShortCurve.prototype._getEndomorphism = function _getEndomorphism(conf) {
|
|
// No efficient endomorphism
|
|
if (!this.zeroA || !this.g || !this.n || this.p.modn(3) !== 1)
|
|
return;
|
|
|
|
// Compute beta and lambda, that lambda * P = (beta * Px; Py)
|
|
var beta;
|
|
var lambda;
|
|
if (conf.beta) {
|
|
beta = new BN(conf.beta, 16).toRed(this.red);
|
|
} else {
|
|
var betas = this._getEndoRoots(this.p);
|
|
// Choose the smallest beta
|
|
beta = betas[0].cmp(betas[1]) < 0 ? betas[0] : betas[1];
|
|
beta = beta.toRed(this.red);
|
|
}
|
|
if (conf.lambda) {
|
|
lambda = new BN(conf.lambda, 16);
|
|
} else {
|
|
// Choose the lambda that is matching selected beta
|
|
var lambdas = this._getEndoRoots(this.n);
|
|
if (this.g.mul(lambdas[0]).x.cmp(this.g.x.redMul(beta)) === 0) {
|
|
lambda = lambdas[0];
|
|
} else {
|
|
lambda = lambdas[1];
|
|
assert(this.g.mul(lambda).x.cmp(this.g.x.redMul(beta)) === 0);
|
|
}
|
|
}
|
|
|
|
// Get basis vectors, used for balanced length-two representation
|
|
var basis;
|
|
if (conf.basis) {
|
|
basis = conf.basis.map(function(vec) {
|
|
return {
|
|
a: new BN(vec.a, 16),
|
|
b: new BN(vec.b, 16)
|
|
};
|
|
});
|
|
} else {
|
|
basis = this._getEndoBasis(lambda);
|
|
}
|
|
|
|
return {
|
|
beta: beta,
|
|
lambda: lambda,
|
|
basis: basis
|
|
};
|
|
};
|
|
|
|
ShortCurve.prototype._getEndoRoots = function _getEndoRoots(num) {
|
|
// Find roots of for x^2 + x + 1 in F
|
|
// Root = (-1 +- Sqrt(-3)) / 2
|
|
//
|
|
var red = num === this.p ? this.red : BN.mont(num);
|
|
var tinv = new BN(2).toRed(red).redInvm();
|
|
var ntinv = tinv.redNeg();
|
|
|
|
var s = new BN(3).toRed(red).redNeg().redSqrt().redMul(tinv);
|
|
|
|
var l1 = ntinv.redAdd(s).fromRed();
|
|
var l2 = ntinv.redSub(s).fromRed();
|
|
return [ l1, l2 ];
|
|
};
|
|
|
|
ShortCurve.prototype._getEndoBasis = function _getEndoBasis(lambda) {
|
|
// aprxSqrt >= sqrt(this.n)
|
|
var aprxSqrt = this.n.ushrn(Math.floor(this.n.bitLength() / 2));
|
|
|
|
// 3.74
|
|
// Run EGCD, until r(L + 1) < aprxSqrt
|
|
var u = lambda;
|
|
var v = this.n.clone();
|
|
var x1 = new BN(1);
|
|
var y1 = new BN(0);
|
|
var x2 = new BN(0);
|
|
var y2 = new BN(1);
|
|
|
|
// NOTE: all vectors are roots of: a + b * lambda = 0 (mod n)
|
|
var a0;
|
|
var b0;
|
|
// First vector
|
|
var a1;
|
|
var b1;
|
|
// Second vector
|
|
var a2;
|
|
var b2;
|
|
|
|
var prevR;
|
|
var i = 0;
|
|
var r;
|
|
var x;
|
|
while (u.cmpn(0) !== 0) {
|
|
var q = v.div(u);
|
|
r = v.sub(q.mul(u));
|
|
x = x2.sub(q.mul(x1));
|
|
var y = y2.sub(q.mul(y1));
|
|
|
|
if (!a1 && r.cmp(aprxSqrt) < 0) {
|
|
a0 = prevR.neg();
|
|
b0 = x1;
|
|
a1 = r.neg();
|
|
b1 = x;
|
|
} else if (a1 && ++i === 2) {
|
|
break;
|
|
}
|
|
prevR = r;
|
|
|
|
v = u;
|
|
u = r;
|
|
x2 = x1;
|
|
x1 = x;
|
|
y2 = y1;
|
|
y1 = y;
|
|
}
|
|
a2 = r.neg();
|
|
b2 = x;
|
|
|
|
var len1 = a1.sqr().add(b1.sqr());
|
|
var len2 = a2.sqr().add(b2.sqr());
|
|
if (len2.cmp(len1) >= 0) {
|
|
a2 = a0;
|
|
b2 = b0;
|
|
}
|
|
|
|
// Normalize signs
|
|
if (a1.negative) {
|
|
a1 = a1.neg();
|
|
b1 = b1.neg();
|
|
}
|
|
if (a2.negative) {
|
|
a2 = a2.neg();
|
|
b2 = b2.neg();
|
|
}
|
|
|
|
return [
|
|
{ a: a1, b: b1 },
|
|
{ a: a2, b: b2 }
|
|
];
|
|
};
|
|
|
|
ShortCurve.prototype._endoSplit = function _endoSplit(k) {
|
|
var basis = this.endo.basis;
|
|
var v1 = basis[0];
|
|
var v2 = basis[1];
|
|
|
|
var c1 = v2.b.mul(k).divRound(this.n);
|
|
var c2 = v1.b.neg().mul(k).divRound(this.n);
|
|
|
|
var p1 = c1.mul(v1.a);
|
|
var p2 = c2.mul(v2.a);
|
|
var q1 = c1.mul(v1.b);
|
|
var q2 = c2.mul(v2.b);
|
|
|
|
// Calculate answer
|
|
var k1 = k.sub(p1).sub(p2);
|
|
var k2 = q1.add(q2).neg();
|
|
return { k1: k1, k2: k2 };
|
|
};
|
|
|
|
ShortCurve.prototype.pointFromX = function pointFromX(x, odd) {
|
|
x = new BN(x, 16);
|
|
if (!x.red)
|
|
x = x.toRed(this.red);
|
|
|
|
var y2 = x.redSqr().redMul(x).redIAdd(x.redMul(this.a)).redIAdd(this.b);
|
|
var y = y2.redSqrt();
|
|
if (y.redSqr().redSub(y2).cmp(this.zero) !== 0)
|
|
throw new Error('invalid point');
|
|
|
|
// XXX Is there any way to tell if the number is odd without converting it
|
|
// to non-red form?
|
|
var isOdd = y.fromRed().isOdd();
|
|
if (odd && !isOdd || !odd && isOdd)
|
|
y = y.redNeg();
|
|
|
|
return this.point(x, y);
|
|
};
|
|
|
|
ShortCurve.prototype.validate = function validate(point) {
|
|
if (point.inf)
|
|
return true;
|
|
|
|
var x = point.x;
|
|
var y = point.y;
|
|
|
|
var ax = this.a.redMul(x);
|
|
var rhs = x.redSqr().redMul(x).redIAdd(ax).redIAdd(this.b);
|
|
return y.redSqr().redISub(rhs).cmpn(0) === 0;
|
|
};
|
|
|
|
ShortCurve.prototype._endoWnafMulAdd =
|
|
function _endoWnafMulAdd(points, coeffs, jacobianResult) {
|
|
var npoints = this._endoWnafT1;
|
|
var ncoeffs = this._endoWnafT2;
|
|
for (var i = 0; i < points.length; i++) {
|
|
var split = this._endoSplit(coeffs[i]);
|
|
var p = points[i];
|
|
var beta = p._getBeta();
|
|
|
|
if (split.k1.negative) {
|
|
split.k1.ineg();
|
|
p = p.neg(true);
|
|
}
|
|
if (split.k2.negative) {
|
|
split.k2.ineg();
|
|
beta = beta.neg(true);
|
|
}
|
|
|
|
npoints[i * 2] = p;
|
|
npoints[i * 2 + 1] = beta;
|
|
ncoeffs[i * 2] = split.k1;
|
|
ncoeffs[i * 2 + 1] = split.k2;
|
|
}
|
|
var res = this._wnafMulAdd(1, npoints, ncoeffs, i * 2, jacobianResult);
|
|
|
|
// Clean-up references to points and coefficients
|
|
for (var j = 0; j < i * 2; j++) {
|
|
npoints[j] = null;
|
|
ncoeffs[j] = null;
|
|
}
|
|
return res;
|
|
};
|
|
|
|
function Point(curve, x, y, isRed) {
|
|
Base.BasePoint.call(this, curve, 'affine');
|
|
if (x === null && y === null) {
|
|
this.x = null;
|
|
this.y = null;
|
|
this.inf = true;
|
|
} else {
|
|
this.x = new BN(x, 16);
|
|
this.y = new BN(y, 16);
|
|
// Force redgomery representation when loading from JSON
|
|
if (isRed) {
|
|
this.x.forceRed(this.curve.red);
|
|
this.y.forceRed(this.curve.red);
|
|
}
|
|
if (!this.x.red)
|
|
this.x = this.x.toRed(this.curve.red);
|
|
if (!this.y.red)
|
|
this.y = this.y.toRed(this.curve.red);
|
|
this.inf = false;
|
|
}
|
|
}
|
|
inherits(Point, Base.BasePoint);
|
|
|
|
ShortCurve.prototype.point = function point(x, y, isRed) {
|
|
return new Point(this, x, y, isRed);
|
|
};
|
|
|
|
ShortCurve.prototype.pointFromJSON = function pointFromJSON(obj, red) {
|
|
return Point.fromJSON(this, obj, red);
|
|
};
|
|
|
|
Point.prototype._getBeta = function _getBeta() {
|
|
if (!this.curve.endo)
|
|
return;
|
|
|
|
var pre = this.precomputed;
|
|
if (pre && pre.beta)
|
|
return pre.beta;
|
|
|
|
var beta = this.curve.point(this.x.redMul(this.curve.endo.beta), this.y);
|
|
if (pre) {
|
|
var curve = this.curve;
|
|
var endoMul = function(p) {
|
|
return curve.point(p.x.redMul(curve.endo.beta), p.y);
|
|
};
|
|
pre.beta = beta;
|
|
beta.precomputed = {
|
|
beta: null,
|
|
naf: pre.naf && {
|
|
wnd: pre.naf.wnd,
|
|
points: pre.naf.points.map(endoMul)
|
|
},
|
|
doubles: pre.doubles && {
|
|
step: pre.doubles.step,
|
|
points: pre.doubles.points.map(endoMul)
|
|
}
|
|
};
|
|
}
|
|
return beta;
|
|
};
|
|
|
|
Point.prototype.toJSON = function toJSON() {
|
|
if (!this.precomputed)
|
|
return [ this.x, this.y ];
|
|
|
|
return [ this.x, this.y, this.precomputed && {
|
|
doubles: this.precomputed.doubles && {
|
|
step: this.precomputed.doubles.step,
|
|
points: this.precomputed.doubles.points.slice(1)
|
|
},
|
|
naf: this.precomputed.naf && {
|
|
wnd: this.precomputed.naf.wnd,
|
|
points: this.precomputed.naf.points.slice(1)
|
|
}
|
|
} ];
|
|
};
|
|
|
|
Point.fromJSON = function fromJSON(curve, obj, red) {
|
|
if (typeof obj === 'string')
|
|
obj = JSON.parse(obj);
|
|
var res = curve.point(obj[0], obj[1], red);
|
|
if (!obj[2])
|
|
return res;
|
|
|
|
function obj2point(obj) {
|
|
return curve.point(obj[0], obj[1], red);
|
|
}
|
|
|
|
var pre = obj[2];
|
|
res.precomputed = {
|
|
beta: null,
|
|
doubles: pre.doubles && {
|
|
step: pre.doubles.step,
|
|
points: [ res ].concat(pre.doubles.points.map(obj2point))
|
|
},
|
|
naf: pre.naf && {
|
|
wnd: pre.naf.wnd,
|
|
points: [ res ].concat(pre.naf.points.map(obj2point))
|
|
}
|
|
};
|
|
return res;
|
|
};
|
|
|
|
Point.prototype.inspect = function inspect() {
|
|
if (this.isInfinity())
|
|
return '<EC Point Infinity>';
|
|
return '<EC Point x: ' + this.x.fromRed().toString(16, 2) +
|
|
' y: ' + this.y.fromRed().toString(16, 2) + '>';
|
|
};
|
|
|
|
Point.prototype.isInfinity = function isInfinity() {
|
|
return this.inf;
|
|
};
|
|
|
|
Point.prototype.add = function add(p) {
|
|
// O + P = P
|
|
if (this.inf)
|
|
return p;
|
|
|
|
// P + O = P
|
|
if (p.inf)
|
|
return this;
|
|
|
|
// P + P = 2P
|
|
if (this.eq(p))
|
|
return this.dbl();
|
|
|
|
// P + (-P) = O
|
|
if (this.neg().eq(p))
|
|
return this.curve.point(null, null);
|
|
|
|
// P + Q = O
|
|
if (this.x.cmp(p.x) === 0)
|
|
return this.curve.point(null, null);
|
|
|
|
var c = this.y.redSub(p.y);
|
|
if (c.cmpn(0) !== 0)
|
|
c = c.redMul(this.x.redSub(p.x).redInvm());
|
|
var nx = c.redSqr().redISub(this.x).redISub(p.x);
|
|
var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
|
|
return this.curve.point(nx, ny);
|
|
};
|
|
|
|
Point.prototype.dbl = function dbl() {
|
|
if (this.inf)
|
|
return this;
|
|
|
|
// 2P = O
|
|
var ys1 = this.y.redAdd(this.y);
|
|
if (ys1.cmpn(0) === 0)
|
|
return this.curve.point(null, null);
|
|
|
|
var a = this.curve.a;
|
|
|
|
var x2 = this.x.redSqr();
|
|
var dyinv = ys1.redInvm();
|
|
var c = x2.redAdd(x2).redIAdd(x2).redIAdd(a).redMul(dyinv);
|
|
|
|
var nx = c.redSqr().redISub(this.x.redAdd(this.x));
|
|
var ny = c.redMul(this.x.redSub(nx)).redISub(this.y);
|
|
return this.curve.point(nx, ny);
|
|
};
|
|
|
|
Point.prototype.getX = function getX() {
|
|
return this.x.fromRed();
|
|
};
|
|
|
|
Point.prototype.getY = function getY() {
|
|
return this.y.fromRed();
|
|
};
|
|
|
|
Point.prototype.mul = function mul(k) {
|
|
k = new BN(k, 16);
|
|
|
|
if (this._hasDoubles(k))
|
|
return this.curve._fixedNafMul(this, k);
|
|
else if (this.curve.endo)
|
|
return this.curve._endoWnafMulAdd([ this ], [ k ]);
|
|
else
|
|
return this.curve._wnafMul(this, k);
|
|
};
|
|
|
|
Point.prototype.mulAdd = function mulAdd(k1, p2, k2) {
|
|
var points = [ this, p2 ];
|
|
var coeffs = [ k1, k2 ];
|
|
if (this.curve.endo)
|
|
return this.curve._endoWnafMulAdd(points, coeffs);
|
|
else
|
|
return this.curve._wnafMulAdd(1, points, coeffs, 2);
|
|
};
|
|
|
|
Point.prototype.jmulAdd = function jmulAdd(k1, p2, k2) {
|
|
var points = [ this, p2 ];
|
|
var coeffs = [ k1, k2 ];
|
|
if (this.curve.endo)
|
|
return this.curve._endoWnafMulAdd(points, coeffs, true);
|
|
else
|
|
return this.curve._wnafMulAdd(1, points, coeffs, 2, true);
|
|
};
|
|
|
|
Point.prototype.eq = function eq(p) {
|
|
return this === p ||
|
|
this.inf === p.inf &&
|
|
(this.inf || this.x.cmp(p.x) === 0 && this.y.cmp(p.y) === 0);
|
|
};
|
|
|
|
Point.prototype.neg = function neg(_precompute) {
|
|
if (this.inf)
|
|
return this;
|
|
|
|
var res = this.curve.point(this.x, this.y.redNeg());
|
|
if (_precompute && this.precomputed) {
|
|
var pre = this.precomputed;
|
|
var negate = function(p) {
|
|
return p.neg();
|
|
};
|
|
res.precomputed = {
|
|
naf: pre.naf && {
|
|
wnd: pre.naf.wnd,
|
|
points: pre.naf.points.map(negate)
|
|
},
|
|
doubles: pre.doubles && {
|
|
step: pre.doubles.step,
|
|
points: pre.doubles.points.map(negate)
|
|
}
|
|
};
|
|
}
|
|
return res;
|
|
};
|
|
|
|
Point.prototype.toJ = function toJ() {
|
|
if (this.inf)
|
|
return this.curve.jpoint(null, null, null);
|
|
|
|
var res = this.curve.jpoint(this.x, this.y, this.curve.one);
|
|
return res;
|
|
};
|
|
|
|
function JPoint(curve, x, y, z) {
|
|
Base.BasePoint.call(this, curve, 'jacobian');
|
|
if (x === null && y === null && z === null) {
|
|
this.x = this.curve.one;
|
|
this.y = this.curve.one;
|
|
this.z = new BN(0);
|
|
} else {
|
|
this.x = new BN(x, 16);
|
|
this.y = new BN(y, 16);
|
|
this.z = new BN(z, 16);
|
|
}
|
|
if (!this.x.red)
|
|
this.x = this.x.toRed(this.curve.red);
|
|
if (!this.y.red)
|
|
this.y = this.y.toRed(this.curve.red);
|
|
if (!this.z.red)
|
|
this.z = this.z.toRed(this.curve.red);
|
|
|
|
this.zOne = this.z === this.curve.one;
|
|
}
|
|
inherits(JPoint, Base.BasePoint);
|
|
|
|
ShortCurve.prototype.jpoint = function jpoint(x, y, z) {
|
|
return new JPoint(this, x, y, z);
|
|
};
|
|
|
|
JPoint.prototype.toP = function toP() {
|
|
if (this.isInfinity())
|
|
return this.curve.point(null, null);
|
|
|
|
var zinv = this.z.redInvm();
|
|
var zinv2 = zinv.redSqr();
|
|
var ax = this.x.redMul(zinv2);
|
|
var ay = this.y.redMul(zinv2).redMul(zinv);
|
|
|
|
return this.curve.point(ax, ay);
|
|
};
|
|
|
|
JPoint.prototype.neg = function neg() {
|
|
return this.curve.jpoint(this.x, this.y.redNeg(), this.z);
|
|
};
|
|
|
|
JPoint.prototype.add = function add(p) {
|
|
// O + P = P
|
|
if (this.isInfinity())
|
|
return p;
|
|
|
|
// P + O = P
|
|
if (p.isInfinity())
|
|
return this;
|
|
|
|
// 12M + 4S + 7A
|
|
var pz2 = p.z.redSqr();
|
|
var z2 = this.z.redSqr();
|
|
var u1 = this.x.redMul(pz2);
|
|
var u2 = p.x.redMul(z2);
|
|
var s1 = this.y.redMul(pz2.redMul(p.z));
|
|
var s2 = p.y.redMul(z2.redMul(this.z));
|
|
|
|
var h = u1.redSub(u2);
|
|
var r = s1.redSub(s2);
|
|
if (h.cmpn(0) === 0) {
|
|
if (r.cmpn(0) !== 0)
|
|
return this.curve.jpoint(null, null, null);
|
|
else
|
|
return this.dbl();
|
|
}
|
|
|
|
var h2 = h.redSqr();
|
|
var h3 = h2.redMul(h);
|
|
var v = u1.redMul(h2);
|
|
|
|
var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
|
|
var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
|
|
var nz = this.z.redMul(p.z).redMul(h);
|
|
|
|
return this.curve.jpoint(nx, ny, nz);
|
|
};
|
|
|
|
JPoint.prototype.mixedAdd = function mixedAdd(p) {
|
|
// O + P = P
|
|
if (this.isInfinity())
|
|
return p.toJ();
|
|
|
|
// P + O = P
|
|
if (p.isInfinity())
|
|
return this;
|
|
|
|
// 8M + 3S + 7A
|
|
var z2 = this.z.redSqr();
|
|
var u1 = this.x;
|
|
var u2 = p.x.redMul(z2);
|
|
var s1 = this.y;
|
|
var s2 = p.y.redMul(z2).redMul(this.z);
|
|
|
|
var h = u1.redSub(u2);
|
|
var r = s1.redSub(s2);
|
|
if (h.cmpn(0) === 0) {
|
|
if (r.cmpn(0) !== 0)
|
|
return this.curve.jpoint(null, null, null);
|
|
else
|
|
return this.dbl();
|
|
}
|
|
|
|
var h2 = h.redSqr();
|
|
var h3 = h2.redMul(h);
|
|
var v = u1.redMul(h2);
|
|
|
|
var nx = r.redSqr().redIAdd(h3).redISub(v).redISub(v);
|
|
var ny = r.redMul(v.redISub(nx)).redISub(s1.redMul(h3));
|
|
var nz = this.z.redMul(h);
|
|
|
|
return this.curve.jpoint(nx, ny, nz);
|
|
};
|
|
|
|
JPoint.prototype.dblp = function dblp(pow) {
|
|
if (pow === 0)
|
|
return this;
|
|
if (this.isInfinity())
|
|
return this;
|
|
if (!pow)
|
|
return this.dbl();
|
|
|
|
if (this.curve.zeroA || this.curve.threeA) {
|
|
var r = this;
|
|
for (var i = 0; i < pow; i++)
|
|
r = r.dbl();
|
|
return r;
|
|
}
|
|
|
|
// 1M + 2S + 1A + N * (4S + 5M + 8A)
|
|
// N = 1 => 6M + 6S + 9A
|
|
var a = this.curve.a;
|
|
var tinv = this.curve.tinv;
|
|
|
|
var jx = this.x;
|
|
var jy = this.y;
|
|
var jz = this.z;
|
|
var jz4 = jz.redSqr().redSqr();
|
|
|
|
// Reuse results
|
|
var jyd = jy.redAdd(jy);
|
|
for (var i = 0; i < pow; i++) {
|
|
var jx2 = jx.redSqr();
|
|
var jyd2 = jyd.redSqr();
|
|
var jyd4 = jyd2.redSqr();
|
|
var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
|
|
|
|
var t1 = jx.redMul(jyd2);
|
|
var nx = c.redSqr().redISub(t1.redAdd(t1));
|
|
var t2 = t1.redISub(nx);
|
|
var dny = c.redMul(t2);
|
|
dny = dny.redIAdd(dny).redISub(jyd4);
|
|
var nz = jyd.redMul(jz);
|
|
if (i + 1 < pow)
|
|
jz4 = jz4.redMul(jyd4);
|
|
|
|
jx = nx;
|
|
jz = nz;
|
|
jyd = dny;
|
|
}
|
|
|
|
return this.curve.jpoint(jx, jyd.redMul(tinv), jz);
|
|
};
|
|
|
|
JPoint.prototype.dbl = function dbl() {
|
|
if (this.isInfinity())
|
|
return this;
|
|
|
|
if (this.curve.zeroA)
|
|
return this._zeroDbl();
|
|
else if (this.curve.threeA)
|
|
return this._threeDbl();
|
|
else
|
|
return this._dbl();
|
|
};
|
|
|
|
JPoint.prototype._zeroDbl = function _zeroDbl() {
|
|
var nx;
|
|
var ny;
|
|
var nz;
|
|
// Z = 1
|
|
if (this.zOne) {
|
|
// hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
|
|
// #doubling-mdbl-2007-bl
|
|
// 1M + 5S + 14A
|
|
|
|
// XX = X1^2
|
|
var xx = this.x.redSqr();
|
|
// YY = Y1^2
|
|
var yy = this.y.redSqr();
|
|
// YYYY = YY^2
|
|
var yyyy = yy.redSqr();
|
|
// S = 2 * ((X1 + YY)^2 - XX - YYYY)
|
|
var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
|
|
s = s.redIAdd(s);
|
|
// M = 3 * XX + a; a = 0
|
|
var m = xx.redAdd(xx).redIAdd(xx);
|
|
// T = M ^ 2 - 2*S
|
|
var t = m.redSqr().redISub(s).redISub(s);
|
|
|
|
// 8 * YYYY
|
|
var yyyy8 = yyyy.redIAdd(yyyy);
|
|
yyyy8 = yyyy8.redIAdd(yyyy8);
|
|
yyyy8 = yyyy8.redIAdd(yyyy8);
|
|
|
|
// X3 = T
|
|
nx = t;
|
|
// Y3 = M * (S - T) - 8 * YYYY
|
|
ny = m.redMul(s.redISub(t)).redISub(yyyy8);
|
|
// Z3 = 2*Y1
|
|
nz = this.y.redAdd(this.y);
|
|
} else {
|
|
// hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html
|
|
// #doubling-dbl-2009-l
|
|
// 2M + 5S + 13A
|
|
|
|
// A = X1^2
|
|
var a = this.x.redSqr();
|
|
// B = Y1^2
|
|
var b = this.y.redSqr();
|
|
// C = B^2
|
|
var c = b.redSqr();
|
|
// D = 2 * ((X1 + B)^2 - A - C)
|
|
var d = this.x.redAdd(b).redSqr().redISub(a).redISub(c);
|
|
d = d.redIAdd(d);
|
|
// E = 3 * A
|
|
var e = a.redAdd(a).redIAdd(a);
|
|
// F = E^2
|
|
var f = e.redSqr();
|
|
|
|
// 8 * C
|
|
var c8 = c.redIAdd(c);
|
|
c8 = c8.redIAdd(c8);
|
|
c8 = c8.redIAdd(c8);
|
|
|
|
// X3 = F - 2 * D
|
|
nx = f.redISub(d).redISub(d);
|
|
// Y3 = E * (D - X3) - 8 * C
|
|
ny = e.redMul(d.redISub(nx)).redISub(c8);
|
|
// Z3 = 2 * Y1 * Z1
|
|
nz = this.y.redMul(this.z);
|
|
nz = nz.redIAdd(nz);
|
|
}
|
|
|
|
return this.curve.jpoint(nx, ny, nz);
|
|
};
|
|
|
|
JPoint.prototype._threeDbl = function _threeDbl() {
|
|
var nx;
|
|
var ny;
|
|
var nz;
|
|
// Z = 1
|
|
if (this.zOne) {
|
|
// hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html
|
|
// #doubling-mdbl-2007-bl
|
|
// 1M + 5S + 15A
|
|
|
|
// XX = X1^2
|
|
var xx = this.x.redSqr();
|
|
// YY = Y1^2
|
|
var yy = this.y.redSqr();
|
|
// YYYY = YY^2
|
|
var yyyy = yy.redSqr();
|
|
// S = 2 * ((X1 + YY)^2 - XX - YYYY)
|
|
var s = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
|
|
s = s.redIAdd(s);
|
|
// M = 3 * XX + a
|
|
var m = xx.redAdd(xx).redIAdd(xx).redIAdd(this.curve.a);
|
|
// T = M^2 - 2 * S
|
|
var t = m.redSqr().redISub(s).redISub(s);
|
|
// X3 = T
|
|
nx = t;
|
|
// Y3 = M * (S - T) - 8 * YYYY
|
|
var yyyy8 = yyyy.redIAdd(yyyy);
|
|
yyyy8 = yyyy8.redIAdd(yyyy8);
|
|
yyyy8 = yyyy8.redIAdd(yyyy8);
|
|
ny = m.redMul(s.redISub(t)).redISub(yyyy8);
|
|
// Z3 = 2 * Y1
|
|
nz = this.y.redAdd(this.y);
|
|
} else {
|
|
// hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-3.html#doubling-dbl-2001-b
|
|
// 3M + 5S
|
|
|
|
// delta = Z1^2
|
|
var delta = this.z.redSqr();
|
|
// gamma = Y1^2
|
|
var gamma = this.y.redSqr();
|
|
// beta = X1 * gamma
|
|
var beta = this.x.redMul(gamma);
|
|
// alpha = 3 * (X1 - delta) * (X1 + delta)
|
|
var alpha = this.x.redSub(delta).redMul(this.x.redAdd(delta));
|
|
alpha = alpha.redAdd(alpha).redIAdd(alpha);
|
|
// X3 = alpha^2 - 8 * beta
|
|
var beta4 = beta.redIAdd(beta);
|
|
beta4 = beta4.redIAdd(beta4);
|
|
var beta8 = beta4.redAdd(beta4);
|
|
nx = alpha.redSqr().redISub(beta8);
|
|
// Z3 = (Y1 + Z1)^2 - gamma - delta
|
|
nz = this.y.redAdd(this.z).redSqr().redISub(gamma).redISub(delta);
|
|
// Y3 = alpha * (4 * beta - X3) - 8 * gamma^2
|
|
var ggamma8 = gamma.redSqr();
|
|
ggamma8 = ggamma8.redIAdd(ggamma8);
|
|
ggamma8 = ggamma8.redIAdd(ggamma8);
|
|
ggamma8 = ggamma8.redIAdd(ggamma8);
|
|
ny = alpha.redMul(beta4.redISub(nx)).redISub(ggamma8);
|
|
}
|
|
|
|
return this.curve.jpoint(nx, ny, nz);
|
|
};
|
|
|
|
JPoint.prototype._dbl = function _dbl() {
|
|
var a = this.curve.a;
|
|
|
|
// 4M + 6S + 10A
|
|
var jx = this.x;
|
|
var jy = this.y;
|
|
var jz = this.z;
|
|
var jz4 = jz.redSqr().redSqr();
|
|
|
|
var jx2 = jx.redSqr();
|
|
var jy2 = jy.redSqr();
|
|
|
|
var c = jx2.redAdd(jx2).redIAdd(jx2).redIAdd(a.redMul(jz4));
|
|
|
|
var jxd4 = jx.redAdd(jx);
|
|
jxd4 = jxd4.redIAdd(jxd4);
|
|
var t1 = jxd4.redMul(jy2);
|
|
var nx = c.redSqr().redISub(t1.redAdd(t1));
|
|
var t2 = t1.redISub(nx);
|
|
|
|
var jyd8 = jy2.redSqr();
|
|
jyd8 = jyd8.redIAdd(jyd8);
|
|
jyd8 = jyd8.redIAdd(jyd8);
|
|
jyd8 = jyd8.redIAdd(jyd8);
|
|
var ny = c.redMul(t2).redISub(jyd8);
|
|
var nz = jy.redAdd(jy).redMul(jz);
|
|
|
|
return this.curve.jpoint(nx, ny, nz);
|
|
};
|
|
|
|
JPoint.prototype.trpl = function trpl() {
|
|
if (!this.curve.zeroA)
|
|
return this.dbl().add(this);
|
|
|
|
// hyperelliptic.org/EFD/g1p/auto-shortw-jacobian-0.html#tripling-tpl-2007-bl
|
|
// 5M + 10S + ...
|
|
|
|
// XX = X1^2
|
|
var xx = this.x.redSqr();
|
|
// YY = Y1^2
|
|
var yy = this.y.redSqr();
|
|
// ZZ = Z1^2
|
|
var zz = this.z.redSqr();
|
|
// YYYY = YY^2
|
|
var yyyy = yy.redSqr();
|
|
// M = 3 * XX + a * ZZ2; a = 0
|
|
var m = xx.redAdd(xx).redIAdd(xx);
|
|
// MM = M^2
|
|
var mm = m.redSqr();
|
|
// E = 6 * ((X1 + YY)^2 - XX - YYYY) - MM
|
|
var e = this.x.redAdd(yy).redSqr().redISub(xx).redISub(yyyy);
|
|
e = e.redIAdd(e);
|
|
e = e.redAdd(e).redIAdd(e);
|
|
e = e.redISub(mm);
|
|
// EE = E^2
|
|
var ee = e.redSqr();
|
|
// T = 16*YYYY
|
|
var t = yyyy.redIAdd(yyyy);
|
|
t = t.redIAdd(t);
|
|
t = t.redIAdd(t);
|
|
t = t.redIAdd(t);
|
|
// U = (M + E)^2 - MM - EE - T
|
|
var u = m.redIAdd(e).redSqr().redISub(mm).redISub(ee).redISub(t);
|
|
// X3 = 4 * (X1 * EE - 4 * YY * U)
|
|
var yyu4 = yy.redMul(u);
|
|
yyu4 = yyu4.redIAdd(yyu4);
|
|
yyu4 = yyu4.redIAdd(yyu4);
|
|
var nx = this.x.redMul(ee).redISub(yyu4);
|
|
nx = nx.redIAdd(nx);
|
|
nx = nx.redIAdd(nx);
|
|
// Y3 = 8 * Y1 * (U * (T - U) - E * EE)
|
|
var ny = this.y.redMul(u.redMul(t.redISub(u)).redISub(e.redMul(ee)));
|
|
ny = ny.redIAdd(ny);
|
|
ny = ny.redIAdd(ny);
|
|
ny = ny.redIAdd(ny);
|
|
// Z3 = (Z1 + E)^2 - ZZ - EE
|
|
var nz = this.z.redAdd(e).redSqr().redISub(zz).redISub(ee);
|
|
|
|
return this.curve.jpoint(nx, ny, nz);
|
|
};
|
|
|
|
JPoint.prototype.mul = function mul(k, kbase) {
|
|
k = new BN(k, kbase);
|
|
|
|
return this.curve._wnafMul(this, k);
|
|
};
|
|
|
|
JPoint.prototype.eq = function eq(p) {
|
|
if (p.type === 'affine')
|
|
return this.eq(p.toJ());
|
|
|
|
if (this === p)
|
|
return true;
|
|
|
|
// x1 * z2^2 == x2 * z1^2
|
|
var z2 = this.z.redSqr();
|
|
var pz2 = p.z.redSqr();
|
|
if (this.x.redMul(pz2).redISub(p.x.redMul(z2)).cmpn(0) !== 0)
|
|
return false;
|
|
|
|
// y1 * z2^3 == y2 * z1^3
|
|
var z3 = z2.redMul(this.z);
|
|
var pz3 = pz2.redMul(p.z);
|
|
return this.y.redMul(pz3).redISub(p.y.redMul(z3)).cmpn(0) === 0;
|
|
};
|
|
|
|
JPoint.prototype.eqXToP = function eqXToP(x) {
|
|
var zs = this.z.redSqr();
|
|
var rx = x.toRed(this.curve.red).redMul(zs);
|
|
if (this.x.cmp(rx) === 0)
|
|
return true;
|
|
|
|
var xc = x.clone();
|
|
var t = this.curve.redN.redMul(zs);
|
|
for (;;) {
|
|
xc.iadd(this.curve.n);
|
|
if (xc.cmp(this.curve.p) >= 0)
|
|
return false;
|
|
|
|
rx.redIAdd(t);
|
|
if (this.x.cmp(rx) === 0)
|
|
return true;
|
|
}
|
|
return false;
|
|
};
|
|
|
|
JPoint.prototype.inspect = function inspect() {
|
|
if (this.isInfinity())
|
|
return '<EC JPoint Infinity>';
|
|
return '<EC JPoint x: ' + this.x.toString(16, 2) +
|
|
' y: ' + this.y.toString(16, 2) +
|
|
' z: ' + this.z.toString(16, 2) + '>';
|
|
};
|
|
|
|
JPoint.prototype.isInfinity = function isInfinity() {
|
|
// XXX This code assumes that zero is always zero in red
|
|
return this.z.cmpn(0) === 0;
|
|
};
|
|
|
|
},{"../../elliptic":6,"../curve":9,"bn.js":22,"inherits":30}],12:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var curves = exports;
|
|
|
|
var hash = require('hash.js');
|
|
var elliptic = require('../elliptic');
|
|
|
|
var assert = elliptic.utils.assert;
|
|
|
|
function PresetCurve(options) {
|
|
if (options.type === 'short')
|
|
this.curve = new elliptic.curve.short(options);
|
|
else if (options.type === 'edwards')
|
|
this.curve = new elliptic.curve.edwards(options);
|
|
else
|
|
this.curve = new elliptic.curve.mont(options);
|
|
this.g = this.curve.g;
|
|
this.n = this.curve.n;
|
|
this.hash = options.hash;
|
|
|
|
assert(this.g.validate(), 'Invalid curve');
|
|
assert(this.g.mul(this.n).isInfinity(), 'Invalid curve, G*N != O');
|
|
}
|
|
curves.PresetCurve = PresetCurve;
|
|
|
|
function defineCurve(name, options) {
|
|
Object.defineProperty(curves, name, {
|
|
configurable: true,
|
|
enumerable: true,
|
|
get: function() {
|
|
var curve = new PresetCurve(options);
|
|
Object.defineProperty(curves, name, {
|
|
configurable: true,
|
|
enumerable: true,
|
|
value: curve
|
|
});
|
|
return curve;
|
|
}
|
|
});
|
|
}
|
|
|
|
defineCurve('p192', {
|
|
type: 'short',
|
|
prime: 'p192',
|
|
p: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff',
|
|
a: 'ffffffff ffffffff ffffffff fffffffe ffffffff fffffffc',
|
|
b: '64210519 e59c80e7 0fa7e9ab 72243049 feb8deec c146b9b1',
|
|
n: 'ffffffff ffffffff ffffffff 99def836 146bc9b1 b4d22831',
|
|
hash: hash.sha256,
|
|
gRed: false,
|
|
g: [
|
|
'188da80e b03090f6 7cbf20eb 43a18800 f4ff0afd 82ff1012',
|
|
'07192b95 ffc8da78 631011ed 6b24cdd5 73f977a1 1e794811'
|
|
]
|
|
});
|
|
|
|
defineCurve('p224', {
|
|
type: 'short',
|
|
prime: 'p224',
|
|
p: 'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001',
|
|
a: 'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff fffffffe',
|
|
b: 'b4050a85 0c04b3ab f5413256 5044b0b7 d7bfd8ba 270b3943 2355ffb4',
|
|
n: 'ffffffff ffffffff ffffffff ffff16a2 e0b8f03e 13dd2945 5c5c2a3d',
|
|
hash: hash.sha256,
|
|
gRed: false,
|
|
g: [
|
|
'b70e0cbd 6bb4bf7f 321390b9 4a03c1d3 56c21122 343280d6 115c1d21',
|
|
'bd376388 b5f723fb 4c22dfe6 cd4375a0 5a074764 44d58199 85007e34'
|
|
]
|
|
});
|
|
|
|
defineCurve('p256', {
|
|
type: 'short',
|
|
prime: null,
|
|
p: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff ffffffff',
|
|
a: 'ffffffff 00000001 00000000 00000000 00000000 ffffffff ffffffff fffffffc',
|
|
b: '5ac635d8 aa3a93e7 b3ebbd55 769886bc 651d06b0 cc53b0f6 3bce3c3e 27d2604b',
|
|
n: 'ffffffff 00000000 ffffffff ffffffff bce6faad a7179e84 f3b9cac2 fc632551',
|
|
hash: hash.sha256,
|
|
gRed: false,
|
|
g: [
|
|
'6b17d1f2 e12c4247 f8bce6e5 63a440f2 77037d81 2deb33a0 f4a13945 d898c296',
|
|
'4fe342e2 fe1a7f9b 8ee7eb4a 7c0f9e16 2bce3357 6b315ece cbb64068 37bf51f5'
|
|
]
|
|
});
|
|
|
|
defineCurve('p384', {
|
|
type: 'short',
|
|
prime: null,
|
|
p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
|
'fffffffe ffffffff 00000000 00000000 ffffffff',
|
|
a: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
|
'fffffffe ffffffff 00000000 00000000 fffffffc',
|
|
b: 'b3312fa7 e23ee7e4 988e056b e3f82d19 181d9c6e fe814112 0314088f ' +
|
|
'5013875a c656398d 8a2ed19d 2a85c8ed d3ec2aef',
|
|
n: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff c7634d81 ' +
|
|
'f4372ddf 581a0db2 48b0a77a ecec196a ccc52973',
|
|
hash: hash.sha384,
|
|
gRed: false,
|
|
g: [
|
|
'aa87ca22 be8b0537 8eb1c71e f320ad74 6e1d3b62 8ba79b98 59f741e0 82542a38 ' +
|
|
'5502f25d bf55296c 3a545e38 72760ab7',
|
|
'3617de4a 96262c6f 5d9e98bf 9292dc29 f8f41dbd 289a147c e9da3113 b5f0b8c0 ' +
|
|
'0a60b1ce 1d7e819d 7a431d7c 90ea0e5f'
|
|
]
|
|
});
|
|
|
|
defineCurve('p521', {
|
|
type: 'short',
|
|
prime: null,
|
|
p: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
|
'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
|
'ffffffff ffffffff ffffffff ffffffff ffffffff',
|
|
a: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
|
'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
|
'ffffffff ffffffff ffffffff ffffffff fffffffc',
|
|
b: '00000051 953eb961 8e1c9a1f 929a21a0 b68540ee a2da725b ' +
|
|
'99b315f3 b8b48991 8ef109e1 56193951 ec7e937b 1652c0bd ' +
|
|
'3bb1bf07 3573df88 3d2c34f1 ef451fd4 6b503f00',
|
|
n: '000001ff ffffffff ffffffff ffffffff ffffffff ffffffff ' +
|
|
'ffffffff ffffffff fffffffa 51868783 bf2f966b 7fcc0148 ' +
|
|
'f709a5d0 3bb5c9b8 899c47ae bb6fb71e 91386409',
|
|
hash: hash.sha512,
|
|
gRed: false,
|
|
g: [
|
|
'000000c6 858e06b7 0404e9cd 9e3ecb66 2395b442 9c648139 ' +
|
|
'053fb521 f828af60 6b4d3dba a14b5e77 efe75928 fe1dc127 ' +
|
|
'a2ffa8de 3348b3c1 856a429b f97e7e31 c2e5bd66',
|
|
'00000118 39296a78 9a3bc004 5c8a5fb4 2c7d1bd9 98f54449 ' +
|
|
'579b4468 17afbd17 273e662c 97ee7299 5ef42640 c550b901 ' +
|
|
'3fad0761 353c7086 a272c240 88be9476 9fd16650'
|
|
]
|
|
});
|
|
|
|
defineCurve('curve25519', {
|
|
type: 'mont',
|
|
prime: 'p25519',
|
|
p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
|
|
a: '76d06',
|
|
b: '0',
|
|
n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
|
|
hash: hash.sha256,
|
|
gRed: false,
|
|
g: [
|
|
'9'
|
|
]
|
|
});
|
|
|
|
defineCurve('ed25519', {
|
|
type: 'edwards',
|
|
prime: 'p25519',
|
|
p: '7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed',
|
|
a: '-1',
|
|
c: '1',
|
|
// -121665 * (121666^(-1)) (mod P)
|
|
d: '52036cee2b6ffe73 8cc740797779e898 00700a4d4141d8ab 75eb4dca135978a3',
|
|
n: '1000000000000000 0000000000000000 14def9dea2f79cd6 5812631a5cf5d3ed',
|
|
hash: hash.sha256,
|
|
gRed: false,
|
|
g: [
|
|
'216936d3cd6e53fec0a4e231fdd6dc5c692cc7609525a7b2c9562d608f25d51a',
|
|
|
|
// 4/5
|
|
'6666666666666666666666666666666666666666666666666666666666666658'
|
|
]
|
|
});
|
|
|
|
var pre;
|
|
try {
|
|
pre = require('./precomputed/secp256k1');
|
|
} catch (e) {
|
|
pre = undefined;
|
|
}
|
|
|
|
defineCurve('secp256k1', {
|
|
type: 'short',
|
|
prime: 'k256',
|
|
p: 'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f',
|
|
a: '0',
|
|
b: '7',
|
|
n: 'ffffffff ffffffff ffffffff fffffffe baaedce6 af48a03b bfd25e8c d0364141',
|
|
h: '1',
|
|
hash: hash.sha256,
|
|
|
|
// Precomputed endomorphism
|
|
beta: '7ae96a2b657c07106e64479eac3434e99cf0497512f58995c1396c28719501ee',
|
|
lambda: '5363ad4cc05c30e0a5261c028812645a122e22ea20816678df02967c1b23bd72',
|
|
basis: [
|
|
{
|
|
a: '3086d221a7d46bcde86c90e49284eb15',
|
|
b: '-e4437ed6010e88286f547fa90abfe4c3'
|
|
},
|
|
{
|
|
a: '114ca50f7a8e2f3f657c1108d9d44cfd8',
|
|
b: '3086d221a7d46bcde86c90e49284eb15'
|
|
}
|
|
],
|
|
|
|
gRed: false,
|
|
g: [
|
|
'79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798',
|
|
'483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d08ffb10d4b8',
|
|
pre
|
|
]
|
|
});
|
|
|
|
},{"../elliptic":6,"./precomputed/secp256k1":20,"hash.js":24}],13:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var BN = require('bn.js');
|
|
var elliptic = require('../../elliptic');
|
|
var utils = elliptic.utils;
|
|
var assert = utils.assert;
|
|
|
|
var KeyPair = require('./key');
|
|
var Signature = require('./signature');
|
|
|
|
function EC(options) {
|
|
if (!(this instanceof EC))
|
|
return new EC(options);
|
|
|
|
// Shortcut `elliptic.ec(curve-name)`
|
|
if (typeof options === 'string') {
|
|
assert(elliptic.curves.hasOwnProperty(options), 'Unknown curve ' + options);
|
|
|
|
options = elliptic.curves[options];
|
|
}
|
|
|
|
// Shortcut for `elliptic.ec(elliptic.curves.curveName)`
|
|
if (options instanceof elliptic.curves.PresetCurve)
|
|
options = { curve: options };
|
|
|
|
this.curve = options.curve.curve;
|
|
this.n = this.curve.n;
|
|
this.nh = this.n.ushrn(1);
|
|
this.g = this.curve.g;
|
|
|
|
// Point on curve
|
|
this.g = options.curve.g;
|
|
this.g.precompute(options.curve.n.bitLength() + 1);
|
|
|
|
// Hash for function for DRBG
|
|
this.hash = options.hash || options.curve.hash;
|
|
}
|
|
module.exports = EC;
|
|
|
|
EC.prototype.keyPair = function keyPair(options) {
|
|
return new KeyPair(this, options);
|
|
};
|
|
|
|
EC.prototype.keyFromPrivate = function keyFromPrivate(priv, enc) {
|
|
return KeyPair.fromPrivate(this, priv, enc);
|
|
};
|
|
|
|
EC.prototype.keyFromPublic = function keyFromPublic(pub, enc) {
|
|
return KeyPair.fromPublic(this, pub, enc);
|
|
};
|
|
|
|
EC.prototype.genKeyPair = function genKeyPair(options) {
|
|
if (!options)
|
|
options = {};
|
|
|
|
// Instantiate Hmac_DRBG
|
|
var drbg = new elliptic.hmacDRBG({
|
|
hash: this.hash,
|
|
pers: options.pers,
|
|
entropy: options.entropy || elliptic.rand(this.hash.hmacStrength),
|
|
nonce: this.n.toArray()
|
|
});
|
|
|
|
var bytes = this.n.byteLength();
|
|
var ns2 = this.n.sub(new BN(2));
|
|
do {
|
|
var priv = new BN(drbg.generate(bytes));
|
|
if (priv.cmp(ns2) > 0)
|
|
continue;
|
|
|
|
priv.iaddn(1);
|
|
return this.keyFromPrivate(priv);
|
|
} while (true);
|
|
};
|
|
|
|
EC.prototype._truncateToN = function truncateToN(msg, truncOnly) {
|
|
var delta = msg.byteLength() * 8 - this.n.bitLength();
|
|
if (delta > 0)
|
|
msg = msg.ushrn(delta);
|
|
if (!truncOnly && msg.cmp(this.n) >= 0)
|
|
return msg.sub(this.n);
|
|
else
|
|
return msg;
|
|
};
|
|
|
|
EC.prototype.sign = function sign(msg, key, enc, options) {
|
|
if (typeof enc === 'object') {
|
|
options = enc;
|
|
enc = null;
|
|
}
|
|
if (!options)
|
|
options = {};
|
|
|
|
key = this.keyFromPrivate(key, enc);
|
|
msg = this._truncateToN(new BN(msg, 16));
|
|
|
|
// Zero-extend key to provide enough entropy
|
|
var bytes = this.n.byteLength();
|
|
var bkey = key.getPrivate().toArray('be', bytes);
|
|
|
|
// Zero-extend nonce to have the same byte size as N
|
|
var nonce = msg.toArray('be', bytes);
|
|
|
|
// Instantiate Hmac_DRBG
|
|
var drbg = new elliptic.hmacDRBG({
|
|
hash: this.hash,
|
|
entropy: bkey,
|
|
nonce: nonce,
|
|
pers: options.pers,
|
|
persEnc: options.persEnc
|
|
});
|
|
|
|
// Number of bytes to generate
|
|
var ns1 = this.n.sub(new BN(1));
|
|
|
|
for (var iter = 0; true; iter++) {
|
|
var k = options.k ?
|
|
options.k(iter) :
|
|
new BN(drbg.generate(this.n.byteLength()));
|
|
k = this._truncateToN(k, true);
|
|
if (k.cmpn(1) <= 0 || k.cmp(ns1) >= 0)
|
|
continue;
|
|
|
|
var kp = this.g.mul(k);
|
|
if (kp.isInfinity())
|
|
continue;
|
|
|
|
var kpX = kp.getX();
|
|
var r = kpX.umod(this.n);
|
|
if (r.cmpn(0) === 0)
|
|
continue;
|
|
|
|
var s = k.invm(this.n).mul(r.mul(key.getPrivate()).iadd(msg));
|
|
s = s.umod(this.n);
|
|
if (s.cmpn(0) === 0)
|
|
continue;
|
|
|
|
var recoveryParam = (kp.getY().isOdd() ? 1 : 0) |
|
|
(kpX.cmp(r) !== 0 ? 2 : 0);
|
|
|
|
// Use complement of `s`, if it is > `n / 2`
|
|
if (options.canonical && s.cmp(this.nh) > 0) {
|
|
s = this.n.sub(s);
|
|
recoveryParam ^= 1;
|
|
}
|
|
|
|
return new Signature({ r: r, s: s, recoveryParam: recoveryParam });
|
|
}
|
|
};
|
|
|
|
EC.prototype.verify = function verify(msg, signature, key, enc) {
|
|
msg = this._truncateToN(new BN(msg, 16));
|
|
key = this.keyFromPublic(key, enc);
|
|
signature = new Signature(signature, 'hex');
|
|
|
|
// Perform primitive values validation
|
|
var r = signature.r;
|
|
var s = signature.s;
|
|
if (r.cmpn(1) < 0 || r.cmp(this.n) >= 0)
|
|
return false;
|
|
if (s.cmpn(1) < 0 || s.cmp(this.n) >= 0)
|
|
return false;
|
|
|
|
// Validate signature
|
|
var sinv = s.invm(this.n);
|
|
var u1 = sinv.mul(msg).umod(this.n);
|
|
var u2 = sinv.mul(r).umod(this.n);
|
|
|
|
if (!this.curve._maxwellTrick) {
|
|
var p = this.g.mulAdd(u1, key.getPublic(), u2);
|
|
if (p.isInfinity())
|
|
return false;
|
|
|
|
return p.getX().umod(this.n).cmp(r) === 0;
|
|
}
|
|
|
|
// NOTE: Greg Maxwell's trick, inspired by:
|
|
// https://git.io/vad3K
|
|
|
|
var p = this.g.jmulAdd(u1, key.getPublic(), u2);
|
|
if (p.isInfinity())
|
|
return false;
|
|
|
|
// Compare `p.x` of Jacobian point with `r`,
|
|
// this will do `p.x == r * p.z^2` instead of multiplying `p.x` by the
|
|
// inverse of `p.z^2`
|
|
return p.eqXToP(r);
|
|
};
|
|
|
|
EC.prototype.recoverPubKey = function(msg, signature, j, enc) {
|
|
assert((3 & j) === j, 'The recovery param is more than two bits');
|
|
signature = new Signature(signature, enc);
|
|
|
|
var n = this.n;
|
|
var e = new BN(msg);
|
|
var r = signature.r;
|
|
var s = signature.s;
|
|
|
|
// A set LSB signifies that the y-coordinate is odd
|
|
var isYOdd = j & 1;
|
|
var isSecondKey = j >> 1;
|
|
if (r.cmp(this.curve.p.umod(this.curve.n)) >= 0 && isSecondKey)
|
|
throw new Error('Unable to find sencond key candinate');
|
|
|
|
// 1.1. Let x = r + jn.
|
|
if (isSecondKey)
|
|
r = this.curve.pointFromX(r.add(this.curve.n), isYOdd);
|
|
else
|
|
r = this.curve.pointFromX(r, isYOdd);
|
|
|
|
var eNeg = n.sub(e);
|
|
|
|
// 1.6.1 Compute Q = r^-1 (sR - eG)
|
|
// Q = r^-1 (sR + -eG)
|
|
var rInv = signature.r.invm(n);
|
|
return this.g.mulAdd(eNeg, r, s).mul(rInv);
|
|
};
|
|
|
|
EC.prototype.getKeyRecoveryParam = function(e, signature, Q, enc) {
|
|
signature = new Signature(signature, enc);
|
|
if (signature.recoveryParam !== null)
|
|
return signature.recoveryParam;
|
|
|
|
for (var i = 0; i < 4; i++) {
|
|
var Qprime;
|
|
try {
|
|
Qprime = this.recoverPubKey(e, signature, i);
|
|
} catch (e) {
|
|
continue;
|
|
}
|
|
|
|
if (Qprime.eq(Q))
|
|
return i;
|
|
}
|
|
throw new Error('Unable to find valid recovery factor');
|
|
};
|
|
|
|
},{"../../elliptic":6,"./key":14,"./signature":15,"bn.js":22}],14:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var BN = require('bn.js');
|
|
|
|
function KeyPair(ec, options) {
|
|
this.ec = ec;
|
|
this.priv = null;
|
|
this.pub = null;
|
|
|
|
// KeyPair(ec, { priv: ..., pub: ... })
|
|
if (options.priv)
|
|
this._importPrivate(options.priv, options.privEnc);
|
|
if (options.pub)
|
|
this._importPublic(options.pub, options.pubEnc);
|
|
}
|
|
module.exports = KeyPair;
|
|
|
|
KeyPair.fromPublic = function fromPublic(ec, pub, enc) {
|
|
if (pub instanceof KeyPair)
|
|
return pub;
|
|
|
|
return new KeyPair(ec, {
|
|
pub: pub,
|
|
pubEnc: enc
|
|
});
|
|
};
|
|
|
|
KeyPair.fromPrivate = function fromPrivate(ec, priv, enc) {
|
|
if (priv instanceof KeyPair)
|
|
return priv;
|
|
|
|
return new KeyPair(ec, {
|
|
priv: priv,
|
|
privEnc: enc
|
|
});
|
|
};
|
|
|
|
KeyPair.prototype.validate = function validate() {
|
|
var pub = this.getPublic();
|
|
|
|
if (pub.isInfinity())
|
|
return { result: false, reason: 'Invalid public key' };
|
|
if (!pub.validate())
|
|
return { result: false, reason: 'Public key is not a point' };
|
|
if (!pub.mul(this.ec.curve.n).isInfinity())
|
|
return { result: false, reason: 'Public key * N != O' };
|
|
|
|
return { result: true, reason: null };
|
|
};
|
|
|
|
KeyPair.prototype.getPublic = function getPublic(compact, enc) {
|
|
// compact is optional argument
|
|
if (typeof compact === 'string') {
|
|
enc = compact;
|
|
compact = null;
|
|
}
|
|
|
|
if (!this.pub)
|
|
this.pub = this.ec.g.mul(this.priv);
|
|
|
|
if (!enc)
|
|
return this.pub;
|
|
|
|
return this.pub.encode(enc, compact);
|
|
};
|
|
|
|
KeyPair.prototype.getPrivate = function getPrivate(enc) {
|
|
if (enc === 'hex')
|
|
return this.priv.toString(16, 2);
|
|
else
|
|
return this.priv;
|
|
};
|
|
|
|
KeyPair.prototype._importPrivate = function _importPrivate(key, enc) {
|
|
this.priv = new BN(key, enc || 16);
|
|
|
|
// Ensure that the priv won't be bigger than n, otherwise we may fail
|
|
// in fixed multiplication method
|
|
this.priv = this.priv.umod(this.ec.curve.n);
|
|
};
|
|
|
|
KeyPair.prototype._importPublic = function _importPublic(key, enc) {
|
|
if (key.x || key.y) {
|
|
this.pub = this.ec.curve.point(key.x, key.y);
|
|
return;
|
|
}
|
|
this.pub = this.ec.curve.decodePoint(key, enc);
|
|
};
|
|
|
|
// ECDH
|
|
KeyPair.prototype.derive = function derive(pub) {
|
|
return pub.mul(this.priv).getX();
|
|
};
|
|
|
|
// ECDSA
|
|
KeyPair.prototype.sign = function sign(msg, enc, options) {
|
|
return this.ec.sign(msg, this, enc, options);
|
|
};
|
|
|
|
KeyPair.prototype.verify = function verify(msg, signature) {
|
|
return this.ec.verify(msg, signature, this);
|
|
};
|
|
|
|
KeyPair.prototype.inspect = function inspect() {
|
|
return '<Key priv: ' + (this.priv && this.priv.toString(16, 2)) +
|
|
' pub: ' + (this.pub && this.pub.inspect()) + ' >';
|
|
};
|
|
|
|
},{"bn.js":22}],15:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var BN = require('bn.js');
|
|
|
|
var elliptic = require('../../elliptic');
|
|
var utils = elliptic.utils;
|
|
var assert = utils.assert;
|
|
|
|
function Signature(options, enc) {
|
|
if (options instanceof Signature)
|
|
return options;
|
|
|
|
if (this._importDER(options, enc))
|
|
return;
|
|
|
|
assert(options.r && options.s, 'Signature without r or s');
|
|
this.r = new BN(options.r, 16);
|
|
this.s = new BN(options.s, 16);
|
|
if (options.recoveryParam === undefined)
|
|
this.recoveryParam = null;
|
|
else
|
|
this.recoveryParam = options.recoveryParam;
|
|
}
|
|
module.exports = Signature;
|
|
|
|
function Position() {
|
|
this.place = 0;
|
|
}
|
|
|
|
function getLength(buf, p) {
|
|
var initial = buf[p.place++];
|
|
if (!(initial & 0x80)) {
|
|
return initial;
|
|
}
|
|
var octetLen = initial & 0xf;
|
|
var val = 0;
|
|
for (var i = 0, off = p.place; i < octetLen; i++, off++) {
|
|
val <<= 8;
|
|
val |= buf[off];
|
|
}
|
|
p.place = off;
|
|
return val;
|
|
}
|
|
|
|
function rmPadding(buf) {
|
|
var i = 0;
|
|
var len = buf.length - 1;
|
|
while (!buf[i] && !(buf[i + 1] & 0x80) && i < len) {
|
|
i++;
|
|
}
|
|
if (i === 0) {
|
|
return buf;
|
|
}
|
|
return buf.slice(i);
|
|
}
|
|
|
|
Signature.prototype._importDER = function _importDER(data, enc) {
|
|
data = utils.toArray(data, enc);
|
|
var p = new Position();
|
|
if (data[p.place++] !== 0x30) {
|
|
return false;
|
|
}
|
|
var len = getLength(data, p);
|
|
if ((len + p.place) !== data.length) {
|
|
return false;
|
|
}
|
|
if (data[p.place++] !== 0x02) {
|
|
return false;
|
|
}
|
|
var rlen = getLength(data, p);
|
|
var r = data.slice(p.place, rlen + p.place);
|
|
p.place += rlen;
|
|
if (data[p.place++] !== 0x02) {
|
|
return false;
|
|
}
|
|
var slen = getLength(data, p);
|
|
if (data.length !== slen + p.place) {
|
|
return false;
|
|
}
|
|
var s = data.slice(p.place, slen + p.place);
|
|
if (r[0] === 0 && (r[1] & 0x80)) {
|
|
r = r.slice(1);
|
|
}
|
|
if (s[0] === 0 && (s[1] & 0x80)) {
|
|
s = s.slice(1);
|
|
}
|
|
|
|
this.r = new BN(r);
|
|
this.s = new BN(s);
|
|
this.recoveryParam = null;
|
|
|
|
return true;
|
|
};
|
|
|
|
function constructLength(arr, len) {
|
|
if (len < 0x80) {
|
|
arr.push(len);
|
|
return;
|
|
}
|
|
var octets = 1 + (Math.log(len) / Math.LN2 >>> 3);
|
|
arr.push(octets | 0x80);
|
|
while (--octets) {
|
|
arr.push((len >>> (octets << 3)) & 0xff);
|
|
}
|
|
arr.push(len);
|
|
}
|
|
|
|
Signature.prototype.toDER = function toDER(enc) {
|
|
var r = this.r.toArray();
|
|
var s = this.s.toArray();
|
|
|
|
// Pad values
|
|
if (r[0] & 0x80)
|
|
r = [ 0 ].concat(r);
|
|
// Pad values
|
|
if (s[0] & 0x80)
|
|
s = [ 0 ].concat(s);
|
|
|
|
r = rmPadding(r);
|
|
s = rmPadding(s);
|
|
|
|
while (!s[0] && !(s[1] & 0x80)) {
|
|
s = s.slice(1);
|
|
}
|
|
var arr = [ 0x02 ];
|
|
constructLength(arr, r.length);
|
|
arr = arr.concat(r);
|
|
arr.push(0x02);
|
|
constructLength(arr, s.length);
|
|
var backHalf = arr.concat(s);
|
|
var res = [ 0x30 ];
|
|
constructLength(res, backHalf.length);
|
|
res = res.concat(backHalf);
|
|
return utils.encode(res, enc);
|
|
};
|
|
|
|
},{"../../elliptic":6,"bn.js":22}],16:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var hash = require('hash.js');
|
|
var elliptic = require('../../elliptic');
|
|
var utils = elliptic.utils;
|
|
var assert = utils.assert;
|
|
var parseBytes = utils.parseBytes;
|
|
var KeyPair = require('./key');
|
|
var Signature = require('./signature');
|
|
|
|
function EDDSA(curve) {
|
|
assert(curve === 'ed25519', 'only tested with ed25519 so far');
|
|
|
|
if (!(this instanceof EDDSA))
|
|
return new EDDSA(curve);
|
|
|
|
var curve = elliptic.curves[curve].curve;
|
|
this.curve = curve;
|
|
this.g = curve.g;
|
|
this.g.precompute(curve.n.bitLength() + 1);
|
|
|
|
this.pointClass = curve.point().constructor;
|
|
this.encodingLength = Math.ceil(curve.n.bitLength() / 8);
|
|
this.hash = hash.sha512;
|
|
}
|
|
|
|
module.exports = EDDSA;
|
|
|
|
/**
|
|
* @param {Array|String} message - message bytes
|
|
* @param {Array|String|KeyPair} secret - secret bytes or a keypair
|
|
* @returns {Signature} - signature
|
|
*/
|
|
EDDSA.prototype.sign = function sign(message, secret) {
|
|
message = parseBytes(message);
|
|
var key = this.keyFromSecret(secret);
|
|
var r = this.hashInt(key.messagePrefix(), message);
|
|
var R = this.g.mul(r);
|
|
var Rencoded = this.encodePoint(R);
|
|
var s_ = this.hashInt(Rencoded, key.pubBytes(), message)
|
|
.mul(key.priv());
|
|
var S = r.add(s_).umod(this.curve.n);
|
|
return this.makeSignature({ R: R, S: S, Rencoded: Rencoded });
|
|
};
|
|
|
|
/**
|
|
* @param {Array} message - message bytes
|
|
* @param {Array|String|Signature} sig - sig bytes
|
|
* @param {Array|String|Point|KeyPair} pub - public key
|
|
* @returns {Boolean} - true if public key matches sig of message
|
|
*/
|
|
EDDSA.prototype.verify = function verify(message, sig, pub) {
|
|
message = parseBytes(message);
|
|
sig = this.makeSignature(sig);
|
|
var key = this.keyFromPublic(pub);
|
|
var h = this.hashInt(sig.Rencoded(), key.pubBytes(), message);
|
|
var SG = this.g.mul(sig.S());
|
|
var RplusAh = sig.R().add(key.pub().mul(h));
|
|
return RplusAh.eq(SG);
|
|
};
|
|
|
|
EDDSA.prototype.hashInt = function hashInt() {
|
|
var hash = this.hash();
|
|
for (var i = 0; i < arguments.length; i++)
|
|
hash.update(arguments[i]);
|
|
return utils.intFromLE(hash.digest()).umod(this.curve.n);
|
|
};
|
|
|
|
EDDSA.prototype.keyFromPublic = function keyFromPublic(pub) {
|
|
return KeyPair.fromPublic(this, pub);
|
|
};
|
|
|
|
EDDSA.prototype.keyFromSecret = function keyFromSecret(secret) {
|
|
return KeyPair.fromSecret(this, secret);
|
|
};
|
|
|
|
EDDSA.prototype.makeSignature = function makeSignature(sig) {
|
|
if (sig instanceof Signature)
|
|
return sig;
|
|
return new Signature(this, sig);
|
|
};
|
|
|
|
/**
|
|
* * https://tools.ietf.org/html/draft-josefsson-eddsa-ed25519-03#section-5.2
|
|
*
|
|
* EDDSA defines methods for encoding and decoding points and integers. These are
|
|
* helper convenience methods, that pass along to utility functions implied
|
|
* parameters.
|
|
*
|
|
*/
|
|
EDDSA.prototype.encodePoint = function encodePoint(point) {
|
|
var enc = point.getY().toArray('le', this.encodingLength);
|
|
enc[this.encodingLength - 1] |= point.getX().isOdd() ? 0x80 : 0;
|
|
return enc;
|
|
};
|
|
|
|
EDDSA.prototype.decodePoint = function decodePoint(bytes) {
|
|
bytes = utils.parseBytes(bytes);
|
|
|
|
var lastIx = bytes.length - 1;
|
|
var normed = bytes.slice(0, lastIx).concat(bytes[lastIx] & ~0x80);
|
|
var xIsOdd = (bytes[lastIx] & 0x80) !== 0;
|
|
|
|
var y = utils.intFromLE(normed);
|
|
return this.curve.pointFromY(y, xIsOdd);
|
|
};
|
|
|
|
EDDSA.prototype.encodeInt = function encodeInt(num) {
|
|
return num.toArray('le', this.encodingLength);
|
|
};
|
|
|
|
EDDSA.prototype.decodeInt = function decodeInt(bytes) {
|
|
return utils.intFromLE(bytes);
|
|
};
|
|
|
|
EDDSA.prototype.isPoint = function isPoint(val) {
|
|
return val instanceof this.pointClass;
|
|
};
|
|
|
|
},{"../../elliptic":6,"./key":17,"./signature":18,"hash.js":24}],17:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var elliptic = require('../../elliptic');
|
|
var utils = elliptic.utils;
|
|
var assert = utils.assert;
|
|
var parseBytes = utils.parseBytes;
|
|
var cachedProperty = utils.cachedProperty;
|
|
|
|
/**
|
|
* @param {EDDSA} eddsa - instance
|
|
* @param {Object} params - public/private key parameters
|
|
*
|
|
* @param {Array<Byte>} [params.secret] - secret seed bytes
|
|
* @param {Point} [params.pub] - public key point (aka `A` in eddsa terms)
|
|
* @param {Array<Byte>} [params.pub] - public key point encoded as bytes
|
|
*
|
|
*/
|
|
function KeyPair(eddsa, params) {
|
|
this.eddsa = eddsa;
|
|
this._secret = parseBytes(params.secret);
|
|
if (eddsa.isPoint(params.pub))
|
|
this._pub = params.pub;
|
|
else
|
|
this._pubBytes = parseBytes(params.pub);
|
|
}
|
|
|
|
KeyPair.fromPublic = function fromPublic(eddsa, pub) {
|
|
if (pub instanceof KeyPair)
|
|
return pub;
|
|
return new KeyPair(eddsa, { pub: pub });
|
|
};
|
|
|
|
KeyPair.fromSecret = function fromSecret(eddsa, secret) {
|
|
if (secret instanceof KeyPair)
|
|
return secret;
|
|
return new KeyPair(eddsa, { secret: secret });
|
|
};
|
|
|
|
KeyPair.prototype.secret = function secret() {
|
|
return this._secret;
|
|
};
|
|
|
|
cachedProperty(KeyPair, 'pubBytes', function pubBytes() {
|
|
return this.eddsa.encodePoint(this.pub());
|
|
});
|
|
|
|
cachedProperty(KeyPair, 'pub', function pub() {
|
|
if (this._pubBytes)
|
|
return this.eddsa.decodePoint(this._pubBytes);
|
|
return this.eddsa.g.mul(this.priv());
|
|
});
|
|
|
|
cachedProperty(KeyPair, 'privBytes', function privBytes() {
|
|
var eddsa = this.eddsa;
|
|
var hash = this.hash();
|
|
var lastIx = eddsa.encodingLength - 1;
|
|
|
|
var a = hash.slice(0, eddsa.encodingLength);
|
|
a[0] &= 248;
|
|
a[lastIx] &= 127;
|
|
a[lastIx] |= 64;
|
|
|
|
return a;
|
|
});
|
|
|
|
cachedProperty(KeyPair, 'priv', function priv() {
|
|
return this.eddsa.decodeInt(this.privBytes());
|
|
});
|
|
|
|
cachedProperty(KeyPair, 'hash', function hash() {
|
|
return this.eddsa.hash().update(this.secret()).digest();
|
|
});
|
|
|
|
cachedProperty(KeyPair, 'messagePrefix', function messagePrefix() {
|
|
return this.hash().slice(this.eddsa.encodingLength);
|
|
});
|
|
|
|
KeyPair.prototype.sign = function sign(message) {
|
|
assert(this._secret, 'KeyPair can only verify');
|
|
return this.eddsa.sign(message, this);
|
|
};
|
|
|
|
KeyPair.prototype.verify = function verify(message, sig) {
|
|
return this.eddsa.verify(message, sig, this);
|
|
};
|
|
|
|
KeyPair.prototype.getSecret = function getSecret(enc) {
|
|
assert(this._secret, 'KeyPair is public only');
|
|
return utils.encode(this.secret(), enc);
|
|
};
|
|
|
|
KeyPair.prototype.getPublic = function getPublic(enc) {
|
|
return utils.encode(this.pubBytes(), enc);
|
|
};
|
|
|
|
module.exports = KeyPair;
|
|
|
|
},{"../../elliptic":6}],18:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var BN = require('bn.js');
|
|
var elliptic = require('../../elliptic');
|
|
var utils = elliptic.utils;
|
|
var assert = utils.assert;
|
|
var cachedProperty = utils.cachedProperty;
|
|
var parseBytes = utils.parseBytes;
|
|
|
|
/**
|
|
* @param {EDDSA} eddsa - eddsa instance
|
|
* @param {Array<Bytes>|Object} sig -
|
|
* @param {Array<Bytes>|Point} [sig.R] - R point as Point or bytes
|
|
* @param {Array<Bytes>|bn} [sig.S] - S scalar as bn or bytes
|
|
* @param {Array<Bytes>} [sig.Rencoded] - R point encoded
|
|
* @param {Array<Bytes>} [sig.Sencoded] - S scalar encoded
|
|
*/
|
|
function Signature(eddsa, sig) {
|
|
this.eddsa = eddsa;
|
|
|
|
if (typeof sig !== 'object')
|
|
sig = parseBytes(sig);
|
|
|
|
if (Array.isArray(sig)) {
|
|
sig = {
|
|
R: sig.slice(0, eddsa.encodingLength),
|
|
S: sig.slice(eddsa.encodingLength)
|
|
};
|
|
}
|
|
|
|
assert(sig.R && sig.S, 'Signature without R or S');
|
|
|
|
if (eddsa.isPoint(sig.R))
|
|
this._R = sig.R;
|
|
if (sig.S instanceof BN)
|
|
this._S = sig.S;
|
|
|
|
this._Rencoded = Array.isArray(sig.R) ? sig.R : sig.Rencoded;
|
|
this._Sencoded = Array.isArray(sig.S) ? sig.S : sig.Sencoded;
|
|
}
|
|
|
|
cachedProperty(Signature, 'S', function S() {
|
|
return this.eddsa.decodeInt(this.Sencoded());
|
|
});
|
|
|
|
cachedProperty(Signature, 'R', function R() {
|
|
return this.eddsa.decodePoint(this.Rencoded());
|
|
});
|
|
|
|
cachedProperty(Signature, 'Rencoded', function Rencoded() {
|
|
return this.eddsa.encodePoint(this.R());
|
|
});
|
|
|
|
cachedProperty(Signature, 'Sencoded', function Sencoded() {
|
|
return this.eddsa.encodeInt(this.S());
|
|
});
|
|
|
|
Signature.prototype.toBytes = function toBytes() {
|
|
return this.Rencoded().concat(this.Sencoded());
|
|
};
|
|
|
|
Signature.prototype.toHex = function toHex() {
|
|
return utils.encode(this.toBytes(), 'hex').toUpperCase();
|
|
};
|
|
|
|
module.exports = Signature;
|
|
|
|
},{"../../elliptic":6,"bn.js":22}],19:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var hash = require('hash.js');
|
|
var elliptic = require('../elliptic');
|
|
var utils = elliptic.utils;
|
|
var assert = utils.assert;
|
|
|
|
function HmacDRBG(options) {
|
|
if (!(this instanceof HmacDRBG))
|
|
return new HmacDRBG(options);
|
|
this.hash = options.hash;
|
|
this.predResist = !!options.predResist;
|
|
|
|
this.outLen = this.hash.outSize;
|
|
this.minEntropy = options.minEntropy || this.hash.hmacStrength;
|
|
|
|
this.reseed = null;
|
|
this.reseedInterval = null;
|
|
this.K = null;
|
|
this.V = null;
|
|
|
|
var entropy = utils.toArray(options.entropy, options.entropyEnc);
|
|
var nonce = utils.toArray(options.nonce, options.nonceEnc);
|
|
var pers = utils.toArray(options.pers, options.persEnc);
|
|
assert(entropy.length >= (this.minEntropy / 8),
|
|
'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
|
|
this._init(entropy, nonce, pers);
|
|
}
|
|
module.exports = HmacDRBG;
|
|
|
|
HmacDRBG.prototype._init = function init(entropy, nonce, pers) {
|
|
var seed = entropy.concat(nonce).concat(pers);
|
|
|
|
this.K = new Array(this.outLen / 8);
|
|
this.V = new Array(this.outLen / 8);
|
|
for (var i = 0; i < this.V.length; i++) {
|
|
this.K[i] = 0x00;
|
|
this.V[i] = 0x01;
|
|
}
|
|
|
|
this._update(seed);
|
|
this.reseed = 1;
|
|
this.reseedInterval = 0x1000000000000; // 2^48
|
|
};
|
|
|
|
HmacDRBG.prototype._hmac = function hmac() {
|
|
return new hash.hmac(this.hash, this.K);
|
|
};
|
|
|
|
HmacDRBG.prototype._update = function update(seed) {
|
|
var kmac = this._hmac()
|
|
.update(this.V)
|
|
.update([ 0x00 ]);
|
|
if (seed)
|
|
kmac = kmac.update(seed);
|
|
this.K = kmac.digest();
|
|
this.V = this._hmac().update(this.V).digest();
|
|
if (!seed)
|
|
return;
|
|
|
|
this.K = this._hmac()
|
|
.update(this.V)
|
|
.update([ 0x01 ])
|
|
.update(seed)
|
|
.digest();
|
|
this.V = this._hmac().update(this.V).digest();
|
|
};
|
|
|
|
HmacDRBG.prototype.reseed = function reseed(entropy, entropyEnc, add, addEnc) {
|
|
// Optional entropy enc
|
|
if (typeof entropyEnc !== 'string') {
|
|
addEnc = add;
|
|
add = entropyEnc;
|
|
entropyEnc = null;
|
|
}
|
|
|
|
entropy = utils.toBuffer(entropy, entropyEnc);
|
|
add = utils.toBuffer(add, addEnc);
|
|
|
|
assert(entropy.length >= (this.minEntropy / 8),
|
|
'Not enough entropy. Minimum is: ' + this.minEntropy + ' bits');
|
|
|
|
this._update(entropy.concat(add || []));
|
|
this.reseed = 1;
|
|
};
|
|
|
|
HmacDRBG.prototype.generate = function generate(len, enc, add, addEnc) {
|
|
if (this.reseed > this.reseedInterval)
|
|
throw new Error('Reseed is required');
|
|
|
|
// Optional encoding
|
|
if (typeof enc !== 'string') {
|
|
addEnc = add;
|
|
add = enc;
|
|
enc = null;
|
|
}
|
|
|
|
// Optional additional data
|
|
if (add) {
|
|
add = utils.toArray(add, addEnc);
|
|
this._update(add);
|
|
}
|
|
|
|
var temp = [];
|
|
while (temp.length < len) {
|
|
this.V = this._hmac().update(this.V).digest();
|
|
temp = temp.concat(this.V);
|
|
}
|
|
|
|
var res = temp.slice(0, len);
|
|
this._update(add);
|
|
this.reseed++;
|
|
return utils.encode(res, enc);
|
|
};
|
|
|
|
},{"../elliptic":6,"hash.js":24}],20:[function(require,module,exports){
|
|
module.exports = {
|
|
doubles: {
|
|
step: 4,
|
|
points: [
|
|
[
|
|
'e60fce93b59e9ec53011aabc21c23e97b2a31369b87a5ae9c44ee89e2a6dec0a',
|
|
'f7e3507399e595929db99f34f57937101296891e44d23f0be1f32cce69616821'
|
|
],
|
|
[
|
|
'8282263212c609d9ea2a6e3e172de238d8c39cabd5ac1ca10646e23fd5f51508',
|
|
'11f8a8098557dfe45e8256e830b60ace62d613ac2f7b17bed31b6eaff6e26caf'
|
|
],
|
|
[
|
|
'175e159f728b865a72f99cc6c6fc846de0b93833fd2222ed73fce5b551e5b739',
|
|
'd3506e0d9e3c79eba4ef97a51ff71f5eacb5955add24345c6efa6ffee9fed695'
|
|
],
|
|
[
|
|
'363d90d447b00c9c99ceac05b6262ee053441c7e55552ffe526bad8f83ff4640',
|
|
'4e273adfc732221953b445397f3363145b9a89008199ecb62003c7f3bee9de9'
|
|
],
|
|
[
|
|
'8b4b5f165df3c2be8c6244b5b745638843e4a781a15bcd1b69f79a55dffdf80c',
|
|
'4aad0a6f68d308b4b3fbd7813ab0da04f9e336546162ee56b3eff0c65fd4fd36'
|
|
],
|
|
[
|
|
'723cbaa6e5db996d6bf771c00bd548c7b700dbffa6c0e77bcb6115925232fcda',
|
|
'96e867b5595cc498a921137488824d6e2660a0653779494801dc069d9eb39f5f'
|
|
],
|
|
[
|
|
'eebfa4d493bebf98ba5feec812c2d3b50947961237a919839a533eca0e7dd7fa',
|
|
'5d9a8ca3970ef0f269ee7edaf178089d9ae4cdc3a711f712ddfd4fdae1de8999'
|
|
],
|
|
[
|
|
'100f44da696e71672791d0a09b7bde459f1215a29b3c03bfefd7835b39a48db0',
|
|
'cdd9e13192a00b772ec8f3300c090666b7ff4a18ff5195ac0fbd5cd62bc65a09'
|
|
],
|
|
[
|
|
'e1031be262c7ed1b1dc9227a4a04c017a77f8d4464f3b3852c8acde6e534fd2d',
|
|
'9d7061928940405e6bb6a4176597535af292dd419e1ced79a44f18f29456a00d'
|
|
],
|
|
[
|
|
'feea6cae46d55b530ac2839f143bd7ec5cf8b266a41d6af52d5e688d9094696d',
|
|
'e57c6b6c97dce1bab06e4e12bf3ecd5c981c8957cc41442d3155debf18090088'
|
|
],
|
|
[
|
|
'da67a91d91049cdcb367be4be6ffca3cfeed657d808583de33fa978bc1ec6cb1',
|
|
'9bacaa35481642bc41f463f7ec9780e5dec7adc508f740a17e9ea8e27a68be1d'
|
|
],
|
|
[
|
|
'53904faa0b334cdda6e000935ef22151ec08d0f7bb11069f57545ccc1a37b7c0',
|
|
'5bc087d0bc80106d88c9eccac20d3c1c13999981e14434699dcb096b022771c8'
|
|
],
|
|
[
|
|
'8e7bcd0bd35983a7719cca7764ca906779b53a043a9b8bcaeff959f43ad86047',
|
|
'10b7770b2a3da4b3940310420ca9514579e88e2e47fd68b3ea10047e8460372a'
|
|
],
|
|
[
|
|
'385eed34c1cdff21e6d0818689b81bde71a7f4f18397e6690a841e1599c43862',
|
|
'283bebc3e8ea23f56701de19e9ebf4576b304eec2086dc8cc0458fe5542e5453'
|
|
],
|
|
[
|
|
'6f9d9b803ecf191637c73a4413dfa180fddf84a5947fbc9c606ed86c3fac3a7',
|
|
'7c80c68e603059ba69b8e2a30e45c4d47ea4dd2f5c281002d86890603a842160'
|
|
],
|
|
[
|
|
'3322d401243c4e2582a2147c104d6ecbf774d163db0f5e5313b7e0e742d0e6bd',
|
|
'56e70797e9664ef5bfb019bc4ddaf9b72805f63ea2873af624f3a2e96c28b2a0'
|
|
],
|
|
[
|
|
'85672c7d2de0b7da2bd1770d89665868741b3f9af7643397721d74d28134ab83',
|
|
'7c481b9b5b43b2eb6374049bfa62c2e5e77f17fcc5298f44c8e3094f790313a6'
|
|
],
|
|
[
|
|
'948bf809b1988a46b06c9f1919413b10f9226c60f668832ffd959af60c82a0a',
|
|
'53a562856dcb6646dc6b74c5d1c3418c6d4dff08c97cd2bed4cb7f88d8c8e589'
|
|
],
|
|
[
|
|
'6260ce7f461801c34f067ce0f02873a8f1b0e44dfc69752accecd819f38fd8e8',
|
|
'bc2da82b6fa5b571a7f09049776a1ef7ecd292238051c198c1a84e95b2b4ae17'
|
|
],
|
|
[
|
|
'e5037de0afc1d8d43d8348414bbf4103043ec8f575bfdc432953cc8d2037fa2d',
|
|
'4571534baa94d3b5f9f98d09fb990bddbd5f5b03ec481f10e0e5dc841d755bda'
|
|
],
|
|
[
|
|
'e06372b0f4a207adf5ea905e8f1771b4e7e8dbd1c6a6c5b725866a0ae4fce725',
|
|
'7a908974bce18cfe12a27bb2ad5a488cd7484a7787104870b27034f94eee31dd'
|
|
],
|
|
[
|
|
'213c7a715cd5d45358d0bbf9dc0ce02204b10bdde2a3f58540ad6908d0559754',
|
|
'4b6dad0b5ae462507013ad06245ba190bb4850f5f36a7eeddff2c27534b458f2'
|
|
],
|
|
[
|
|
'4e7c272a7af4b34e8dbb9352a5419a87e2838c70adc62cddf0cc3a3b08fbd53c',
|
|
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'cdb559eedc2d79f926baf44fb84ea4d44bcf50fee51d7ceb30e2e7f463036758'
|
|
],
|
|
[
|
|
'52db0b5384dfbf05bfa9d472d7ae26dfe4b851ceca91b1eba54263180da32b63',
|
|
'c3b997d050ee5d423ebaf66a6db9f57b3180c902875679de924b69d84a7b375'
|
|
],
|
|
[
|
|
'e62f9490d3d51da6395efd24e80919cc7d0f29c3f3fa48c6fff543becbd43352',
|
|
'6d89ad7ba4876b0b22c2ca280c682862f342c8591f1daf5170e07bfd9ccafa7d'
|
|
],
|
|
[
|
|
'7f30ea2476b399b4957509c88f77d0191afa2ff5cb7b14fd6d8e7d65aaab1193',
|
|
'ca5ef7d4b231c94c3b15389a5f6311e9daff7bb67b103e9880ef4bff637acaec'
|
|
],
|
|
[
|
|
'5098ff1e1d9f14fb46a210fada6c903fef0fb7b4a1dd1d9ac60a0361800b7a00',
|
|
'9731141d81fc8f8084d37c6e7542006b3ee1b40d60dfe5362a5b132fd17ddc0'
|
|
],
|
|
[
|
|
'32b78c7de9ee512a72895be6b9cbefa6e2f3c4ccce445c96b9f2c81e2778ad58',
|
|
'ee1849f513df71e32efc3896ee28260c73bb80547ae2275ba497237794c8753c'
|
|
],
|
|
[
|
|
'e2cb74fddc8e9fbcd076eef2a7c72b0ce37d50f08269dfc074b581550547a4f7',
|
|
'd3aa2ed71c9dd2247a62df062736eb0baddea9e36122d2be8641abcb005cc4a4'
|
|
],
|
|
[
|
|
'8438447566d4d7bedadc299496ab357426009a35f235cb141be0d99cd10ae3a8',
|
|
'c4e1020916980a4da5d01ac5e6ad330734ef0d7906631c4f2390426b2edd791f'
|
|
],
|
|
[
|
|
'4162d488b89402039b584c6fc6c308870587d9c46f660b878ab65c82c711d67e',
|
|
'67163e903236289f776f22c25fb8a3afc1732f2b84b4e95dbda47ae5a0852649'
|
|
],
|
|
[
|
|
'3fad3fa84caf0f34f0f89bfd2dcf54fc175d767aec3e50684f3ba4a4bf5f683d',
|
|
'cd1bc7cb6cc407bb2f0ca647c718a730cf71872e7d0d2a53fa20efcdfe61826'
|
|
],
|
|
[
|
|
'674f2600a3007a00568c1a7ce05d0816c1fb84bf1370798f1c69532faeb1a86b',
|
|
'299d21f9413f33b3edf43b257004580b70db57da0b182259e09eecc69e0d38a5'
|
|
],
|
|
[
|
|
'd32f4da54ade74abb81b815ad1fb3b263d82d6c692714bcff87d29bd5ee9f08f',
|
|
'f9429e738b8e53b968e99016c059707782e14f4535359d582fc416910b3eea87'
|
|
],
|
|
[
|
|
'30e4e670435385556e593657135845d36fbb6931f72b08cb1ed954f1e3ce3ff6',
|
|
'462f9bce619898638499350113bbc9b10a878d35da70740dc695a559eb88db7b'
|
|
],
|
|
[
|
|
'be2062003c51cc3004682904330e4dee7f3dcd10b01e580bf1971b04d4cad297',
|
|
'62188bc49d61e5428573d48a74e1c655b1c61090905682a0d5558ed72dccb9bc'
|
|
],
|
|
[
|
|
'93144423ace3451ed29e0fb9ac2af211cb6e84a601df5993c419859fff5df04a',
|
|
'7c10dfb164c3425f5c71a3f9d7992038f1065224f72bb9d1d902a6d13037b47c'
|
|
],
|
|
[
|
|
'b015f8044f5fcbdcf21ca26d6c34fb8197829205c7b7d2a7cb66418c157b112c',
|
|
'ab8c1e086d04e813744a655b2df8d5f83b3cdc6faa3088c1d3aea1454e3a1d5f'
|
|
],
|
|
[
|
|
'd5e9e1da649d97d89e4868117a465a3a4f8a18de57a140d36b3f2af341a21b52',
|
|
'4cb04437f391ed73111a13cc1d4dd0db1693465c2240480d8955e8592f27447a'
|
|
],
|
|
[
|
|
'd3ae41047dd7ca065dbf8ed77b992439983005cd72e16d6f996a5316d36966bb',
|
|
'bd1aeb21ad22ebb22a10f0303417c6d964f8cdd7df0aca614b10dc14d125ac46'
|
|
],
|
|
[
|
|
'463e2763d885f958fc66cdd22800f0a487197d0a82e377b49f80af87c897b065',
|
|
'bfefacdb0e5d0fd7df3a311a94de062b26b80c61fbc97508b79992671ef7ca7f'
|
|
],
|
|
[
|
|
'7985fdfd127c0567c6f53ec1bb63ec3158e597c40bfe747c83cddfc910641917',
|
|
'603c12daf3d9862ef2b25fe1de289aed24ed291e0ec6708703a5bd567f32ed03'
|
|
],
|
|
[
|
|
'74a1ad6b5f76e39db2dd249410eac7f99e74c59cb83d2d0ed5ff1543da7703e9',
|
|
'cc6157ef18c9c63cd6193d83631bbea0093e0968942e8c33d5737fd790e0db08'
|
|
],
|
|
[
|
|
'30682a50703375f602d416664ba19b7fc9bab42c72747463a71d0896b22f6da3',
|
|
'553e04f6b018b4fa6c8f39e7f311d3176290d0e0f19ca73f17714d9977a22ff8'
|
|
],
|
|
[
|
|
'9e2158f0d7c0d5f26c3791efefa79597654e7a2b2464f52b1ee6c1347769ef57',
|
|
'712fcdd1b9053f09003a3481fa7762e9ffd7c8ef35a38509e2fbf2629008373'
|
|
],
|
|
[
|
|
'176e26989a43c9cfeba4029c202538c28172e566e3c4fce7322857f3be327d66',
|
|
'ed8cc9d04b29eb877d270b4878dc43c19aefd31f4eee09ee7b47834c1fa4b1c3'
|
|
],
|
|
[
|
|
'75d46efea3771e6e68abb89a13ad747ecf1892393dfc4f1b7004788c50374da8',
|
|
'9852390a99507679fd0b86fd2b39a868d7efc22151346e1a3ca4726586a6bed8'
|
|
],
|
|
[
|
|
'809a20c67d64900ffb698c4c825f6d5f2310fb0451c869345b7319f645605721',
|
|
'9e994980d9917e22b76b061927fa04143d096ccc54963e6a5ebfa5f3f8e286c1'
|
|
],
|
|
[
|
|
'1b38903a43f7f114ed4500b4eac7083fdefece1cf29c63528d563446f972c180',
|
|
'4036edc931a60ae889353f77fd53de4a2708b26b6f5da72ad3394119daf408f9'
|
|
]
|
|
]
|
|
}
|
|
};
|
|
|
|
},{}],21:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var utils = exports;
|
|
var BN = require('bn.js');
|
|
|
|
utils.assert = function assert(val, msg) {
|
|
if (!val)
|
|
throw new Error(msg || 'Assertion failed');
|
|
};
|
|
|
|
function toArray(msg, enc) {
|
|
if (Array.isArray(msg))
|
|
return msg.slice();
|
|
if (!msg)
|
|
return [];
|
|
var res = [];
|
|
if (typeof msg !== 'string') {
|
|
for (var i = 0; i < msg.length; i++)
|
|
res[i] = msg[i] | 0;
|
|
return res;
|
|
}
|
|
if (!enc) {
|
|
for (var i = 0; i < msg.length; i++) {
|
|
var c = msg.charCodeAt(i);
|
|
var hi = c >> 8;
|
|
var lo = c & 0xff;
|
|
if (hi)
|
|
res.push(hi, lo);
|
|
else
|
|
res.push(lo);
|
|
}
|
|
} else if (enc === 'hex') {
|
|
msg = msg.replace(/[^a-z0-9]+/ig, '');
|
|
if (msg.length % 2 !== 0)
|
|
msg = '0' + msg;
|
|
for (var i = 0; i < msg.length; i += 2)
|
|
res.push(parseInt(msg[i] + msg[i + 1], 16));
|
|
}
|
|
return res;
|
|
}
|
|
utils.toArray = toArray;
|
|
|
|
function zero2(word) {
|
|
if (word.length === 1)
|
|
return '0' + word;
|
|
else
|
|
return word;
|
|
}
|
|
utils.zero2 = zero2;
|
|
|
|
function toHex(msg) {
|
|
var res = '';
|
|
for (var i = 0; i < msg.length; i++)
|
|
res += zero2(msg[i].toString(16));
|
|
return res;
|
|
}
|
|
utils.toHex = toHex;
|
|
|
|
utils.encode = function encode(arr, enc) {
|
|
if (enc === 'hex')
|
|
return toHex(arr);
|
|
else
|
|
return arr;
|
|
};
|
|
|
|
// Represent num in a w-NAF form
|
|
function getNAF(num, w) {
|
|
var naf = [];
|
|
var ws = 1 << (w + 1);
|
|
var k = num.clone();
|
|
while (k.cmpn(1) >= 0) {
|
|
var z;
|
|
if (k.isOdd()) {
|
|
var mod = k.andln(ws - 1);
|
|
if (mod > (ws >> 1) - 1)
|
|
z = (ws >> 1) - mod;
|
|
else
|
|
z = mod;
|
|
k.isubn(z);
|
|
} else {
|
|
z = 0;
|
|
}
|
|
naf.push(z);
|
|
|
|
// Optimization, shift by word if possible
|
|
var shift = (k.cmpn(0) !== 0 && k.andln(ws - 1) === 0) ? (w + 1) : 1;
|
|
for (var i = 1; i < shift; i++)
|
|
naf.push(0);
|
|
k.iushrn(shift);
|
|
}
|
|
|
|
return naf;
|
|
}
|
|
utils.getNAF = getNAF;
|
|
|
|
// Represent k1, k2 in a Joint Sparse Form
|
|
function getJSF(k1, k2) {
|
|
var jsf = [
|
|
[],
|
|
[]
|
|
];
|
|
|
|
k1 = k1.clone();
|
|
k2 = k2.clone();
|
|
var d1 = 0;
|
|
var d2 = 0;
|
|
while (k1.cmpn(-d1) > 0 || k2.cmpn(-d2) > 0) {
|
|
|
|
// First phase
|
|
var m14 = (k1.andln(3) + d1) & 3;
|
|
var m24 = (k2.andln(3) + d2) & 3;
|
|
if (m14 === 3)
|
|
m14 = -1;
|
|
if (m24 === 3)
|
|
m24 = -1;
|
|
var u1;
|
|
if ((m14 & 1) === 0) {
|
|
u1 = 0;
|
|
} else {
|
|
var m8 = (k1.andln(7) + d1) & 7;
|
|
if ((m8 === 3 || m8 === 5) && m24 === 2)
|
|
u1 = -m14;
|
|
else
|
|
u1 = m14;
|
|
}
|
|
jsf[0].push(u1);
|
|
|
|
var u2;
|
|
if ((m24 & 1) === 0) {
|
|
u2 = 0;
|
|
} else {
|
|
var m8 = (k2.andln(7) + d2) & 7;
|
|
if ((m8 === 3 || m8 === 5) && m14 === 2)
|
|
u2 = -m24;
|
|
else
|
|
u2 = m24;
|
|
}
|
|
jsf[1].push(u2);
|
|
|
|
// Second phase
|
|
if (2 * d1 === u1 + 1)
|
|
d1 = 1 - d1;
|
|
if (2 * d2 === u2 + 1)
|
|
d2 = 1 - d2;
|
|
k1.iushrn(1);
|
|
k2.iushrn(1);
|
|
}
|
|
|
|
return jsf;
|
|
}
|
|
utils.getJSF = getJSF;
|
|
|
|
function cachedProperty(obj, name, computer) {
|
|
var key = '_' + name;
|
|
obj.prototype[name] = function cachedProperty() {
|
|
return this[key] !== undefined ? this[key] :
|
|
this[key] = computer.call(this);
|
|
};
|
|
}
|
|
utils.cachedProperty = cachedProperty;
|
|
|
|
function parseBytes(bytes) {
|
|
return typeof bytes === 'string' ? utils.toArray(bytes, 'hex') :
|
|
bytes;
|
|
}
|
|
utils.parseBytes = parseBytes;
|
|
|
|
function intFromLE(bytes) {
|
|
return new BN(bytes, 'hex', 'le');
|
|
}
|
|
utils.intFromLE = intFromLE;
|
|
|
|
|
|
},{"bn.js":22}],22:[function(require,module,exports){
|
|
(function (module, exports) {
|
|
'use strict';
|
|
|
|
// Utils
|
|
function assert (val, msg) {
|
|
if (!val) throw new Error(msg || 'Assertion failed');
|
|
}
|
|
|
|
// Could use `inherits` module, but don't want to move from single file
|
|
// architecture yet.
|
|
function inherits (ctor, superCtor) {
|
|
ctor.super_ = superCtor;
|
|
var TempCtor = function () {};
|
|
TempCtor.prototype = superCtor.prototype;
|
|
ctor.prototype = new TempCtor();
|
|
ctor.prototype.constructor = ctor;
|
|
}
|
|
|
|
// BN
|
|
|
|
function BN (number, base, endian) {
|
|
if (BN.isBN(number)) {
|
|
return number;
|
|
}
|
|
|
|
this.negative = 0;
|
|
this.words = null;
|
|
this.length = 0;
|
|
|
|
// Reduction context
|
|
this.red = null;
|
|
|
|
if (number !== null) {
|
|
if (base === 'le' || base === 'be') {
|
|
endian = base;
|
|
base = 10;
|
|
}
|
|
|
|
this._init(number || 0, base || 10, endian || 'be');
|
|
}
|
|
}
|
|
if (typeof module === 'object') {
|
|
module.exports = BN;
|
|
} else {
|
|
exports.BN = BN;
|
|
}
|
|
|
|
BN.BN = BN;
|
|
BN.wordSize = 26;
|
|
|
|
var Buffer;
|
|
try {
|
|
Buffer = require('buf' + 'fer').Buffer;
|
|
} catch (e) {
|
|
}
|
|
|
|
BN.isBN = function isBN (num) {
|
|
if (num instanceof BN) {
|
|
return true;
|
|
}
|
|
|
|
return num !== null && typeof num === 'object' &&
|
|
num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
|
|
};
|
|
|
|
BN.max = function max (left, right) {
|
|
if (left.cmp(right) > 0) return left;
|
|
return right;
|
|
};
|
|
|
|
BN.min = function min (left, right) {
|
|
if (left.cmp(right) < 0) return left;
|
|
return right;
|
|
};
|
|
|
|
BN.prototype._init = function init (number, base, endian) {
|
|
if (typeof number === 'number') {
|
|
return this._initNumber(number, base, endian);
|
|
}
|
|
|
|
if (typeof number === 'object') {
|
|
return this._initArray(number, base, endian);
|
|
}
|
|
|
|
if (base === 'hex') {
|
|
base = 16;
|
|
}
|
|
assert(base === (base | 0) && base >= 2 && base <= 36);
|
|
|
|
number = number.toString().replace(/\s+/g, '');
|
|
var start = 0;
|
|
if (number[0] === '-') {
|
|
start++;
|
|
}
|
|
|
|
if (base === 16) {
|
|
this._parseHex(number, start);
|
|
} else {
|
|
this._parseBase(number, base, start);
|
|
}
|
|
|
|
if (number[0] === '-') {
|
|
this.negative = 1;
|
|
}
|
|
|
|
this.strip();
|
|
|
|
if (endian !== 'le') return;
|
|
|
|
this._initArray(this.toArray(), base, endian);
|
|
};
|
|
|
|
BN.prototype._initNumber = function _initNumber (number, base, endian) {
|
|
if (number < 0) {
|
|
this.negative = 1;
|
|
number = -number;
|
|
}
|
|
if (number < 0x4000000) {
|
|
this.words = [ number & 0x3ffffff ];
|
|
this.length = 1;
|
|
} else if (number < 0x10000000000000) {
|
|
this.words = [
|
|
number & 0x3ffffff,
|
|
(number / 0x4000000) & 0x3ffffff
|
|
];
|
|
this.length = 2;
|
|
} else {
|
|
assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
|
|
this.words = [
|
|
number & 0x3ffffff,
|
|
(number / 0x4000000) & 0x3ffffff,
|
|
1
|
|
];
|
|
this.length = 3;
|
|
}
|
|
|
|
if (endian !== 'le') return;
|
|
|
|
// Reverse the bytes
|
|
this._initArray(this.toArray(), base, endian);
|
|
};
|
|
|
|
BN.prototype._initArray = function _initArray (number, base, endian) {
|
|
// Perhaps a Uint8Array
|
|
assert(typeof number.length === 'number');
|
|
if (number.length <= 0) {
|
|
this.words = [ 0 ];
|
|
this.length = 1;
|
|
return this;
|
|
}
|
|
|
|
this.length = Math.ceil(number.length / 3);
|
|
this.words = new Array(this.length);
|
|
for (var i = 0; i < this.length; i++) {
|
|
this.words[i] = 0;
|
|
}
|
|
|
|
var j, w;
|
|
var off = 0;
|
|
if (endian === 'be') {
|
|
for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
|
|
w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
|
|
this.words[j] |= (w << off) & 0x3ffffff;
|
|
this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
|
|
off += 24;
|
|
if (off >= 26) {
|
|
off -= 26;
|
|
j++;
|
|
}
|
|
}
|
|
} else if (endian === 'le') {
|
|
for (i = 0, j = 0; i < number.length; i += 3) {
|
|
w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
|
|
this.words[j] |= (w << off) & 0x3ffffff;
|
|
this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
|
|
off += 24;
|
|
if (off >= 26) {
|
|
off -= 26;
|
|
j++;
|
|
}
|
|
}
|
|
}
|
|
return this.strip();
|
|
};
|
|
|
|
function parseHex (str, start, end) {
|
|
var r = 0;
|
|
var len = Math.min(str.length, end);
|
|
for (var i = start; i < len; i++) {
|
|
var c = str.charCodeAt(i) - 48;
|
|
|
|
r <<= 4;
|
|
|
|
// 'a' - 'f'
|
|
if (c >= 49 && c <= 54) {
|
|
r |= c - 49 + 0xa;
|
|
|
|
// 'A' - 'F'
|
|
} else if (c >= 17 && c <= 22) {
|
|
r |= c - 17 + 0xa;
|
|
|
|
// '0' - '9'
|
|
} else {
|
|
r |= c & 0xf;
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
BN.prototype._parseHex = function _parseHex (number, start) {
|
|
// Create possibly bigger array to ensure that it fits the number
|
|
this.length = Math.ceil((number.length - start) / 6);
|
|
this.words = new Array(this.length);
|
|
for (var i = 0; i < this.length; i++) {
|
|
this.words[i] = 0;
|
|
}
|
|
|
|
var j, w;
|
|
// Scan 24-bit chunks and add them to the number
|
|
var off = 0;
|
|
for (i = number.length - 6, j = 0; i >= start; i -= 6) {
|
|
w = parseHex(number, i, i + 6);
|
|
this.words[j] |= (w << off) & 0x3ffffff;
|
|
// NOTE: `0x3fffff` is intentional here, 26bits max shift + 24bit hex limb
|
|
this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
|
|
off += 24;
|
|
if (off >= 26) {
|
|
off -= 26;
|
|
j++;
|
|
}
|
|
}
|
|
if (i + 6 !== start) {
|
|
w = parseHex(number, start, i + 6);
|
|
this.words[j] |= (w << off) & 0x3ffffff;
|
|
this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
|
|
}
|
|
this.strip();
|
|
};
|
|
|
|
function parseBase (str, start, end, mul) {
|
|
var r = 0;
|
|
var len = Math.min(str.length, end);
|
|
for (var i = start; i < len; i++) {
|
|
var c = str.charCodeAt(i) - 48;
|
|
|
|
r *= mul;
|
|
|
|
// 'a'
|
|
if (c >= 49) {
|
|
r += c - 49 + 0xa;
|
|
|
|
// 'A'
|
|
} else if (c >= 17) {
|
|
r += c - 17 + 0xa;
|
|
|
|
// '0' - '9'
|
|
} else {
|
|
r += c;
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
BN.prototype._parseBase = function _parseBase (number, base, start) {
|
|
// Initialize as zero
|
|
this.words = [ 0 ];
|
|
this.length = 1;
|
|
|
|
// Find length of limb in base
|
|
for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
|
|
limbLen++;
|
|
}
|
|
limbLen--;
|
|
limbPow = (limbPow / base) | 0;
|
|
|
|
var total = number.length - start;
|
|
var mod = total % limbLen;
|
|
var end = Math.min(total, total - mod) + start;
|
|
|
|
var word = 0;
|
|
for (var i = start; i < end; i += limbLen) {
|
|
word = parseBase(number, i, i + limbLen, base);
|
|
|
|
this.imuln(limbPow);
|
|
if (this.words[0] + word < 0x4000000) {
|
|
this.words[0] += word;
|
|
} else {
|
|
this._iaddn(word);
|
|
}
|
|
}
|
|
|
|
if (mod !== 0) {
|
|
var pow = 1;
|
|
word = parseBase(number, i, number.length, base);
|
|
|
|
for (i = 0; i < mod; i++) {
|
|
pow *= base;
|
|
}
|
|
|
|
this.imuln(pow);
|
|
if (this.words[0] + word < 0x4000000) {
|
|
this.words[0] += word;
|
|
} else {
|
|
this._iaddn(word);
|
|
}
|
|
}
|
|
};
|
|
|
|
BN.prototype.copy = function copy (dest) {
|
|
dest.words = new Array(this.length);
|
|
for (var i = 0; i < this.length; i++) {
|
|
dest.words[i] = this.words[i];
|
|
}
|
|
dest.length = this.length;
|
|
dest.negative = this.negative;
|
|
dest.red = this.red;
|
|
};
|
|
|
|
BN.prototype.clone = function clone () {
|
|
var r = new BN(null);
|
|
this.copy(r);
|
|
return r;
|
|
};
|
|
|
|
BN.prototype._expand = function _expand (size) {
|
|
while (this.length < size) {
|
|
this.words[this.length++] = 0;
|
|
}
|
|
return this;
|
|
};
|
|
|
|
// Remove leading `0` from `this`
|
|
BN.prototype.strip = function strip () {
|
|
while (this.length > 1 && this.words[this.length - 1] === 0) {
|
|
this.length--;
|
|
}
|
|
return this._normSign();
|
|
};
|
|
|
|
BN.prototype._normSign = function _normSign () {
|
|
// -0 = 0
|
|
if (this.length === 1 && this.words[0] === 0) {
|
|
this.negative = 0;
|
|
}
|
|
return this;
|
|
};
|
|
|
|
BN.prototype.inspect = function inspect () {
|
|
return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
|
|
};
|
|
|
|
/*
|
|
|
|
var zeros = [];
|
|
var groupSizes = [];
|
|
var groupBases = [];
|
|
|
|
var s = '';
|
|
var i = -1;
|
|
while (++i < BN.wordSize) {
|
|
zeros[i] = s;
|
|
s += '0';
|
|
}
|
|
groupSizes[0] = 0;
|
|
groupSizes[1] = 0;
|
|
groupBases[0] = 0;
|
|
groupBases[1] = 0;
|
|
var base = 2 - 1;
|
|
while (++base < 36 + 1) {
|
|
var groupSize = 0;
|
|
var groupBase = 1;
|
|
while (groupBase < (1 << BN.wordSize) / base) {
|
|
groupBase *= base;
|
|
groupSize += 1;
|
|
}
|
|
groupSizes[base] = groupSize;
|
|
groupBases[base] = groupBase;
|
|
}
|
|
|
|
*/
|
|
|
|
var zeros = [
|
|
'',
|
|
'0',
|
|
'00',
|
|
'000',
|
|
'0000',
|
|
'00000',
|
|
'000000',
|
|
'0000000',
|
|
'00000000',
|
|
'000000000',
|
|
'0000000000',
|
|
'00000000000',
|
|
'000000000000',
|
|
'0000000000000',
|
|
'00000000000000',
|
|
'000000000000000',
|
|
'0000000000000000',
|
|
'00000000000000000',
|
|
'000000000000000000',
|
|
'0000000000000000000',
|
|
'00000000000000000000',
|
|
'000000000000000000000',
|
|
'0000000000000000000000',
|
|
'00000000000000000000000',
|
|
'000000000000000000000000',
|
|
'0000000000000000000000000'
|
|
];
|
|
|
|
var groupSizes = [
|
|
0, 0,
|
|
25, 16, 12, 11, 10, 9, 8,
|
|
8, 7, 7, 7, 7, 6, 6,
|
|
6, 6, 6, 6, 6, 5, 5,
|
|
5, 5, 5, 5, 5, 5, 5,
|
|
5, 5, 5, 5, 5, 5, 5
|
|
];
|
|
|
|
var groupBases = [
|
|
0, 0,
|
|
33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
|
|
43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
|
|
16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
|
|
6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
|
|
24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
|
|
];
|
|
|
|
BN.prototype.toString = function toString (base, padding) {
|
|
base = base || 10;
|
|
padding = padding | 0 || 1;
|
|
|
|
var out;
|
|
if (base === 16 || base === 'hex') {
|
|
out = '';
|
|
var off = 0;
|
|
var carry = 0;
|
|
for (var i = 0; i < this.length; i++) {
|
|
var w = this.words[i];
|
|
var word = (((w << off) | carry) & 0xffffff).toString(16);
|
|
carry = (w >>> (24 - off)) & 0xffffff;
|
|
if (carry !== 0 || i !== this.length - 1) {
|
|
out = zeros[6 - word.length] + word + out;
|
|
} else {
|
|
out = word + out;
|
|
}
|
|
off += 2;
|
|
if (off >= 26) {
|
|
off -= 26;
|
|
i--;
|
|
}
|
|
}
|
|
if (carry !== 0) {
|
|
out = carry.toString(16) + out;
|
|
}
|
|
while (out.length % padding !== 0) {
|
|
out = '0' + out;
|
|
}
|
|
if (this.negative !== 0) {
|
|
out = '-' + out;
|
|
}
|
|
return out;
|
|
}
|
|
|
|
if (base === (base | 0) && base >= 2 && base <= 36) {
|
|
// var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
|
|
var groupSize = groupSizes[base];
|
|
// var groupBase = Math.pow(base, groupSize);
|
|
var groupBase = groupBases[base];
|
|
out = '';
|
|
var c = this.clone();
|
|
c.negative = 0;
|
|
while (!c.isZero()) {
|
|
var r = c.modn(groupBase).toString(base);
|
|
c = c.idivn(groupBase);
|
|
|
|
if (!c.isZero()) {
|
|
out = zeros[groupSize - r.length] + r + out;
|
|
} else {
|
|
out = r + out;
|
|
}
|
|
}
|
|
if (this.isZero()) {
|
|
out = '0' + out;
|
|
}
|
|
while (out.length % padding !== 0) {
|
|
out = '0' + out;
|
|
}
|
|
if (this.negative !== 0) {
|
|
out = '-' + out;
|
|
}
|
|
return out;
|
|
}
|
|
|
|
assert(false, 'Base should be between 2 and 36');
|
|
};
|
|
|
|
BN.prototype.toNumber = function toNumber () {
|
|
var ret = this.words[0];
|
|
if (this.length === 2) {
|
|
ret += this.words[1] * 0x4000000;
|
|
} else if (this.length === 3 && this.words[2] === 0x01) {
|
|
// NOTE: at this stage it is known that the top bit is set
|
|
ret += 0x10000000000000 + (this.words[1] * 0x4000000);
|
|
} else if (this.length > 2) {
|
|
assert(false, 'Number can only safely store up to 53 bits');
|
|
}
|
|
return (this.negative !== 0) ? -ret : ret;
|
|
};
|
|
|
|
BN.prototype.toJSON = function toJSON () {
|
|
return this.toString(16);
|
|
};
|
|
|
|
BN.prototype.toBuffer = function toBuffer (endian, length) {
|
|
assert(typeof Buffer !== 'undefined');
|
|
return this.toArrayLike(Buffer, endian, length);
|
|
};
|
|
|
|
BN.prototype.toArray = function toArray (endian, length) {
|
|
return this.toArrayLike(Array, endian, length);
|
|
};
|
|
|
|
BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
|
|
var byteLength = this.byteLength();
|
|
var reqLength = length || Math.max(1, byteLength);
|
|
assert(byteLength <= reqLength, 'byte array longer than desired length');
|
|
assert(reqLength > 0, 'Requested array length <= 0');
|
|
|
|
this.strip();
|
|
var littleEndian = endian === 'le';
|
|
var res = new ArrayType(reqLength);
|
|
|
|
var b, i;
|
|
var q = this.clone();
|
|
if (!littleEndian) {
|
|
// Assume big-endian
|
|
for (i = 0; i < reqLength - byteLength; i++) {
|
|
res[i] = 0;
|
|
}
|
|
|
|
for (i = 0; !q.isZero(); i++) {
|
|
b = q.andln(0xff);
|
|
q.iushrn(8);
|
|
|
|
res[reqLength - i - 1] = b;
|
|
}
|
|
} else {
|
|
for (i = 0; !q.isZero(); i++) {
|
|
b = q.andln(0xff);
|
|
q.iushrn(8);
|
|
|
|
res[i] = b;
|
|
}
|
|
|
|
for (; i < reqLength; i++) {
|
|
res[i] = 0;
|
|
}
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
if (Math.clz32) {
|
|
BN.prototype._countBits = function _countBits (w) {
|
|
return 32 - Math.clz32(w);
|
|
};
|
|
} else {
|
|
BN.prototype._countBits = function _countBits (w) {
|
|
var t = w;
|
|
var r = 0;
|
|
if (t >= 0x1000) {
|
|
r += 13;
|
|
t >>>= 13;
|
|
}
|
|
if (t >= 0x40) {
|
|
r += 7;
|
|
t >>>= 7;
|
|
}
|
|
if (t >= 0x8) {
|
|
r += 4;
|
|
t >>>= 4;
|
|
}
|
|
if (t >= 0x02) {
|
|
r += 2;
|
|
t >>>= 2;
|
|
}
|
|
return r + t;
|
|
};
|
|
}
|
|
|
|
BN.prototype._zeroBits = function _zeroBits (w) {
|
|
// Short-cut
|
|
if (w === 0) return 26;
|
|
|
|
var t = w;
|
|
var r = 0;
|
|
if ((t & 0x1fff) === 0) {
|
|
r += 13;
|
|
t >>>= 13;
|
|
}
|
|
if ((t & 0x7f) === 0) {
|
|
r += 7;
|
|
t >>>= 7;
|
|
}
|
|
if ((t & 0xf) === 0) {
|
|
r += 4;
|
|
t >>>= 4;
|
|
}
|
|
if ((t & 0x3) === 0) {
|
|
r += 2;
|
|
t >>>= 2;
|
|
}
|
|
if ((t & 0x1) === 0) {
|
|
r++;
|
|
}
|
|
return r;
|
|
};
|
|
|
|
// Return number of used bits in a BN
|
|
BN.prototype.bitLength = function bitLength () {
|
|
var w = this.words[this.length - 1];
|
|
var hi = this._countBits(w);
|
|
return (this.length - 1) * 26 + hi;
|
|
};
|
|
|
|
function toBitArray (num) {
|
|
var w = new Array(num.bitLength());
|
|
|
|
for (var bit = 0; bit < w.length; bit++) {
|
|
var off = (bit / 26) | 0;
|
|
var wbit = bit % 26;
|
|
|
|
w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
|
|
}
|
|
|
|
return w;
|
|
}
|
|
|
|
// Number of trailing zero bits
|
|
BN.prototype.zeroBits = function zeroBits () {
|
|
if (this.isZero()) return 0;
|
|
|
|
var r = 0;
|
|
for (var i = 0; i < this.length; i++) {
|
|
var b = this._zeroBits(this.words[i]);
|
|
r += b;
|
|
if (b !== 26) break;
|
|
}
|
|
return r;
|
|
};
|
|
|
|
BN.prototype.byteLength = function byteLength () {
|
|
return Math.ceil(this.bitLength() / 8);
|
|
};
|
|
|
|
BN.prototype.toTwos = function toTwos (width) {
|
|
if (this.negative !== 0) {
|
|
return this.abs().inotn(width).iaddn(1);
|
|
}
|
|
return this.clone();
|
|
};
|
|
|
|
BN.prototype.fromTwos = function fromTwos (width) {
|
|
if (this.testn(width - 1)) {
|
|
return this.notn(width).iaddn(1).ineg();
|
|
}
|
|
return this.clone();
|
|
};
|
|
|
|
BN.prototype.isNeg = function isNeg () {
|
|
return this.negative !== 0;
|
|
};
|
|
|
|
// Return negative clone of `this`
|
|
BN.prototype.neg = function neg () {
|
|
return this.clone().ineg();
|
|
};
|
|
|
|
BN.prototype.ineg = function ineg () {
|
|
if (!this.isZero()) {
|
|
this.negative ^= 1;
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
// Or `num` with `this` in-place
|
|
BN.prototype.iuor = function iuor (num) {
|
|
while (this.length < num.length) {
|
|
this.words[this.length++] = 0;
|
|
}
|
|
|
|
for (var i = 0; i < num.length; i++) {
|
|
this.words[i] = this.words[i] | num.words[i];
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.ior = function ior (num) {
|
|
assert((this.negative | num.negative) === 0);
|
|
return this.iuor(num);
|
|
};
|
|
|
|
// Or `num` with `this`
|
|
BN.prototype.or = function or (num) {
|
|
if (this.length > num.length) return this.clone().ior(num);
|
|
return num.clone().ior(this);
|
|
};
|
|
|
|
BN.prototype.uor = function uor (num) {
|
|
if (this.length > num.length) return this.clone().iuor(num);
|
|
return num.clone().iuor(this);
|
|
};
|
|
|
|
// And `num` with `this` in-place
|
|
BN.prototype.iuand = function iuand (num) {
|
|
// b = min-length(num, this)
|
|
var b;
|
|
if (this.length > num.length) {
|
|
b = num;
|
|
} else {
|
|
b = this;
|
|
}
|
|
|
|
for (var i = 0; i < b.length; i++) {
|
|
this.words[i] = this.words[i] & num.words[i];
|
|
}
|
|
|
|
this.length = b.length;
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.iand = function iand (num) {
|
|
assert((this.negative | num.negative) === 0);
|
|
return this.iuand(num);
|
|
};
|
|
|
|
// And `num` with `this`
|
|
BN.prototype.and = function and (num) {
|
|
if (this.length > num.length) return this.clone().iand(num);
|
|
return num.clone().iand(this);
|
|
};
|
|
|
|
BN.prototype.uand = function uand (num) {
|
|
if (this.length > num.length) return this.clone().iuand(num);
|
|
return num.clone().iuand(this);
|
|
};
|
|
|
|
// Xor `num` with `this` in-place
|
|
BN.prototype.iuxor = function iuxor (num) {
|
|
// a.length > b.length
|
|
var a;
|
|
var b;
|
|
if (this.length > num.length) {
|
|
a = this;
|
|
b = num;
|
|
} else {
|
|
a = num;
|
|
b = this;
|
|
}
|
|
|
|
for (var i = 0; i < b.length; i++) {
|
|
this.words[i] = a.words[i] ^ b.words[i];
|
|
}
|
|
|
|
if (this !== a) {
|
|
for (; i < a.length; i++) {
|
|
this.words[i] = a.words[i];
|
|
}
|
|
}
|
|
|
|
this.length = a.length;
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.ixor = function ixor (num) {
|
|
assert((this.negative | num.negative) === 0);
|
|
return this.iuxor(num);
|
|
};
|
|
|
|
// Xor `num` with `this`
|
|
BN.prototype.xor = function xor (num) {
|
|
if (this.length > num.length) return this.clone().ixor(num);
|
|
return num.clone().ixor(this);
|
|
};
|
|
|
|
BN.prototype.uxor = function uxor (num) {
|
|
if (this.length > num.length) return this.clone().iuxor(num);
|
|
return num.clone().iuxor(this);
|
|
};
|
|
|
|
// Not ``this`` with ``width`` bitwidth
|
|
BN.prototype.inotn = function inotn (width) {
|
|
assert(typeof width === 'number' && width >= 0);
|
|
|
|
var bytesNeeded = Math.ceil(width / 26) | 0;
|
|
var bitsLeft = width % 26;
|
|
|
|
// Extend the buffer with leading zeroes
|
|
this._expand(bytesNeeded);
|
|
|
|
if (bitsLeft > 0) {
|
|
bytesNeeded--;
|
|
}
|
|
|
|
// Handle complete words
|
|
for (var i = 0; i < bytesNeeded; i++) {
|
|
this.words[i] = ~this.words[i] & 0x3ffffff;
|
|
}
|
|
|
|
// Handle the residue
|
|
if (bitsLeft > 0) {
|
|
this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
|
|
}
|
|
|
|
// And remove leading zeroes
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.notn = function notn (width) {
|
|
return this.clone().inotn(width);
|
|
};
|
|
|
|
// Set `bit` of `this`
|
|
BN.prototype.setn = function setn (bit, val) {
|
|
assert(typeof bit === 'number' && bit >= 0);
|
|
|
|
var off = (bit / 26) | 0;
|
|
var wbit = bit % 26;
|
|
|
|
this._expand(off + 1);
|
|
|
|
if (val) {
|
|
this.words[off] = this.words[off] | (1 << wbit);
|
|
} else {
|
|
this.words[off] = this.words[off] & ~(1 << wbit);
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
// Add `num` to `this` in-place
|
|
BN.prototype.iadd = function iadd (num) {
|
|
var r;
|
|
|
|
// negative + positive
|
|
if (this.negative !== 0 && num.negative === 0) {
|
|
this.negative = 0;
|
|
r = this.isub(num);
|
|
this.negative ^= 1;
|
|
return this._normSign();
|
|
|
|
// positive + negative
|
|
} else if (this.negative === 0 && num.negative !== 0) {
|
|
num.negative = 0;
|
|
r = this.isub(num);
|
|
num.negative = 1;
|
|
return r._normSign();
|
|
}
|
|
|
|
// a.length > b.length
|
|
var a, b;
|
|
if (this.length > num.length) {
|
|
a = this;
|
|
b = num;
|
|
} else {
|
|
a = num;
|
|
b = this;
|
|
}
|
|
|
|
var carry = 0;
|
|
for (var i = 0; i < b.length; i++) {
|
|
r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
|
|
this.words[i] = r & 0x3ffffff;
|
|
carry = r >>> 26;
|
|
}
|
|
for (; carry !== 0 && i < a.length; i++) {
|
|
r = (a.words[i] | 0) + carry;
|
|
this.words[i] = r & 0x3ffffff;
|
|
carry = r >>> 26;
|
|
}
|
|
|
|
this.length = a.length;
|
|
if (carry !== 0) {
|
|
this.words[this.length] = carry;
|
|
this.length++;
|
|
// Copy the rest of the words
|
|
} else if (a !== this) {
|
|
for (; i < a.length; i++) {
|
|
this.words[i] = a.words[i];
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
// Add `num` to `this`
|
|
BN.prototype.add = function add (num) {
|
|
var res;
|
|
if (num.negative !== 0 && this.negative === 0) {
|
|
num.negative = 0;
|
|
res = this.sub(num);
|
|
num.negative ^= 1;
|
|
return res;
|
|
} else if (num.negative === 0 && this.negative !== 0) {
|
|
this.negative = 0;
|
|
res = num.sub(this);
|
|
this.negative = 1;
|
|
return res;
|
|
}
|
|
|
|
if (this.length > num.length) return this.clone().iadd(num);
|
|
|
|
return num.clone().iadd(this);
|
|
};
|
|
|
|
// Subtract `num` from `this` in-place
|
|
BN.prototype.isub = function isub (num) {
|
|
// this - (-num) = this + num
|
|
if (num.negative !== 0) {
|
|
num.negative = 0;
|
|
var r = this.iadd(num);
|
|
num.negative = 1;
|
|
return r._normSign();
|
|
|
|
// -this - num = -(this + num)
|
|
} else if (this.negative !== 0) {
|
|
this.negative = 0;
|
|
this.iadd(num);
|
|
this.negative = 1;
|
|
return this._normSign();
|
|
}
|
|
|
|
// At this point both numbers are positive
|
|
var cmp = this.cmp(num);
|
|
|
|
// Optimization - zeroify
|
|
if (cmp === 0) {
|
|
this.negative = 0;
|
|
this.length = 1;
|
|
this.words[0] = 0;
|
|
return this;
|
|
}
|
|
|
|
// a > b
|
|
var a, b;
|
|
if (cmp > 0) {
|
|
a = this;
|
|
b = num;
|
|
} else {
|
|
a = num;
|
|
b = this;
|
|
}
|
|
|
|
var carry = 0;
|
|
for (var i = 0; i < b.length; i++) {
|
|
r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
|
|
carry = r >> 26;
|
|
this.words[i] = r & 0x3ffffff;
|
|
}
|
|
for (; carry !== 0 && i < a.length; i++) {
|
|
r = (a.words[i] | 0) + carry;
|
|
carry = r >> 26;
|
|
this.words[i] = r & 0x3ffffff;
|
|
}
|
|
|
|
// Copy rest of the words
|
|
if (carry === 0 && i < a.length && a !== this) {
|
|
for (; i < a.length; i++) {
|
|
this.words[i] = a.words[i];
|
|
}
|
|
}
|
|
|
|
this.length = Math.max(this.length, i);
|
|
|
|
if (a !== this) {
|
|
this.negative = 1;
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
// Subtract `num` from `this`
|
|
BN.prototype.sub = function sub (num) {
|
|
return this.clone().isub(num);
|
|
};
|
|
|
|
function smallMulTo (self, num, out) {
|
|
out.negative = num.negative ^ self.negative;
|
|
var len = (self.length + num.length) | 0;
|
|
out.length = len;
|
|
len = (len - 1) | 0;
|
|
|
|
// Peel one iteration (compiler can't do it, because of code complexity)
|
|
var a = self.words[0] | 0;
|
|
var b = num.words[0] | 0;
|
|
var r = a * b;
|
|
|
|
var lo = r & 0x3ffffff;
|
|
var carry = (r / 0x4000000) | 0;
|
|
out.words[0] = lo;
|
|
|
|
for (var k = 1; k < len; k++) {
|
|
// Sum all words with the same `i + j = k` and accumulate `ncarry`,
|
|
// note that ncarry could be >= 0x3ffffff
|
|
var ncarry = carry >>> 26;
|
|
var rword = carry & 0x3ffffff;
|
|
var maxJ = Math.min(k, num.length - 1);
|
|
for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
|
|
var i = (k - j) | 0;
|
|
a = self.words[i] | 0;
|
|
b = num.words[j] | 0;
|
|
r = a * b + rword;
|
|
ncarry += (r / 0x4000000) | 0;
|
|
rword = r & 0x3ffffff;
|
|
}
|
|
out.words[k] = rword | 0;
|
|
carry = ncarry | 0;
|
|
}
|
|
if (carry !== 0) {
|
|
out.words[k] = carry | 0;
|
|
} else {
|
|
out.length--;
|
|
}
|
|
|
|
return out.strip();
|
|
}
|
|
|
|
// TODO(indutny): it may be reasonable to omit it for users who don't need
|
|
// to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
|
|
// multiplication (like elliptic secp256k1).
|
|
var comb10MulTo = function comb10MulTo (self, num, out) {
|
|
var a = self.words;
|
|
var b = num.words;
|
|
var o = out.words;
|
|
var c = 0;
|
|
var lo;
|
|
var mid;
|
|
var hi;
|
|
var a0 = a[0] | 0;
|
|
var al0 = a0 & 0x1fff;
|
|
var ah0 = a0 >>> 13;
|
|
var a1 = a[1] | 0;
|
|
var al1 = a1 & 0x1fff;
|
|
var ah1 = a1 >>> 13;
|
|
var a2 = a[2] | 0;
|
|
var al2 = a2 & 0x1fff;
|
|
var ah2 = a2 >>> 13;
|
|
var a3 = a[3] | 0;
|
|
var al3 = a3 & 0x1fff;
|
|
var ah3 = a3 >>> 13;
|
|
var a4 = a[4] | 0;
|
|
var al4 = a4 & 0x1fff;
|
|
var ah4 = a4 >>> 13;
|
|
var a5 = a[5] | 0;
|
|
var al5 = a5 & 0x1fff;
|
|
var ah5 = a5 >>> 13;
|
|
var a6 = a[6] | 0;
|
|
var al6 = a6 & 0x1fff;
|
|
var ah6 = a6 >>> 13;
|
|
var a7 = a[7] | 0;
|
|
var al7 = a7 & 0x1fff;
|
|
var ah7 = a7 >>> 13;
|
|
var a8 = a[8] | 0;
|
|
var al8 = a8 & 0x1fff;
|
|
var ah8 = a8 >>> 13;
|
|
var a9 = a[9] | 0;
|
|
var al9 = a9 & 0x1fff;
|
|
var ah9 = a9 >>> 13;
|
|
var b0 = b[0] | 0;
|
|
var bl0 = b0 & 0x1fff;
|
|
var bh0 = b0 >>> 13;
|
|
var b1 = b[1] | 0;
|
|
var bl1 = b1 & 0x1fff;
|
|
var bh1 = b1 >>> 13;
|
|
var b2 = b[2] | 0;
|
|
var bl2 = b2 & 0x1fff;
|
|
var bh2 = b2 >>> 13;
|
|
var b3 = b[3] | 0;
|
|
var bl3 = b3 & 0x1fff;
|
|
var bh3 = b3 >>> 13;
|
|
var b4 = b[4] | 0;
|
|
var bl4 = b4 & 0x1fff;
|
|
var bh4 = b4 >>> 13;
|
|
var b5 = b[5] | 0;
|
|
var bl5 = b5 & 0x1fff;
|
|
var bh5 = b5 >>> 13;
|
|
var b6 = b[6] | 0;
|
|
var bl6 = b6 & 0x1fff;
|
|
var bh6 = b6 >>> 13;
|
|
var b7 = b[7] | 0;
|
|
var bl7 = b7 & 0x1fff;
|
|
var bh7 = b7 >>> 13;
|
|
var b8 = b[8] | 0;
|
|
var bl8 = b8 & 0x1fff;
|
|
var bh8 = b8 >>> 13;
|
|
var b9 = b[9] | 0;
|
|
var bl9 = b9 & 0x1fff;
|
|
var bh9 = b9 >>> 13;
|
|
|
|
out.negative = self.negative ^ num.negative;
|
|
out.length = 19;
|
|
/* k = 0 */
|
|
lo = Math.imul(al0, bl0);
|
|
mid = Math.imul(al0, bh0);
|
|
mid = (mid + Math.imul(ah0, bl0)) | 0;
|
|
hi = Math.imul(ah0, bh0);
|
|
var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
|
|
w0 &= 0x3ffffff;
|
|
/* k = 1 */
|
|
lo = Math.imul(al1, bl0);
|
|
mid = Math.imul(al1, bh0);
|
|
mid = (mid + Math.imul(ah1, bl0)) | 0;
|
|
hi = Math.imul(ah1, bh0);
|
|
lo = (lo + Math.imul(al0, bl1)) | 0;
|
|
mid = (mid + Math.imul(al0, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh1)) | 0;
|
|
var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
|
|
w1 &= 0x3ffffff;
|
|
/* k = 2 */
|
|
lo = Math.imul(al2, bl0);
|
|
mid = Math.imul(al2, bh0);
|
|
mid = (mid + Math.imul(ah2, bl0)) | 0;
|
|
hi = Math.imul(ah2, bh0);
|
|
lo = (lo + Math.imul(al1, bl1)) | 0;
|
|
mid = (mid + Math.imul(al1, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh1)) | 0;
|
|
lo = (lo + Math.imul(al0, bl2)) | 0;
|
|
mid = (mid + Math.imul(al0, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh2)) | 0;
|
|
var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
|
|
w2 &= 0x3ffffff;
|
|
/* k = 3 */
|
|
lo = Math.imul(al3, bl0);
|
|
mid = Math.imul(al3, bh0);
|
|
mid = (mid + Math.imul(ah3, bl0)) | 0;
|
|
hi = Math.imul(ah3, bh0);
|
|
lo = (lo + Math.imul(al2, bl1)) | 0;
|
|
mid = (mid + Math.imul(al2, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh1)) | 0;
|
|
lo = (lo + Math.imul(al1, bl2)) | 0;
|
|
mid = (mid + Math.imul(al1, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh2)) | 0;
|
|
lo = (lo + Math.imul(al0, bl3)) | 0;
|
|
mid = (mid + Math.imul(al0, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh3)) | 0;
|
|
var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
|
|
w3 &= 0x3ffffff;
|
|
/* k = 4 */
|
|
lo = Math.imul(al4, bl0);
|
|
mid = Math.imul(al4, bh0);
|
|
mid = (mid + Math.imul(ah4, bl0)) | 0;
|
|
hi = Math.imul(ah4, bh0);
|
|
lo = (lo + Math.imul(al3, bl1)) | 0;
|
|
mid = (mid + Math.imul(al3, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh1)) | 0;
|
|
lo = (lo + Math.imul(al2, bl2)) | 0;
|
|
mid = (mid + Math.imul(al2, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh2)) | 0;
|
|
lo = (lo + Math.imul(al1, bl3)) | 0;
|
|
mid = (mid + Math.imul(al1, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh3)) | 0;
|
|
lo = (lo + Math.imul(al0, bl4)) | 0;
|
|
mid = (mid + Math.imul(al0, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh4)) | 0;
|
|
var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
|
|
w4 &= 0x3ffffff;
|
|
/* k = 5 */
|
|
lo = Math.imul(al5, bl0);
|
|
mid = Math.imul(al5, bh0);
|
|
mid = (mid + Math.imul(ah5, bl0)) | 0;
|
|
hi = Math.imul(ah5, bh0);
|
|
lo = (lo + Math.imul(al4, bl1)) | 0;
|
|
mid = (mid + Math.imul(al4, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh1)) | 0;
|
|
lo = (lo + Math.imul(al3, bl2)) | 0;
|
|
mid = (mid + Math.imul(al3, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh2)) | 0;
|
|
lo = (lo + Math.imul(al2, bl3)) | 0;
|
|
mid = (mid + Math.imul(al2, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh3)) | 0;
|
|
lo = (lo + Math.imul(al1, bl4)) | 0;
|
|
mid = (mid + Math.imul(al1, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh4)) | 0;
|
|
lo = (lo + Math.imul(al0, bl5)) | 0;
|
|
mid = (mid + Math.imul(al0, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh5)) | 0;
|
|
var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
|
|
w5 &= 0x3ffffff;
|
|
/* k = 6 */
|
|
lo = Math.imul(al6, bl0);
|
|
mid = Math.imul(al6, bh0);
|
|
mid = (mid + Math.imul(ah6, bl0)) | 0;
|
|
hi = Math.imul(ah6, bh0);
|
|
lo = (lo + Math.imul(al5, bl1)) | 0;
|
|
mid = (mid + Math.imul(al5, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh1)) | 0;
|
|
lo = (lo + Math.imul(al4, bl2)) | 0;
|
|
mid = (mid + Math.imul(al4, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh2)) | 0;
|
|
lo = (lo + Math.imul(al3, bl3)) | 0;
|
|
mid = (mid + Math.imul(al3, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh3)) | 0;
|
|
lo = (lo + Math.imul(al2, bl4)) | 0;
|
|
mid = (mid + Math.imul(al2, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh4)) | 0;
|
|
lo = (lo + Math.imul(al1, bl5)) | 0;
|
|
mid = (mid + Math.imul(al1, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh5)) | 0;
|
|
lo = (lo + Math.imul(al0, bl6)) | 0;
|
|
mid = (mid + Math.imul(al0, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh6)) | 0;
|
|
var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
|
|
w6 &= 0x3ffffff;
|
|
/* k = 7 */
|
|
lo = Math.imul(al7, bl0);
|
|
mid = Math.imul(al7, bh0);
|
|
mid = (mid + Math.imul(ah7, bl0)) | 0;
|
|
hi = Math.imul(ah7, bh0);
|
|
lo = (lo + Math.imul(al6, bl1)) | 0;
|
|
mid = (mid + Math.imul(al6, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh1)) | 0;
|
|
lo = (lo + Math.imul(al5, bl2)) | 0;
|
|
mid = (mid + Math.imul(al5, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh2)) | 0;
|
|
lo = (lo + Math.imul(al4, bl3)) | 0;
|
|
mid = (mid + Math.imul(al4, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh3)) | 0;
|
|
lo = (lo + Math.imul(al3, bl4)) | 0;
|
|
mid = (mid + Math.imul(al3, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh4)) | 0;
|
|
lo = (lo + Math.imul(al2, bl5)) | 0;
|
|
mid = (mid + Math.imul(al2, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh5)) | 0;
|
|
lo = (lo + Math.imul(al1, bl6)) | 0;
|
|
mid = (mid + Math.imul(al1, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh6)) | 0;
|
|
lo = (lo + Math.imul(al0, bl7)) | 0;
|
|
mid = (mid + Math.imul(al0, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh7)) | 0;
|
|
var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
|
|
w7 &= 0x3ffffff;
|
|
/* k = 8 */
|
|
lo = Math.imul(al8, bl0);
|
|
mid = Math.imul(al8, bh0);
|
|
mid = (mid + Math.imul(ah8, bl0)) | 0;
|
|
hi = Math.imul(ah8, bh0);
|
|
lo = (lo + Math.imul(al7, bl1)) | 0;
|
|
mid = (mid + Math.imul(al7, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh1)) | 0;
|
|
lo = (lo + Math.imul(al6, bl2)) | 0;
|
|
mid = (mid + Math.imul(al6, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh2)) | 0;
|
|
lo = (lo + Math.imul(al5, bl3)) | 0;
|
|
mid = (mid + Math.imul(al5, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh3)) | 0;
|
|
lo = (lo + Math.imul(al4, bl4)) | 0;
|
|
mid = (mid + Math.imul(al4, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh4)) | 0;
|
|
lo = (lo + Math.imul(al3, bl5)) | 0;
|
|
mid = (mid + Math.imul(al3, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh5)) | 0;
|
|
lo = (lo + Math.imul(al2, bl6)) | 0;
|
|
mid = (mid + Math.imul(al2, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh6)) | 0;
|
|
lo = (lo + Math.imul(al1, bl7)) | 0;
|
|
mid = (mid + Math.imul(al1, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh7)) | 0;
|
|
lo = (lo + Math.imul(al0, bl8)) | 0;
|
|
mid = (mid + Math.imul(al0, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh8)) | 0;
|
|
var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
|
|
w8 &= 0x3ffffff;
|
|
/* k = 9 */
|
|
lo = Math.imul(al9, bl0);
|
|
mid = Math.imul(al9, bh0);
|
|
mid = (mid + Math.imul(ah9, bl0)) | 0;
|
|
hi = Math.imul(ah9, bh0);
|
|
lo = (lo + Math.imul(al8, bl1)) | 0;
|
|
mid = (mid + Math.imul(al8, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh1)) | 0;
|
|
lo = (lo + Math.imul(al7, bl2)) | 0;
|
|
mid = (mid + Math.imul(al7, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh2)) | 0;
|
|
lo = (lo + Math.imul(al6, bl3)) | 0;
|
|
mid = (mid + Math.imul(al6, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh3)) | 0;
|
|
lo = (lo + Math.imul(al5, bl4)) | 0;
|
|
mid = (mid + Math.imul(al5, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh4)) | 0;
|
|
lo = (lo + Math.imul(al4, bl5)) | 0;
|
|
mid = (mid + Math.imul(al4, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh5)) | 0;
|
|
lo = (lo + Math.imul(al3, bl6)) | 0;
|
|
mid = (mid + Math.imul(al3, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh6)) | 0;
|
|
lo = (lo + Math.imul(al2, bl7)) | 0;
|
|
mid = (mid + Math.imul(al2, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh7)) | 0;
|
|
lo = (lo + Math.imul(al1, bl8)) | 0;
|
|
mid = (mid + Math.imul(al1, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh8)) | 0;
|
|
lo = (lo + Math.imul(al0, bl9)) | 0;
|
|
mid = (mid + Math.imul(al0, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh9)) | 0;
|
|
var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
|
|
w9 &= 0x3ffffff;
|
|
/* k = 10 */
|
|
lo = Math.imul(al9, bl1);
|
|
mid = Math.imul(al9, bh1);
|
|
mid = (mid + Math.imul(ah9, bl1)) | 0;
|
|
hi = Math.imul(ah9, bh1);
|
|
lo = (lo + Math.imul(al8, bl2)) | 0;
|
|
mid = (mid + Math.imul(al8, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh2)) | 0;
|
|
lo = (lo + Math.imul(al7, bl3)) | 0;
|
|
mid = (mid + Math.imul(al7, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh3)) | 0;
|
|
lo = (lo + Math.imul(al6, bl4)) | 0;
|
|
mid = (mid + Math.imul(al6, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh4)) | 0;
|
|
lo = (lo + Math.imul(al5, bl5)) | 0;
|
|
mid = (mid + Math.imul(al5, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh5)) | 0;
|
|
lo = (lo + Math.imul(al4, bl6)) | 0;
|
|
mid = (mid + Math.imul(al4, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh6)) | 0;
|
|
lo = (lo + Math.imul(al3, bl7)) | 0;
|
|
mid = (mid + Math.imul(al3, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh7)) | 0;
|
|
lo = (lo + Math.imul(al2, bl8)) | 0;
|
|
mid = (mid + Math.imul(al2, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh8)) | 0;
|
|
lo = (lo + Math.imul(al1, bl9)) | 0;
|
|
mid = (mid + Math.imul(al1, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh9)) | 0;
|
|
var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
|
|
w10 &= 0x3ffffff;
|
|
/* k = 11 */
|
|
lo = Math.imul(al9, bl2);
|
|
mid = Math.imul(al9, bh2);
|
|
mid = (mid + Math.imul(ah9, bl2)) | 0;
|
|
hi = Math.imul(ah9, bh2);
|
|
lo = (lo + Math.imul(al8, bl3)) | 0;
|
|
mid = (mid + Math.imul(al8, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh3)) | 0;
|
|
lo = (lo + Math.imul(al7, bl4)) | 0;
|
|
mid = (mid + Math.imul(al7, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh4)) | 0;
|
|
lo = (lo + Math.imul(al6, bl5)) | 0;
|
|
mid = (mid + Math.imul(al6, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh5)) | 0;
|
|
lo = (lo + Math.imul(al5, bl6)) | 0;
|
|
mid = (mid + Math.imul(al5, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh6)) | 0;
|
|
lo = (lo + Math.imul(al4, bl7)) | 0;
|
|
mid = (mid + Math.imul(al4, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh7)) | 0;
|
|
lo = (lo + Math.imul(al3, bl8)) | 0;
|
|
mid = (mid + Math.imul(al3, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh8)) | 0;
|
|
lo = (lo + Math.imul(al2, bl9)) | 0;
|
|
mid = (mid + Math.imul(al2, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh9)) | 0;
|
|
var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
|
|
w11 &= 0x3ffffff;
|
|
/* k = 12 */
|
|
lo = Math.imul(al9, bl3);
|
|
mid = Math.imul(al9, bh3);
|
|
mid = (mid + Math.imul(ah9, bl3)) | 0;
|
|
hi = Math.imul(ah9, bh3);
|
|
lo = (lo + Math.imul(al8, bl4)) | 0;
|
|
mid = (mid + Math.imul(al8, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh4)) | 0;
|
|
lo = (lo + Math.imul(al7, bl5)) | 0;
|
|
mid = (mid + Math.imul(al7, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh5)) | 0;
|
|
lo = (lo + Math.imul(al6, bl6)) | 0;
|
|
mid = (mid + Math.imul(al6, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh6)) | 0;
|
|
lo = (lo + Math.imul(al5, bl7)) | 0;
|
|
mid = (mid + Math.imul(al5, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh7)) | 0;
|
|
lo = (lo + Math.imul(al4, bl8)) | 0;
|
|
mid = (mid + Math.imul(al4, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh8)) | 0;
|
|
lo = (lo + Math.imul(al3, bl9)) | 0;
|
|
mid = (mid + Math.imul(al3, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh9)) | 0;
|
|
var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
|
|
w12 &= 0x3ffffff;
|
|
/* k = 13 */
|
|
lo = Math.imul(al9, bl4);
|
|
mid = Math.imul(al9, bh4);
|
|
mid = (mid + Math.imul(ah9, bl4)) | 0;
|
|
hi = Math.imul(ah9, bh4);
|
|
lo = (lo + Math.imul(al8, bl5)) | 0;
|
|
mid = (mid + Math.imul(al8, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh5)) | 0;
|
|
lo = (lo + Math.imul(al7, bl6)) | 0;
|
|
mid = (mid + Math.imul(al7, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh6)) | 0;
|
|
lo = (lo + Math.imul(al6, bl7)) | 0;
|
|
mid = (mid + Math.imul(al6, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh7)) | 0;
|
|
lo = (lo + Math.imul(al5, bl8)) | 0;
|
|
mid = (mid + Math.imul(al5, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh8)) | 0;
|
|
lo = (lo + Math.imul(al4, bl9)) | 0;
|
|
mid = (mid + Math.imul(al4, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh9)) | 0;
|
|
var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
|
|
w13 &= 0x3ffffff;
|
|
/* k = 14 */
|
|
lo = Math.imul(al9, bl5);
|
|
mid = Math.imul(al9, bh5);
|
|
mid = (mid + Math.imul(ah9, bl5)) | 0;
|
|
hi = Math.imul(ah9, bh5);
|
|
lo = (lo + Math.imul(al8, bl6)) | 0;
|
|
mid = (mid + Math.imul(al8, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh6)) | 0;
|
|
lo = (lo + Math.imul(al7, bl7)) | 0;
|
|
mid = (mid + Math.imul(al7, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh7)) | 0;
|
|
lo = (lo + Math.imul(al6, bl8)) | 0;
|
|
mid = (mid + Math.imul(al6, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh8)) | 0;
|
|
lo = (lo + Math.imul(al5, bl9)) | 0;
|
|
mid = (mid + Math.imul(al5, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh9)) | 0;
|
|
var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
|
|
w14 &= 0x3ffffff;
|
|
/* k = 15 */
|
|
lo = Math.imul(al9, bl6);
|
|
mid = Math.imul(al9, bh6);
|
|
mid = (mid + Math.imul(ah9, bl6)) | 0;
|
|
hi = Math.imul(ah9, bh6);
|
|
lo = (lo + Math.imul(al8, bl7)) | 0;
|
|
mid = (mid + Math.imul(al8, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh7)) | 0;
|
|
lo = (lo + Math.imul(al7, bl8)) | 0;
|
|
mid = (mid + Math.imul(al7, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh8)) | 0;
|
|
lo = (lo + Math.imul(al6, bl9)) | 0;
|
|
mid = (mid + Math.imul(al6, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh9)) | 0;
|
|
var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
|
|
w15 &= 0x3ffffff;
|
|
/* k = 16 */
|
|
lo = Math.imul(al9, bl7);
|
|
mid = Math.imul(al9, bh7);
|
|
mid = (mid + Math.imul(ah9, bl7)) | 0;
|
|
hi = Math.imul(ah9, bh7);
|
|
lo = (lo + Math.imul(al8, bl8)) | 0;
|
|
mid = (mid + Math.imul(al8, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh8)) | 0;
|
|
lo = (lo + Math.imul(al7, bl9)) | 0;
|
|
mid = (mid + Math.imul(al7, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh9)) | 0;
|
|
var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
|
|
w16 &= 0x3ffffff;
|
|
/* k = 17 */
|
|
lo = Math.imul(al9, bl8);
|
|
mid = Math.imul(al9, bh8);
|
|
mid = (mid + Math.imul(ah9, bl8)) | 0;
|
|
hi = Math.imul(ah9, bh8);
|
|
lo = (lo + Math.imul(al8, bl9)) | 0;
|
|
mid = (mid + Math.imul(al8, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh9)) | 0;
|
|
var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
|
|
w17 &= 0x3ffffff;
|
|
/* k = 18 */
|
|
lo = Math.imul(al9, bl9);
|
|
mid = Math.imul(al9, bh9);
|
|
mid = (mid + Math.imul(ah9, bl9)) | 0;
|
|
hi = Math.imul(ah9, bh9);
|
|
var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
|
|
w18 &= 0x3ffffff;
|
|
o[0] = w0;
|
|
o[1] = w1;
|
|
o[2] = w2;
|
|
o[3] = w3;
|
|
o[4] = w4;
|
|
o[5] = w5;
|
|
o[6] = w6;
|
|
o[7] = w7;
|
|
o[8] = w8;
|
|
o[9] = w9;
|
|
o[10] = w10;
|
|
o[11] = w11;
|
|
o[12] = w12;
|
|
o[13] = w13;
|
|
o[14] = w14;
|
|
o[15] = w15;
|
|
o[16] = w16;
|
|
o[17] = w17;
|
|
o[18] = w18;
|
|
if (c !== 0) {
|
|
o[19] = c;
|
|
out.length++;
|
|
}
|
|
return out;
|
|
};
|
|
|
|
// Polyfill comb
|
|
if (!Math.imul) {
|
|
comb10MulTo = smallMulTo;
|
|
}
|
|
|
|
function bigMulTo (self, num, out) {
|
|
out.negative = num.negative ^ self.negative;
|
|
out.length = self.length + num.length;
|
|
|
|
var carry = 0;
|
|
var hncarry = 0;
|
|
for (var k = 0; k < out.length - 1; k++) {
|
|
// Sum all words with the same `i + j = k` and accumulate `ncarry`,
|
|
// note that ncarry could be >= 0x3ffffff
|
|
var ncarry = hncarry;
|
|
hncarry = 0;
|
|
var rword = carry & 0x3ffffff;
|
|
var maxJ = Math.min(k, num.length - 1);
|
|
for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
|
|
var i = k - j;
|
|
var a = self.words[i] | 0;
|
|
var b = num.words[j] | 0;
|
|
var r = a * b;
|
|
|
|
var lo = r & 0x3ffffff;
|
|
ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
|
|
lo = (lo + rword) | 0;
|
|
rword = lo & 0x3ffffff;
|
|
ncarry = (ncarry + (lo >>> 26)) | 0;
|
|
|
|
hncarry += ncarry >>> 26;
|
|
ncarry &= 0x3ffffff;
|
|
}
|
|
out.words[k] = rword;
|
|
carry = ncarry;
|
|
ncarry = hncarry;
|
|
}
|
|
if (carry !== 0) {
|
|
out.words[k] = carry;
|
|
} else {
|
|
out.length--;
|
|
}
|
|
|
|
return out.strip();
|
|
}
|
|
|
|
function jumboMulTo (self, num, out) {
|
|
var fftm = new FFTM();
|
|
return fftm.mulp(self, num, out);
|
|
}
|
|
|
|
BN.prototype.mulTo = function mulTo (num, out) {
|
|
var res;
|
|
var len = this.length + num.length;
|
|
if (this.length === 10 && num.length === 10) {
|
|
res = comb10MulTo(this, num, out);
|
|
} else if (len < 63) {
|
|
res = smallMulTo(this, num, out);
|
|
} else if (len < 1024) {
|
|
res = bigMulTo(this, num, out);
|
|
} else {
|
|
res = jumboMulTo(this, num, out);
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
// Cooley-Tukey algorithm for FFT
|
|
// slightly revisited to rely on looping instead of recursion
|
|
|
|
function FFTM (x, y) {
|
|
this.x = x;
|
|
this.y = y;
|
|
}
|
|
|
|
FFTM.prototype.makeRBT = function makeRBT (N) {
|
|
var t = new Array(N);
|
|
var l = BN.prototype._countBits(N) - 1;
|
|
for (var i = 0; i < N; i++) {
|
|
t[i] = this.revBin(i, l, N);
|
|
}
|
|
|
|
return t;
|
|
};
|
|
|
|
// Returns binary-reversed representation of `x`
|
|
FFTM.prototype.revBin = function revBin (x, l, N) {
|
|
if (x === 0 || x === N - 1) return x;
|
|
|
|
var rb = 0;
|
|
for (var i = 0; i < l; i++) {
|
|
rb |= (x & 1) << (l - i - 1);
|
|
x >>= 1;
|
|
}
|
|
|
|
return rb;
|
|
};
|
|
|
|
// Performs "tweedling" phase, therefore 'emulating'
|
|
// behaviour of the recursive algorithm
|
|
FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
|
|
for (var i = 0; i < N; i++) {
|
|
rtws[i] = rws[rbt[i]];
|
|
itws[i] = iws[rbt[i]];
|
|
}
|
|
};
|
|
|
|
FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
|
|
this.permute(rbt, rws, iws, rtws, itws, N);
|
|
|
|
for (var s = 1; s < N; s <<= 1) {
|
|
var l = s << 1;
|
|
|
|
var rtwdf = Math.cos(2 * Math.PI / l);
|
|
var itwdf = Math.sin(2 * Math.PI / l);
|
|
|
|
for (var p = 0; p < N; p += l) {
|
|
var rtwdf_ = rtwdf;
|
|
var itwdf_ = itwdf;
|
|
|
|
for (var j = 0; j < s; j++) {
|
|
var re = rtws[p + j];
|
|
var ie = itws[p + j];
|
|
|
|
var ro = rtws[p + j + s];
|
|
var io = itws[p + j + s];
|
|
|
|
var rx = rtwdf_ * ro - itwdf_ * io;
|
|
|
|
io = rtwdf_ * io + itwdf_ * ro;
|
|
ro = rx;
|
|
|
|
rtws[p + j] = re + ro;
|
|
itws[p + j] = ie + io;
|
|
|
|
rtws[p + j + s] = re - ro;
|
|
itws[p + j + s] = ie - io;
|
|
|
|
/* jshint maxdepth : false */
|
|
if (j !== l) {
|
|
rx = rtwdf * rtwdf_ - itwdf * itwdf_;
|
|
|
|
itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
|
|
rtwdf_ = rx;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
|
|
var N = Math.max(m, n) | 1;
|
|
var odd = N & 1;
|
|
var i = 0;
|
|
for (N = N / 2 | 0; N; N = N >>> 1) {
|
|
i++;
|
|
}
|
|
|
|
return 1 << i + 1 + odd;
|
|
};
|
|
|
|
FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
|
|
if (N <= 1) return;
|
|
|
|
for (var i = 0; i < N / 2; i++) {
|
|
var t = rws[i];
|
|
|
|
rws[i] = rws[N - i - 1];
|
|
rws[N - i - 1] = t;
|
|
|
|
t = iws[i];
|
|
|
|
iws[i] = -iws[N - i - 1];
|
|
iws[N - i - 1] = -t;
|
|
}
|
|
};
|
|
|
|
FFTM.prototype.normalize13b = function normalize13b (ws, N) {
|
|
var carry = 0;
|
|
for (var i = 0; i < N / 2; i++) {
|
|
var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
|
|
Math.round(ws[2 * i] / N) +
|
|
carry;
|
|
|
|
ws[i] = w & 0x3ffffff;
|
|
|
|
if (w < 0x4000000) {
|
|
carry = 0;
|
|
} else {
|
|
carry = w / 0x4000000 | 0;
|
|
}
|
|
}
|
|
|
|
return ws;
|
|
};
|
|
|
|
FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
|
|
var carry = 0;
|
|
for (var i = 0; i < len; i++) {
|
|
carry = carry + (ws[i] | 0);
|
|
|
|
rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
|
|
rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
|
|
}
|
|
|
|
// Pad with zeroes
|
|
for (i = 2 * len; i < N; ++i) {
|
|
rws[i] = 0;
|
|
}
|
|
|
|
assert(carry === 0);
|
|
assert((carry & ~0x1fff) === 0);
|
|
};
|
|
|
|
FFTM.prototype.stub = function stub (N) {
|
|
var ph = new Array(N);
|
|
for (var i = 0; i < N; i++) {
|
|
ph[i] = 0;
|
|
}
|
|
|
|
return ph;
|
|
};
|
|
|
|
FFTM.prototype.mulp = function mulp (x, y, out) {
|
|
var N = 2 * this.guessLen13b(x.length, y.length);
|
|
|
|
var rbt = this.makeRBT(N);
|
|
|
|
var _ = this.stub(N);
|
|
|
|
var rws = new Array(N);
|
|
var rwst = new Array(N);
|
|
var iwst = new Array(N);
|
|
|
|
var nrws = new Array(N);
|
|
var nrwst = new Array(N);
|
|
var niwst = new Array(N);
|
|
|
|
var rmws = out.words;
|
|
rmws.length = N;
|
|
|
|
this.convert13b(x.words, x.length, rws, N);
|
|
this.convert13b(y.words, y.length, nrws, N);
|
|
|
|
this.transform(rws, _, rwst, iwst, N, rbt);
|
|
this.transform(nrws, _, nrwst, niwst, N, rbt);
|
|
|
|
for (var i = 0; i < N; i++) {
|
|
var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
|
|
iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
|
|
rwst[i] = rx;
|
|
}
|
|
|
|
this.conjugate(rwst, iwst, N);
|
|
this.transform(rwst, iwst, rmws, _, N, rbt);
|
|
this.conjugate(rmws, _, N);
|
|
this.normalize13b(rmws, N);
|
|
|
|
out.negative = x.negative ^ y.negative;
|
|
out.length = x.length + y.length;
|
|
return out.strip();
|
|
};
|
|
|
|
// Multiply `this` by `num`
|
|
BN.prototype.mul = function mul (num) {
|
|
var out = new BN(null);
|
|
out.words = new Array(this.length + num.length);
|
|
return this.mulTo(num, out);
|
|
};
|
|
|
|
// Multiply employing FFT
|
|
BN.prototype.mulf = function mulf (num) {
|
|
var out = new BN(null);
|
|
out.words = new Array(this.length + num.length);
|
|
return jumboMulTo(this, num, out);
|
|
};
|
|
|
|
// In-place Multiplication
|
|
BN.prototype.imul = function imul (num) {
|
|
return this.clone().mulTo(num, this);
|
|
};
|
|
|
|
BN.prototype.imuln = function imuln (num) {
|
|
assert(typeof num === 'number');
|
|
assert(num < 0x4000000);
|
|
|
|
// Carry
|
|
var carry = 0;
|
|
for (var i = 0; i < this.length; i++) {
|
|
var w = (this.words[i] | 0) * num;
|
|
var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
|
|
carry >>= 26;
|
|
carry += (w / 0x4000000) | 0;
|
|
// NOTE: lo is 27bit maximum
|
|
carry += lo >>> 26;
|
|
this.words[i] = lo & 0x3ffffff;
|
|
}
|
|
|
|
if (carry !== 0) {
|
|
this.words[i] = carry;
|
|
this.length++;
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
BN.prototype.muln = function muln (num) {
|
|
return this.clone().imuln(num);
|
|
};
|
|
|
|
// `this` * `this`
|
|
BN.prototype.sqr = function sqr () {
|
|
return this.mul(this);
|
|
};
|
|
|
|
// `this` * `this` in-place
|
|
BN.prototype.isqr = function isqr () {
|
|
return this.imul(this.clone());
|
|
};
|
|
|
|
// Math.pow(`this`, `num`)
|
|
BN.prototype.pow = function pow (num) {
|
|
var w = toBitArray(num);
|
|
if (w.length === 0) return new BN(1);
|
|
|
|
// Skip leading zeroes
|
|
var res = this;
|
|
for (var i = 0; i < w.length; i++, res = res.sqr()) {
|
|
if (w[i] !== 0) break;
|
|
}
|
|
|
|
if (++i < w.length) {
|
|
for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
|
|
if (w[i] === 0) continue;
|
|
|
|
res = res.mul(q);
|
|
}
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
// Shift-left in-place
|
|
BN.prototype.iushln = function iushln (bits) {
|
|
assert(typeof bits === 'number' && bits >= 0);
|
|
var r = bits % 26;
|
|
var s = (bits - r) / 26;
|
|
var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
|
|
var i;
|
|
|
|
if (r !== 0) {
|
|
var carry = 0;
|
|
|
|
for (i = 0; i < this.length; i++) {
|
|
var newCarry = this.words[i] & carryMask;
|
|
var c = ((this.words[i] | 0) - newCarry) << r;
|
|
this.words[i] = c | carry;
|
|
carry = newCarry >>> (26 - r);
|
|
}
|
|
|
|
if (carry) {
|
|
this.words[i] = carry;
|
|
this.length++;
|
|
}
|
|
}
|
|
|
|
if (s !== 0) {
|
|
for (i = this.length - 1; i >= 0; i--) {
|
|
this.words[i + s] = this.words[i];
|
|
}
|
|
|
|
for (i = 0; i < s; i++) {
|
|
this.words[i] = 0;
|
|
}
|
|
|
|
this.length += s;
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.ishln = function ishln (bits) {
|
|
// TODO(indutny): implement me
|
|
assert(this.negative === 0);
|
|
return this.iushln(bits);
|
|
};
|
|
|
|
// Shift-right in-place
|
|
// NOTE: `hint` is a lowest bit before trailing zeroes
|
|
// NOTE: if `extended` is present - it will be filled with destroyed bits
|
|
BN.prototype.iushrn = function iushrn (bits, hint, extended) {
|
|
assert(typeof bits === 'number' && bits >= 0);
|
|
var h;
|
|
if (hint) {
|
|
h = (hint - (hint % 26)) / 26;
|
|
} else {
|
|
h = 0;
|
|
}
|
|
|
|
var r = bits % 26;
|
|
var s = Math.min((bits - r) / 26, this.length);
|
|
var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
|
|
var maskedWords = extended;
|
|
|
|
h -= s;
|
|
h = Math.max(0, h);
|
|
|
|
// Extended mode, copy masked part
|
|
if (maskedWords) {
|
|
for (var i = 0; i < s; i++) {
|
|
maskedWords.words[i] = this.words[i];
|
|
}
|
|
maskedWords.length = s;
|
|
}
|
|
|
|
if (s === 0) {
|
|
// No-op, we should not move anything at all
|
|
} else if (this.length > s) {
|
|
this.length -= s;
|
|
for (i = 0; i < this.length; i++) {
|
|
this.words[i] = this.words[i + s];
|
|
}
|
|
} else {
|
|
this.words[0] = 0;
|
|
this.length = 1;
|
|
}
|
|
|
|
var carry = 0;
|
|
for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
|
|
var word = this.words[i] | 0;
|
|
this.words[i] = (carry << (26 - r)) | (word >>> r);
|
|
carry = word & mask;
|
|
}
|
|
|
|
// Push carried bits as a mask
|
|
if (maskedWords && carry !== 0) {
|
|
maskedWords.words[maskedWords.length++] = carry;
|
|
}
|
|
|
|
if (this.length === 0) {
|
|
this.words[0] = 0;
|
|
this.length = 1;
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.ishrn = function ishrn (bits, hint, extended) {
|
|
// TODO(indutny): implement me
|
|
assert(this.negative === 0);
|
|
return this.iushrn(bits, hint, extended);
|
|
};
|
|
|
|
// Shift-left
|
|
BN.prototype.shln = function shln (bits) {
|
|
return this.clone().ishln(bits);
|
|
};
|
|
|
|
BN.prototype.ushln = function ushln (bits) {
|
|
return this.clone().iushln(bits);
|
|
};
|
|
|
|
// Shift-right
|
|
BN.prototype.shrn = function shrn (bits) {
|
|
return this.clone().ishrn(bits);
|
|
};
|
|
|
|
BN.prototype.ushrn = function ushrn (bits) {
|
|
return this.clone().iushrn(bits);
|
|
};
|
|
|
|
// Test if n bit is set
|
|
BN.prototype.testn = function testn (bit) {
|
|
assert(typeof bit === 'number' && bit >= 0);
|
|
var r = bit % 26;
|
|
var s = (bit - r) / 26;
|
|
var q = 1 << r;
|
|
|
|
// Fast case: bit is much higher than all existing words
|
|
if (this.length <= s) return false;
|
|
|
|
// Check bit and return
|
|
var w = this.words[s];
|
|
|
|
return !!(w & q);
|
|
};
|
|
|
|
// Return only lowers bits of number (in-place)
|
|
BN.prototype.imaskn = function imaskn (bits) {
|
|
assert(typeof bits === 'number' && bits >= 0);
|
|
var r = bits % 26;
|
|
var s = (bits - r) / 26;
|
|
|
|
assert(this.negative === 0, 'imaskn works only with positive numbers');
|
|
|
|
if (r !== 0) {
|
|
s++;
|
|
}
|
|
this.length = Math.min(s, this.length);
|
|
|
|
if (r !== 0) {
|
|
var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
|
|
this.words[this.length - 1] &= mask;
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
// Return only lowers bits of number
|
|
BN.prototype.maskn = function maskn (bits) {
|
|
return this.clone().imaskn(bits);
|
|
};
|
|
|
|
// Add plain number `num` to `this`
|
|
BN.prototype.iaddn = function iaddn (num) {
|
|
assert(typeof num === 'number');
|
|
assert(num < 0x4000000);
|
|
if (num < 0) return this.isubn(-num);
|
|
|
|
// Possible sign change
|
|
if (this.negative !== 0) {
|
|
if (this.length === 1 && (this.words[0] | 0) < num) {
|
|
this.words[0] = num - (this.words[0] | 0);
|
|
this.negative = 0;
|
|
return this;
|
|
}
|
|
|
|
this.negative = 0;
|
|
this.isubn(num);
|
|
this.negative = 1;
|
|
return this;
|
|
}
|
|
|
|
// Add without checks
|
|
return this._iaddn(num);
|
|
};
|
|
|
|
BN.prototype._iaddn = function _iaddn (num) {
|
|
this.words[0] += num;
|
|
|
|
// Carry
|
|
for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
|
|
this.words[i] -= 0x4000000;
|
|
if (i === this.length - 1) {
|
|
this.words[i + 1] = 1;
|
|
} else {
|
|
this.words[i + 1]++;
|
|
}
|
|
}
|
|
this.length = Math.max(this.length, i + 1);
|
|
|
|
return this;
|
|
};
|
|
|
|
// Subtract plain number `num` from `this`
|
|
BN.prototype.isubn = function isubn (num) {
|
|
assert(typeof num === 'number');
|
|
assert(num < 0x4000000);
|
|
if (num < 0) return this.iaddn(-num);
|
|
|
|
if (this.negative !== 0) {
|
|
this.negative = 0;
|
|
this.iaddn(num);
|
|
this.negative = 1;
|
|
return this;
|
|
}
|
|
|
|
this.words[0] -= num;
|
|
|
|
if (this.length === 1 && this.words[0] < 0) {
|
|
this.words[0] = -this.words[0];
|
|
this.negative = 1;
|
|
} else {
|
|
// Carry
|
|
for (var i = 0; i < this.length && this.words[i] < 0; i++) {
|
|
this.words[i] += 0x4000000;
|
|
this.words[i + 1] -= 1;
|
|
}
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.addn = function addn (num) {
|
|
return this.clone().iaddn(num);
|
|
};
|
|
|
|
BN.prototype.subn = function subn (num) {
|
|
return this.clone().isubn(num);
|
|
};
|
|
|
|
BN.prototype.iabs = function iabs () {
|
|
this.negative = 0;
|
|
|
|
return this;
|
|
};
|
|
|
|
BN.prototype.abs = function abs () {
|
|
return this.clone().iabs();
|
|
};
|
|
|
|
BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
|
|
var len = num.length + shift;
|
|
var i;
|
|
|
|
this._expand(len);
|
|
|
|
var w;
|
|
var carry = 0;
|
|
for (i = 0; i < num.length; i++) {
|
|
w = (this.words[i + shift] | 0) + carry;
|
|
var right = (num.words[i] | 0) * mul;
|
|
w -= right & 0x3ffffff;
|
|
carry = (w >> 26) - ((right / 0x4000000) | 0);
|
|
this.words[i + shift] = w & 0x3ffffff;
|
|
}
|
|
for (; i < this.length - shift; i++) {
|
|
w = (this.words[i + shift] | 0) + carry;
|
|
carry = w >> 26;
|
|
this.words[i + shift] = w & 0x3ffffff;
|
|
}
|
|
|
|
if (carry === 0) return this.strip();
|
|
|
|
// Subtraction overflow
|
|
assert(carry === -1);
|
|
carry = 0;
|
|
for (i = 0; i < this.length; i++) {
|
|
w = -(this.words[i] | 0) + carry;
|
|
carry = w >> 26;
|
|
this.words[i] = w & 0x3ffffff;
|
|
}
|
|
this.negative = 1;
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype._wordDiv = function _wordDiv (num, mode) {
|
|
var shift = this.length - num.length;
|
|
|
|
var a = this.clone();
|
|
var b = num;
|
|
|
|
// Normalize
|
|
var bhi = b.words[b.length - 1] | 0;
|
|
var bhiBits = this._countBits(bhi);
|
|
shift = 26 - bhiBits;
|
|
if (shift !== 0) {
|
|
b = b.ushln(shift);
|
|
a.iushln(shift);
|
|
bhi = b.words[b.length - 1] | 0;
|
|
}
|
|
|
|
// Initialize quotient
|
|
var m = a.length - b.length;
|
|
var q;
|
|
|
|
if (mode !== 'mod') {
|
|
q = new BN(null);
|
|
q.length = m + 1;
|
|
q.words = new Array(q.length);
|
|
for (var i = 0; i < q.length; i++) {
|
|
q.words[i] = 0;
|
|
}
|
|
}
|
|
|
|
var diff = a.clone()._ishlnsubmul(b, 1, m);
|
|
if (diff.negative === 0) {
|
|
a = diff;
|
|
if (q) {
|
|
q.words[m] = 1;
|
|
}
|
|
}
|
|
|
|
for (var j = m - 1; j >= 0; j--) {
|
|
var qj = (a.words[b.length + j] | 0) * 0x4000000 +
|
|
(a.words[b.length + j - 1] | 0);
|
|
|
|
// NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
|
|
// (0x7ffffff)
|
|
qj = Math.min((qj / bhi) | 0, 0x3ffffff);
|
|
|
|
a._ishlnsubmul(b, qj, j);
|
|
while (a.negative !== 0) {
|
|
qj--;
|
|
a.negative = 0;
|
|
a._ishlnsubmul(b, 1, j);
|
|
if (!a.isZero()) {
|
|
a.negative ^= 1;
|
|
}
|
|
}
|
|
if (q) {
|
|
q.words[j] = qj;
|
|
}
|
|
}
|
|
if (q) {
|
|
q.strip();
|
|
}
|
|
a.strip();
|
|
|
|
// Denormalize
|
|
if (mode !== 'div' && shift !== 0) {
|
|
a.iushrn(shift);
|
|
}
|
|
|
|
return {
|
|
div: q || null,
|
|
mod: a
|
|
};
|
|
};
|
|
|
|
// NOTE: 1) `mode` can be set to `mod` to request mod only,
|
|
// to `div` to request div only, or be absent to
|
|
// request both div & mod
|
|
// 2) `positive` is true if unsigned mod is requested
|
|
BN.prototype.divmod = function divmod (num, mode, positive) {
|
|
assert(!num.isZero());
|
|
|
|
if (this.isZero()) {
|
|
return {
|
|
div: new BN(0),
|
|
mod: new BN(0)
|
|
};
|
|
}
|
|
|
|
var div, mod, res;
|
|
if (this.negative !== 0 && num.negative === 0) {
|
|
res = this.neg().divmod(num, mode);
|
|
|
|
if (mode !== 'mod') {
|
|
div = res.div.neg();
|
|
}
|
|
|
|
if (mode !== 'div') {
|
|
mod = res.mod.neg();
|
|
if (positive && mod.negative !== 0) {
|
|
mod.iadd(num);
|
|
}
|
|
}
|
|
|
|
return {
|
|
div: div,
|
|
mod: mod
|
|
};
|
|
}
|
|
|
|
if (this.negative === 0 && num.negative !== 0) {
|
|
res = this.divmod(num.neg(), mode);
|
|
|
|
if (mode !== 'mod') {
|
|
div = res.div.neg();
|
|
}
|
|
|
|
return {
|
|
div: div,
|
|
mod: res.mod
|
|
};
|
|
}
|
|
|
|
if ((this.negative & num.negative) !== 0) {
|
|
res = this.neg().divmod(num.neg(), mode);
|
|
|
|
if (mode !== 'div') {
|
|
mod = res.mod.neg();
|
|
if (positive && mod.negative !== 0) {
|
|
mod.isub(num);
|
|
}
|
|
}
|
|
|
|
return {
|
|
div: res.div,
|
|
mod: mod
|
|
};
|
|
}
|
|
|
|
// Both numbers are positive at this point
|
|
|
|
// Strip both numbers to approximate shift value
|
|
if (num.length > this.length || this.cmp(num) < 0) {
|
|
return {
|
|
div: new BN(0),
|
|
mod: this
|
|
};
|
|
}
|
|
|
|
// Very short reduction
|
|
if (num.length === 1) {
|
|
if (mode === 'div') {
|
|
return {
|
|
div: this.divn(num.words[0]),
|
|
mod: null
|
|
};
|
|
}
|
|
|
|
if (mode === 'mod') {
|
|
return {
|
|
div: null,
|
|
mod: new BN(this.modn(num.words[0]))
|
|
};
|
|
}
|
|
|
|
return {
|
|
div: this.divn(num.words[0]),
|
|
mod: new BN(this.modn(num.words[0]))
|
|
};
|
|
}
|
|
|
|
return this._wordDiv(num, mode);
|
|
};
|
|
|
|
// Find `this` / `num`
|
|
BN.prototype.div = function div (num) {
|
|
return this.divmod(num, 'div', false).div;
|
|
};
|
|
|
|
// Find `this` % `num`
|
|
BN.prototype.mod = function mod (num) {
|
|
return this.divmod(num, 'mod', false).mod;
|
|
};
|
|
|
|
BN.prototype.umod = function umod (num) {
|
|
return this.divmod(num, 'mod', true).mod;
|
|
};
|
|
|
|
// Find Round(`this` / `num`)
|
|
BN.prototype.divRound = function divRound (num) {
|
|
var dm = this.divmod(num);
|
|
|
|
// Fast case - exact division
|
|
if (dm.mod.isZero()) return dm.div;
|
|
|
|
var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
|
|
|
|
var half = num.ushrn(1);
|
|
var r2 = num.andln(1);
|
|
var cmp = mod.cmp(half);
|
|
|
|
// Round down
|
|
if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
|
|
|
|
// Round up
|
|
return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
|
|
};
|
|
|
|
BN.prototype.modn = function modn (num) {
|
|
assert(num <= 0x3ffffff);
|
|
var p = (1 << 26) % num;
|
|
|
|
var acc = 0;
|
|
for (var i = this.length - 1; i >= 0; i--) {
|
|
acc = (p * acc + (this.words[i] | 0)) % num;
|
|
}
|
|
|
|
return acc;
|
|
};
|
|
|
|
// In-place division by number
|
|
BN.prototype.idivn = function idivn (num) {
|
|
assert(num <= 0x3ffffff);
|
|
|
|
var carry = 0;
|
|
for (var i = this.length - 1; i >= 0; i--) {
|
|
var w = (this.words[i] | 0) + carry * 0x4000000;
|
|
this.words[i] = (w / num) | 0;
|
|
carry = w % num;
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.divn = function divn (num) {
|
|
return this.clone().idivn(num);
|
|
};
|
|
|
|
BN.prototype.egcd = function egcd (p) {
|
|
assert(p.negative === 0);
|
|
assert(!p.isZero());
|
|
|
|
var x = this;
|
|
var y = p.clone();
|
|
|
|
if (x.negative !== 0) {
|
|
x = x.umod(p);
|
|
} else {
|
|
x = x.clone();
|
|
}
|
|
|
|
// A * x + B * y = x
|
|
var A = new BN(1);
|
|
var B = new BN(0);
|
|
|
|
// C * x + D * y = y
|
|
var C = new BN(0);
|
|
var D = new BN(1);
|
|
|
|
var g = 0;
|
|
|
|
while (x.isEven() && y.isEven()) {
|
|
x.iushrn(1);
|
|
y.iushrn(1);
|
|
++g;
|
|
}
|
|
|
|
var yp = y.clone();
|
|
var xp = x.clone();
|
|
|
|
while (!x.isZero()) {
|
|
for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
|
|
if (i > 0) {
|
|
x.iushrn(i);
|
|
while (i-- > 0) {
|
|
if (A.isOdd() || B.isOdd()) {
|
|
A.iadd(yp);
|
|
B.isub(xp);
|
|
}
|
|
|
|
A.iushrn(1);
|
|
B.iushrn(1);
|
|
}
|
|
}
|
|
|
|
for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
|
|
if (j > 0) {
|
|
y.iushrn(j);
|
|
while (j-- > 0) {
|
|
if (C.isOdd() || D.isOdd()) {
|
|
C.iadd(yp);
|
|
D.isub(xp);
|
|
}
|
|
|
|
C.iushrn(1);
|
|
D.iushrn(1);
|
|
}
|
|
}
|
|
|
|
if (x.cmp(y) >= 0) {
|
|
x.isub(y);
|
|
A.isub(C);
|
|
B.isub(D);
|
|
} else {
|
|
y.isub(x);
|
|
C.isub(A);
|
|
D.isub(B);
|
|
}
|
|
}
|
|
|
|
return {
|
|
a: C,
|
|
b: D,
|
|
gcd: y.iushln(g)
|
|
};
|
|
};
|
|
|
|
// This is reduced incarnation of the binary EEA
|
|
// above, designated to invert members of the
|
|
// _prime_ fields F(p) at a maximal speed
|
|
BN.prototype._invmp = function _invmp (p) {
|
|
assert(p.negative === 0);
|
|
assert(!p.isZero());
|
|
|
|
var a = this;
|
|
var b = p.clone();
|
|
|
|
if (a.negative !== 0) {
|
|
a = a.umod(p);
|
|
} else {
|
|
a = a.clone();
|
|
}
|
|
|
|
var x1 = new BN(1);
|
|
var x2 = new BN(0);
|
|
|
|
var delta = b.clone();
|
|
|
|
while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
|
|
for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
|
|
if (i > 0) {
|
|
a.iushrn(i);
|
|
while (i-- > 0) {
|
|
if (x1.isOdd()) {
|
|
x1.iadd(delta);
|
|
}
|
|
|
|
x1.iushrn(1);
|
|
}
|
|
}
|
|
|
|
for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
|
|
if (j > 0) {
|
|
b.iushrn(j);
|
|
while (j-- > 0) {
|
|
if (x2.isOdd()) {
|
|
x2.iadd(delta);
|
|
}
|
|
|
|
x2.iushrn(1);
|
|
}
|
|
}
|
|
|
|
if (a.cmp(b) >= 0) {
|
|
a.isub(b);
|
|
x1.isub(x2);
|
|
} else {
|
|
b.isub(a);
|
|
x2.isub(x1);
|
|
}
|
|
}
|
|
|
|
var res;
|
|
if (a.cmpn(1) === 0) {
|
|
res = x1;
|
|
} else {
|
|
res = x2;
|
|
}
|
|
|
|
if (res.cmpn(0) < 0) {
|
|
res.iadd(p);
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
BN.prototype.gcd = function gcd (num) {
|
|
if (this.isZero()) return num.abs();
|
|
if (num.isZero()) return this.abs();
|
|
|
|
var a = this.clone();
|
|
var b = num.clone();
|
|
a.negative = 0;
|
|
b.negative = 0;
|
|
|
|
// Remove common factor of two
|
|
for (var shift = 0; a.isEven() && b.isEven(); shift++) {
|
|
a.iushrn(1);
|
|
b.iushrn(1);
|
|
}
|
|
|
|
do {
|
|
while (a.isEven()) {
|
|
a.iushrn(1);
|
|
}
|
|
while (b.isEven()) {
|
|
b.iushrn(1);
|
|
}
|
|
|
|
var r = a.cmp(b);
|
|
if (r < 0) {
|
|
// Swap `a` and `b` to make `a` always bigger than `b`
|
|
var t = a;
|
|
a = b;
|
|
b = t;
|
|
} else if (r === 0 || b.cmpn(1) === 0) {
|
|
break;
|
|
}
|
|
|
|
a.isub(b);
|
|
} while (true);
|
|
|
|
return b.iushln(shift);
|
|
};
|
|
|
|
// Invert number in the field F(num)
|
|
BN.prototype.invm = function invm (num) {
|
|
return this.egcd(num).a.umod(num);
|
|
};
|
|
|
|
BN.prototype.isEven = function isEven () {
|
|
return (this.words[0] & 1) === 0;
|
|
};
|
|
|
|
BN.prototype.isOdd = function isOdd () {
|
|
return (this.words[0] & 1) === 1;
|
|
};
|
|
|
|
// And first word and num
|
|
BN.prototype.andln = function andln (num) {
|
|
return this.words[0] & num;
|
|
};
|
|
|
|
// Increment at the bit position in-line
|
|
BN.prototype.bincn = function bincn (bit) {
|
|
assert(typeof bit === 'number');
|
|
var r = bit % 26;
|
|
var s = (bit - r) / 26;
|
|
var q = 1 << r;
|
|
|
|
// Fast case: bit is much higher than all existing words
|
|
if (this.length <= s) {
|
|
this._expand(s + 1);
|
|
this.words[s] |= q;
|
|
return this;
|
|
}
|
|
|
|
// Add bit and propagate, if needed
|
|
var carry = q;
|
|
for (var i = s; carry !== 0 && i < this.length; i++) {
|
|
var w = this.words[i] | 0;
|
|
w += carry;
|
|
carry = w >>> 26;
|
|
w &= 0x3ffffff;
|
|
this.words[i] = w;
|
|
}
|
|
if (carry !== 0) {
|
|
this.words[i] = carry;
|
|
this.length++;
|
|
}
|
|
return this;
|
|
};
|
|
|
|
BN.prototype.isZero = function isZero () {
|
|
return this.length === 1 && this.words[0] === 0;
|
|
};
|
|
|
|
BN.prototype.cmpn = function cmpn (num) {
|
|
var negative = num < 0;
|
|
|
|
if (this.negative !== 0 && !negative) return -1;
|
|
if (this.negative === 0 && negative) return 1;
|
|
|
|
this.strip();
|
|
|
|
var res;
|
|
if (this.length > 1) {
|
|
res = 1;
|
|
} else {
|
|
if (negative) {
|
|
num = -num;
|
|
}
|
|
|
|
assert(num <= 0x3ffffff, 'Number is too big');
|
|
|
|
var w = this.words[0] | 0;
|
|
res = w === num ? 0 : w < num ? -1 : 1;
|
|
}
|
|
if (this.negative !== 0) return -res | 0;
|
|
return res;
|
|
};
|
|
|
|
// Compare two numbers and return:
|
|
// 1 - if `this` > `num`
|
|
// 0 - if `this` == `num`
|
|
// -1 - if `this` < `num`
|
|
BN.prototype.cmp = function cmp (num) {
|
|
if (this.negative !== 0 && num.negative === 0) return -1;
|
|
if (this.negative === 0 && num.negative !== 0) return 1;
|
|
|
|
var res = this.ucmp(num);
|
|
if (this.negative !== 0) return -res | 0;
|
|
return res;
|
|
};
|
|
|
|
// Unsigned comparison
|
|
BN.prototype.ucmp = function ucmp (num) {
|
|
// At this point both numbers have the same sign
|
|
if (this.length > num.length) return 1;
|
|
if (this.length < num.length) return -1;
|
|
|
|
var res = 0;
|
|
for (var i = this.length - 1; i >= 0; i--) {
|
|
var a = this.words[i] | 0;
|
|
var b = num.words[i] | 0;
|
|
|
|
if (a === b) continue;
|
|
if (a < b) {
|
|
res = -1;
|
|
} else if (a > b) {
|
|
res = 1;
|
|
}
|
|
break;
|
|
}
|
|
return res;
|
|
};
|
|
|
|
BN.prototype.gtn = function gtn (num) {
|
|
return this.cmpn(num) === 1;
|
|
};
|
|
|
|
BN.prototype.gt = function gt (num) {
|
|
return this.cmp(num) === 1;
|
|
};
|
|
|
|
BN.prototype.gten = function gten (num) {
|
|
return this.cmpn(num) >= 0;
|
|
};
|
|
|
|
BN.prototype.gte = function gte (num) {
|
|
return this.cmp(num) >= 0;
|
|
};
|
|
|
|
BN.prototype.ltn = function ltn (num) {
|
|
return this.cmpn(num) === -1;
|
|
};
|
|
|
|
BN.prototype.lt = function lt (num) {
|
|
return this.cmp(num) === -1;
|
|
};
|
|
|
|
BN.prototype.lten = function lten (num) {
|
|
return this.cmpn(num) <= 0;
|
|
};
|
|
|
|
BN.prototype.lte = function lte (num) {
|
|
return this.cmp(num) <= 0;
|
|
};
|
|
|
|
BN.prototype.eqn = function eqn (num) {
|
|
return this.cmpn(num) === 0;
|
|
};
|
|
|
|
BN.prototype.eq = function eq (num) {
|
|
return this.cmp(num) === 0;
|
|
};
|
|
|
|
//
|
|
// A reduce context, could be using montgomery or something better, depending
|
|
// on the `m` itself.
|
|
//
|
|
BN.red = function red (num) {
|
|
return new Red(num);
|
|
};
|
|
|
|
BN.prototype.toRed = function toRed (ctx) {
|
|
assert(!this.red, 'Already a number in reduction context');
|
|
assert(this.negative === 0, 'red works only with positives');
|
|
return ctx.convertTo(this)._forceRed(ctx);
|
|
};
|
|
|
|
BN.prototype.fromRed = function fromRed () {
|
|
assert(this.red, 'fromRed works only with numbers in reduction context');
|
|
return this.red.convertFrom(this);
|
|
};
|
|
|
|
BN.prototype._forceRed = function _forceRed (ctx) {
|
|
this.red = ctx;
|
|
return this;
|
|
};
|
|
|
|
BN.prototype.forceRed = function forceRed (ctx) {
|
|
assert(!this.red, 'Already a number in reduction context');
|
|
return this._forceRed(ctx);
|
|
};
|
|
|
|
BN.prototype.redAdd = function redAdd (num) {
|
|
assert(this.red, 'redAdd works only with red numbers');
|
|
return this.red.add(this, num);
|
|
};
|
|
|
|
BN.prototype.redIAdd = function redIAdd (num) {
|
|
assert(this.red, 'redIAdd works only with red numbers');
|
|
return this.red.iadd(this, num);
|
|
};
|
|
|
|
BN.prototype.redSub = function redSub (num) {
|
|
assert(this.red, 'redSub works only with red numbers');
|
|
return this.red.sub(this, num);
|
|
};
|
|
|
|
BN.prototype.redISub = function redISub (num) {
|
|
assert(this.red, 'redISub works only with red numbers');
|
|
return this.red.isub(this, num);
|
|
};
|
|
|
|
BN.prototype.redShl = function redShl (num) {
|
|
assert(this.red, 'redShl works only with red numbers');
|
|
return this.red.shl(this, num);
|
|
};
|
|
|
|
BN.prototype.redMul = function redMul (num) {
|
|
assert(this.red, 'redMul works only with red numbers');
|
|
this.red._verify2(this, num);
|
|
return this.red.mul(this, num);
|
|
};
|
|
|
|
BN.prototype.redIMul = function redIMul (num) {
|
|
assert(this.red, 'redMul works only with red numbers');
|
|
this.red._verify2(this, num);
|
|
return this.red.imul(this, num);
|
|
};
|
|
|
|
BN.prototype.redSqr = function redSqr () {
|
|
assert(this.red, 'redSqr works only with red numbers');
|
|
this.red._verify1(this);
|
|
return this.red.sqr(this);
|
|
};
|
|
|
|
BN.prototype.redISqr = function redISqr () {
|
|
assert(this.red, 'redISqr works only with red numbers');
|
|
this.red._verify1(this);
|
|
return this.red.isqr(this);
|
|
};
|
|
|
|
// Square root over p
|
|
BN.prototype.redSqrt = function redSqrt () {
|
|
assert(this.red, 'redSqrt works only with red numbers');
|
|
this.red._verify1(this);
|
|
return this.red.sqrt(this);
|
|
};
|
|
|
|
BN.prototype.redInvm = function redInvm () {
|
|
assert(this.red, 'redInvm works only with red numbers');
|
|
this.red._verify1(this);
|
|
return this.red.invm(this);
|
|
};
|
|
|
|
// Return negative clone of `this` % `red modulo`
|
|
BN.prototype.redNeg = function redNeg () {
|
|
assert(this.red, 'redNeg works only with red numbers');
|
|
this.red._verify1(this);
|
|
return this.red.neg(this);
|
|
};
|
|
|
|
BN.prototype.redPow = function redPow (num) {
|
|
assert(this.red && !num.red, 'redPow(normalNum)');
|
|
this.red._verify1(this);
|
|
return this.red.pow(this, num);
|
|
};
|
|
|
|
// Prime numbers with efficient reduction
|
|
var primes = {
|
|
k256: null,
|
|
p224: null,
|
|
p192: null,
|
|
p25519: null
|
|
};
|
|
|
|
// Pseudo-Mersenne prime
|
|
function MPrime (name, p) {
|
|
// P = 2 ^ N - K
|
|
this.name = name;
|
|
this.p = new BN(p, 16);
|
|
this.n = this.p.bitLength();
|
|
this.k = new BN(1).iushln(this.n).isub(this.p);
|
|
|
|
this.tmp = this._tmp();
|
|
}
|
|
|
|
MPrime.prototype._tmp = function _tmp () {
|
|
var tmp = new BN(null);
|
|
tmp.words = new Array(Math.ceil(this.n / 13));
|
|
return tmp;
|
|
};
|
|
|
|
MPrime.prototype.ireduce = function ireduce (num) {
|
|
// Assumes that `num` is less than `P^2`
|
|
// num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
|
|
var r = num;
|
|
var rlen;
|
|
|
|
do {
|
|
this.split(r, this.tmp);
|
|
r = this.imulK(r);
|
|
r = r.iadd(this.tmp);
|
|
rlen = r.bitLength();
|
|
} while (rlen > this.n);
|
|
|
|
var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
|
|
if (cmp === 0) {
|
|
r.words[0] = 0;
|
|
r.length = 1;
|
|
} else if (cmp > 0) {
|
|
r.isub(this.p);
|
|
} else {
|
|
r.strip();
|
|
}
|
|
|
|
return r;
|
|
};
|
|
|
|
MPrime.prototype.split = function split (input, out) {
|
|
input.iushrn(this.n, 0, out);
|
|
};
|
|
|
|
MPrime.prototype.imulK = function imulK (num) {
|
|
return num.imul(this.k);
|
|
};
|
|
|
|
function K256 () {
|
|
MPrime.call(
|
|
this,
|
|
'k256',
|
|
'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
|
|
}
|
|
inherits(K256, MPrime);
|
|
|
|
K256.prototype.split = function split (input, output) {
|
|
// 256 = 9 * 26 + 22
|
|
var mask = 0x3fffff;
|
|
|
|
var outLen = Math.min(input.length, 9);
|
|
for (var i = 0; i < outLen; i++) {
|
|
output.words[i] = input.words[i];
|
|
}
|
|
output.length = outLen;
|
|
|
|
if (input.length <= 9) {
|
|
input.words[0] = 0;
|
|
input.length = 1;
|
|
return;
|
|
}
|
|
|
|
// Shift by 9 limbs
|
|
var prev = input.words[9];
|
|
output.words[output.length++] = prev & mask;
|
|
|
|
for (i = 10; i < input.length; i++) {
|
|
var next = input.words[i] | 0;
|
|
input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
|
|
prev = next;
|
|
}
|
|
prev >>>= 22;
|
|
input.words[i - 10] = prev;
|
|
if (prev === 0 && input.length > 10) {
|
|
input.length -= 10;
|
|
} else {
|
|
input.length -= 9;
|
|
}
|
|
};
|
|
|
|
K256.prototype.imulK = function imulK (num) {
|
|
// K = 0x1000003d1 = [ 0x40, 0x3d1 ]
|
|
num.words[num.length] = 0;
|
|
num.words[num.length + 1] = 0;
|
|
num.length += 2;
|
|
|
|
// bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
|
|
var lo = 0;
|
|
for (var i = 0; i < num.length; i++) {
|
|
var w = num.words[i] | 0;
|
|
lo += w * 0x3d1;
|
|
num.words[i] = lo & 0x3ffffff;
|
|
lo = w * 0x40 + ((lo / 0x4000000) | 0);
|
|
}
|
|
|
|
// Fast length reduction
|
|
if (num.words[num.length - 1] === 0) {
|
|
num.length--;
|
|
if (num.words[num.length - 1] === 0) {
|
|
num.length--;
|
|
}
|
|
}
|
|
return num;
|
|
};
|
|
|
|
function P224 () {
|
|
MPrime.call(
|
|
this,
|
|
'p224',
|
|
'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
|
|
}
|
|
inherits(P224, MPrime);
|
|
|
|
function P192 () {
|
|
MPrime.call(
|
|
this,
|
|
'p192',
|
|
'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
|
|
}
|
|
inherits(P192, MPrime);
|
|
|
|
function P25519 () {
|
|
// 2 ^ 255 - 19
|
|
MPrime.call(
|
|
this,
|
|
'25519',
|
|
'7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
|
|
}
|
|
inherits(P25519, MPrime);
|
|
|
|
P25519.prototype.imulK = function imulK (num) {
|
|
// K = 0x13
|
|
var carry = 0;
|
|
for (var i = 0; i < num.length; i++) {
|
|
var hi = (num.words[i] | 0) * 0x13 + carry;
|
|
var lo = hi & 0x3ffffff;
|
|
hi >>>= 26;
|
|
|
|
num.words[i] = lo;
|
|
carry = hi;
|
|
}
|
|
if (carry !== 0) {
|
|
num.words[num.length++] = carry;
|
|
}
|
|
return num;
|
|
};
|
|
|
|
// Exported mostly for testing purposes, use plain name instead
|
|
BN._prime = function prime (name) {
|
|
// Cached version of prime
|
|
if (primes[name]) return primes[name];
|
|
|
|
var prime;
|
|
if (name === 'k256') {
|
|
prime = new K256();
|
|
} else if (name === 'p224') {
|
|
prime = new P224();
|
|
} else if (name === 'p192') {
|
|
prime = new P192();
|
|
} else if (name === 'p25519') {
|
|
prime = new P25519();
|
|
} else {
|
|
throw new Error('Unknown prime ' + name);
|
|
}
|
|
primes[name] = prime;
|
|
|
|
return prime;
|
|
};
|
|
|
|
//
|
|
// Base reduction engine
|
|
//
|
|
function Red (m) {
|
|
if (typeof m === 'string') {
|
|
var prime = BN._prime(m);
|
|
this.m = prime.p;
|
|
this.prime = prime;
|
|
} else {
|
|
assert(m.gtn(1), 'modulus must be greater than 1');
|
|
this.m = m;
|
|
this.prime = null;
|
|
}
|
|
}
|
|
|
|
Red.prototype._verify1 = function _verify1 (a) {
|
|
assert(a.negative === 0, 'red works only with positives');
|
|
assert(a.red, 'red works only with red numbers');
|
|
};
|
|
|
|
Red.prototype._verify2 = function _verify2 (a, b) {
|
|
assert((a.negative | b.negative) === 0, 'red works only with positives');
|
|
assert(a.red && a.red === b.red,
|
|
'red works only with red numbers');
|
|
};
|
|
|
|
Red.prototype.imod = function imod (a) {
|
|
if (this.prime) return this.prime.ireduce(a)._forceRed(this);
|
|
return a.umod(this.m)._forceRed(this);
|
|
};
|
|
|
|
Red.prototype.neg = function neg (a) {
|
|
if (a.isZero()) {
|
|
return a.clone();
|
|
}
|
|
|
|
return this.m.sub(a)._forceRed(this);
|
|
};
|
|
|
|
Red.prototype.add = function add (a, b) {
|
|
this._verify2(a, b);
|
|
|
|
var res = a.add(b);
|
|
if (res.cmp(this.m) >= 0) {
|
|
res.isub(this.m);
|
|
}
|
|
return res._forceRed(this);
|
|
};
|
|
|
|
Red.prototype.iadd = function iadd (a, b) {
|
|
this._verify2(a, b);
|
|
|
|
var res = a.iadd(b);
|
|
if (res.cmp(this.m) >= 0) {
|
|
res.isub(this.m);
|
|
}
|
|
return res;
|
|
};
|
|
|
|
Red.prototype.sub = function sub (a, b) {
|
|
this._verify2(a, b);
|
|
|
|
var res = a.sub(b);
|
|
if (res.cmpn(0) < 0) {
|
|
res.iadd(this.m);
|
|
}
|
|
return res._forceRed(this);
|
|
};
|
|
|
|
Red.prototype.isub = function isub (a, b) {
|
|
this._verify2(a, b);
|
|
|
|
var res = a.isub(b);
|
|
if (res.cmpn(0) < 0) {
|
|
res.iadd(this.m);
|
|
}
|
|
return res;
|
|
};
|
|
|
|
Red.prototype.shl = function shl (a, num) {
|
|
this._verify1(a);
|
|
return this.imod(a.ushln(num));
|
|
};
|
|
|
|
Red.prototype.imul = function imul (a, b) {
|
|
this._verify2(a, b);
|
|
return this.imod(a.imul(b));
|
|
};
|
|
|
|
Red.prototype.mul = function mul (a, b) {
|
|
this._verify2(a, b);
|
|
return this.imod(a.mul(b));
|
|
};
|
|
|
|
Red.prototype.isqr = function isqr (a) {
|
|
return this.imul(a, a.clone());
|
|
};
|
|
|
|
Red.prototype.sqr = function sqr (a) {
|
|
return this.mul(a, a);
|
|
};
|
|
|
|
Red.prototype.sqrt = function sqrt (a) {
|
|
if (a.isZero()) return a.clone();
|
|
|
|
var mod3 = this.m.andln(3);
|
|
assert(mod3 % 2 === 1);
|
|
|
|
// Fast case
|
|
if (mod3 === 3) {
|
|
var pow = this.m.add(new BN(1)).iushrn(2);
|
|
return this.pow(a, pow);
|
|
}
|
|
|
|
// Tonelli-Shanks algorithm (Totally unoptimized and slow)
|
|
//
|
|
// Find Q and S, that Q * 2 ^ S = (P - 1)
|
|
var q = this.m.subn(1);
|
|
var s = 0;
|
|
while (!q.isZero() && q.andln(1) === 0) {
|
|
s++;
|
|
q.iushrn(1);
|
|
}
|
|
assert(!q.isZero());
|
|
|
|
var one = new BN(1).toRed(this);
|
|
var nOne = one.redNeg();
|
|
|
|
// Find quadratic non-residue
|
|
// NOTE: Max is such because of generalized Riemann hypothesis.
|
|
var lpow = this.m.subn(1).iushrn(1);
|
|
var z = this.m.bitLength();
|
|
z = new BN(2 * z * z).toRed(this);
|
|
|
|
while (this.pow(z, lpow).cmp(nOne) !== 0) {
|
|
z.redIAdd(nOne);
|
|
}
|
|
|
|
var c = this.pow(z, q);
|
|
var r = this.pow(a, q.addn(1).iushrn(1));
|
|
var t = this.pow(a, q);
|
|
var m = s;
|
|
while (t.cmp(one) !== 0) {
|
|
var tmp = t;
|
|
for (var i = 0; tmp.cmp(one) !== 0; i++) {
|
|
tmp = tmp.redSqr();
|
|
}
|
|
assert(i < m);
|
|
var b = this.pow(c, new BN(1).iushln(m - i - 1));
|
|
|
|
r = r.redMul(b);
|
|
c = b.redSqr();
|
|
t = t.redMul(c);
|
|
m = i;
|
|
}
|
|
|
|
return r;
|
|
};
|
|
|
|
Red.prototype.invm = function invm (a) {
|
|
var inv = a._invmp(this.m);
|
|
if (inv.negative !== 0) {
|
|
inv.negative = 0;
|
|
return this.imod(inv).redNeg();
|
|
} else {
|
|
return this.imod(inv);
|
|
}
|
|
};
|
|
|
|
Red.prototype.pow = function pow (a, num) {
|
|
if (num.isZero()) return new BN(1);
|
|
if (num.cmpn(1) === 0) return a.clone();
|
|
|
|
var windowSize = 4;
|
|
var wnd = new Array(1 << windowSize);
|
|
wnd[0] = new BN(1).toRed(this);
|
|
wnd[1] = a;
|
|
for (var i = 2; i < wnd.length; i++) {
|
|
wnd[i] = this.mul(wnd[i - 1], a);
|
|
}
|
|
|
|
var res = wnd[0];
|
|
var current = 0;
|
|
var currentLen = 0;
|
|
var start = num.bitLength() % 26;
|
|
if (start === 0) {
|
|
start = 26;
|
|
}
|
|
|
|
for (i = num.length - 1; i >= 0; i--) {
|
|
var word = num.words[i];
|
|
for (var j = start - 1; j >= 0; j--) {
|
|
var bit = (word >> j) & 1;
|
|
if (res !== wnd[0]) {
|
|
res = this.sqr(res);
|
|
}
|
|
|
|
if (bit === 0 && current === 0) {
|
|
currentLen = 0;
|
|
continue;
|
|
}
|
|
|
|
current <<= 1;
|
|
current |= bit;
|
|
currentLen++;
|
|
if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
|
|
|
|
res = this.mul(res, wnd[current]);
|
|
currentLen = 0;
|
|
current = 0;
|
|
}
|
|
start = 26;
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
Red.prototype.convertTo = function convertTo (num) {
|
|
var r = num.umod(this.m);
|
|
|
|
return r === num ? r.clone() : r;
|
|
};
|
|
|
|
Red.prototype.convertFrom = function convertFrom (num) {
|
|
var res = num.clone();
|
|
res.red = null;
|
|
return res;
|
|
};
|
|
|
|
//
|
|
// Montgomery method engine
|
|
//
|
|
|
|
BN.mont = function mont (num) {
|
|
return new Mont(num);
|
|
};
|
|
|
|
function Mont (m) {
|
|
Red.call(this, m);
|
|
|
|
this.shift = this.m.bitLength();
|
|
if (this.shift % 26 !== 0) {
|
|
this.shift += 26 - (this.shift % 26);
|
|
}
|
|
|
|
this.r = new BN(1).iushln(this.shift);
|
|
this.r2 = this.imod(this.r.sqr());
|
|
this.rinv = this.r._invmp(this.m);
|
|
|
|
this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
|
|
this.minv = this.minv.umod(this.r);
|
|
this.minv = this.r.sub(this.minv);
|
|
}
|
|
inherits(Mont, Red);
|
|
|
|
Mont.prototype.convertTo = function convertTo (num) {
|
|
return this.imod(num.ushln(this.shift));
|
|
};
|
|
|
|
Mont.prototype.convertFrom = function convertFrom (num) {
|
|
var r = this.imod(num.mul(this.rinv));
|
|
r.red = null;
|
|
return r;
|
|
};
|
|
|
|
Mont.prototype.imul = function imul (a, b) {
|
|
if (a.isZero() || b.isZero()) {
|
|
a.words[0] = 0;
|
|
a.length = 1;
|
|
return a;
|
|
}
|
|
|
|
var t = a.imul(b);
|
|
var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
|
|
var u = t.isub(c).iushrn(this.shift);
|
|
var res = u;
|
|
|
|
if (u.cmp(this.m) >= 0) {
|
|
res = u.isub(this.m);
|
|
} else if (u.cmpn(0) < 0) {
|
|
res = u.iadd(this.m);
|
|
}
|
|
|
|
return res._forceRed(this);
|
|
};
|
|
|
|
Mont.prototype.mul = function mul (a, b) {
|
|
if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
|
|
|
|
var t = a.mul(b);
|
|
var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
|
|
var u = t.isub(c).iushrn(this.shift);
|
|
var res = u;
|
|
if (u.cmp(this.m) >= 0) {
|
|
res = u.isub(this.m);
|
|
} else if (u.cmpn(0) < 0) {
|
|
res = u.iadd(this.m);
|
|
}
|
|
|
|
return res._forceRed(this);
|
|
};
|
|
|
|
Mont.prototype.invm = function invm (a) {
|
|
// (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
|
|
var res = this.imod(a._invmp(this.m).mul(this.r2));
|
|
return res._forceRed(this);
|
|
};
|
|
})(typeof module === 'undefined' || module, this);
|
|
|
|
},{}],23:[function(require,module,exports){
|
|
var r;
|
|
|
|
module.exports = function rand(len) {
|
|
if (!r)
|
|
r = new Rand(null);
|
|
|
|
return r.generate(len);
|
|
};
|
|
|
|
function Rand(rand) {
|
|
this.rand = rand;
|
|
}
|
|
module.exports.Rand = Rand;
|
|
|
|
Rand.prototype.generate = function generate(len) {
|
|
return this._rand(len);
|
|
};
|
|
|
|
if (typeof window === 'object') {
|
|
if (window.crypto && window.crypto.getRandomValues) {
|
|
// Modern browsers
|
|
Rand.prototype._rand = function _rand(n) {
|
|
var arr = new Uint8Array(n);
|
|
window.crypto.getRandomValues(arr);
|
|
return arr;
|
|
};
|
|
} else if (window.msCrypto && window.msCrypto.getRandomValues) {
|
|
// IE
|
|
Rand.prototype._rand = function _rand(n) {
|
|
var arr = new Uint8Array(n);
|
|
window.msCrypto.getRandomValues(arr);
|
|
return arr;
|
|
};
|
|
} else {
|
|
// Old junk
|
|
Rand.prototype._rand = function() {
|
|
throw new Error('Not implemented yet');
|
|
};
|
|
}
|
|
} else {
|
|
// Node.js or Web worker
|
|
try {
|
|
var crypto = require('cry' + 'pto');
|
|
|
|
Rand.prototype._rand = function _rand(n) {
|
|
return crypto.randomBytes(n);
|
|
};
|
|
} catch (e) {
|
|
// Emulate crypto API using randy
|
|
Rand.prototype._rand = function _rand(n) {
|
|
var res = new Uint8Array(n);
|
|
for (var i = 0; i < res.length; i++)
|
|
res[i] = this.rand.getByte();
|
|
return res;
|
|
};
|
|
}
|
|
}
|
|
|
|
},{}],24:[function(require,module,exports){
|
|
var hash = exports;
|
|
|
|
hash.utils = require('./hash/utils');
|
|
hash.common = require('./hash/common');
|
|
hash.sha = require('./hash/sha');
|
|
hash.ripemd = require('./hash/ripemd');
|
|
hash.hmac = require('./hash/hmac');
|
|
|
|
// Proxy hash functions to the main object
|
|
hash.sha1 = hash.sha.sha1;
|
|
hash.sha256 = hash.sha.sha256;
|
|
hash.sha224 = hash.sha.sha224;
|
|
hash.sha384 = hash.sha.sha384;
|
|
hash.sha512 = hash.sha.sha512;
|
|
hash.ripemd160 = hash.ripemd.ripemd160;
|
|
|
|
},{"./hash/common":25,"./hash/hmac":26,"./hash/ripemd":27,"./hash/sha":28,"./hash/utils":29}],25:[function(require,module,exports){
|
|
var hash = require('../hash');
|
|
var utils = hash.utils;
|
|
var assert = utils.assert;
|
|
|
|
function BlockHash() {
|
|
this.pending = null;
|
|
this.pendingTotal = 0;
|
|
this.blockSize = this.constructor.blockSize;
|
|
this.outSize = this.constructor.outSize;
|
|
this.hmacStrength = this.constructor.hmacStrength;
|
|
this.padLength = this.constructor.padLength / 8;
|
|
this.endian = 'big';
|
|
|
|
this._delta8 = this.blockSize / 8;
|
|
this._delta32 = this.blockSize / 32;
|
|
}
|
|
exports.BlockHash = BlockHash;
|
|
|
|
BlockHash.prototype.update = function update(msg, enc) {
|
|
// Convert message to array, pad it, and join into 32bit blocks
|
|
msg = utils.toArray(msg, enc);
|
|
if (!this.pending)
|
|
this.pending = msg;
|
|
else
|
|
this.pending = this.pending.concat(msg);
|
|
this.pendingTotal += msg.length;
|
|
|
|
// Enough data, try updating
|
|
if (this.pending.length >= this._delta8) {
|
|
msg = this.pending;
|
|
|
|
// Process pending data in blocks
|
|
var r = msg.length % this._delta8;
|
|
this.pending = msg.slice(msg.length - r, msg.length);
|
|
if (this.pending.length === 0)
|
|
this.pending = null;
|
|
|
|
msg = utils.join32(msg, 0, msg.length - r, this.endian);
|
|
for (var i = 0; i < msg.length; i += this._delta32)
|
|
this._update(msg, i, i + this._delta32);
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
BlockHash.prototype.digest = function digest(enc) {
|
|
this.update(this._pad());
|
|
assert(this.pending === null);
|
|
|
|
return this._digest(enc);
|
|
};
|
|
|
|
BlockHash.prototype._pad = function pad() {
|
|
var len = this.pendingTotal;
|
|
var bytes = this._delta8;
|
|
var k = bytes - ((len + this.padLength) % bytes);
|
|
var res = new Array(k + this.padLength);
|
|
res[0] = 0x80;
|
|
for (var i = 1; i < k; i++)
|
|
res[i] = 0;
|
|
|
|
// Append length
|
|
len <<= 3;
|
|
if (this.endian === 'big') {
|
|
for (var t = 8; t < this.padLength; t++)
|
|
res[i++] = 0;
|
|
|
|
res[i++] = 0;
|
|
res[i++] = 0;
|
|
res[i++] = 0;
|
|
res[i++] = 0;
|
|
res[i++] = (len >>> 24) & 0xff;
|
|
res[i++] = (len >>> 16) & 0xff;
|
|
res[i++] = (len >>> 8) & 0xff;
|
|
res[i++] = len & 0xff;
|
|
} else {
|
|
res[i++] = len & 0xff;
|
|
res[i++] = (len >>> 8) & 0xff;
|
|
res[i++] = (len >>> 16) & 0xff;
|
|
res[i++] = (len >>> 24) & 0xff;
|
|
res[i++] = 0;
|
|
res[i++] = 0;
|
|
res[i++] = 0;
|
|
res[i++] = 0;
|
|
|
|
for (var t = 8; t < this.padLength; t++)
|
|
res[i++] = 0;
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
},{"../hash":24}],26:[function(require,module,exports){
|
|
var hmac = exports;
|
|
|
|
var hash = require('../hash');
|
|
var utils = hash.utils;
|
|
var assert = utils.assert;
|
|
|
|
function Hmac(hash, key, enc) {
|
|
if (!(this instanceof Hmac))
|
|
return new Hmac(hash, key, enc);
|
|
this.Hash = hash;
|
|
this.blockSize = hash.blockSize / 8;
|
|
this.outSize = hash.outSize / 8;
|
|
this.inner = null;
|
|
this.outer = null;
|
|
|
|
this._init(utils.toArray(key, enc));
|
|
}
|
|
module.exports = Hmac;
|
|
|
|
Hmac.prototype._init = function init(key) {
|
|
// Shorten key, if needed
|
|
if (key.length > this.blockSize)
|
|
key = new this.Hash().update(key).digest();
|
|
assert(key.length <= this.blockSize);
|
|
|
|
// Add padding to key
|
|
for (var i = key.length; i < this.blockSize; i++)
|
|
key.push(0);
|
|
|
|
for (var i = 0; i < key.length; i++)
|
|
key[i] ^= 0x36;
|
|
this.inner = new this.Hash().update(key);
|
|
|
|
// 0x36 ^ 0x5c = 0x6a
|
|
for (var i = 0; i < key.length; i++)
|
|
key[i] ^= 0x6a;
|
|
this.outer = new this.Hash().update(key);
|
|
};
|
|
|
|
Hmac.prototype.update = function update(msg, enc) {
|
|
this.inner.update(msg, enc);
|
|
return this;
|
|
};
|
|
|
|
Hmac.prototype.digest = function digest(enc) {
|
|
this.outer.update(this.inner.digest());
|
|
return this.outer.digest(enc);
|
|
};
|
|
|
|
},{"../hash":24}],27:[function(require,module,exports){
|
|
var hash = require('../hash');
|
|
var utils = hash.utils;
|
|
|
|
var rotl32 = utils.rotl32;
|
|
var sum32 = utils.sum32;
|
|
var sum32_3 = utils.sum32_3;
|
|
var sum32_4 = utils.sum32_4;
|
|
var BlockHash = hash.common.BlockHash;
|
|
|
|
function RIPEMD160() {
|
|
if (!(this instanceof RIPEMD160))
|
|
return new RIPEMD160();
|
|
|
|
BlockHash.call(this);
|
|
|
|
this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe, 0x10325476, 0xc3d2e1f0 ];
|
|
this.endian = 'little';
|
|
}
|
|
utils.inherits(RIPEMD160, BlockHash);
|
|
exports.ripemd160 = RIPEMD160;
|
|
|
|
RIPEMD160.blockSize = 512;
|
|
RIPEMD160.outSize = 160;
|
|
RIPEMD160.hmacStrength = 192;
|
|
RIPEMD160.padLength = 64;
|
|
|
|
RIPEMD160.prototype._update = function update(msg, start) {
|
|
var A = this.h[0];
|
|
var B = this.h[1];
|
|
var C = this.h[2];
|
|
var D = this.h[3];
|
|
var E = this.h[4];
|
|
var Ah = A;
|
|
var Bh = B;
|
|
var Ch = C;
|
|
var Dh = D;
|
|
var Eh = E;
|
|
for (var j = 0; j < 80; j++) {
|
|
var T = sum32(
|
|
rotl32(
|
|
sum32_4(A, f(j, B, C, D), msg[r[j] + start], K(j)),
|
|
s[j]),
|
|
E);
|
|
A = E;
|
|
E = D;
|
|
D = rotl32(C, 10);
|
|
C = B;
|
|
B = T;
|
|
T = sum32(
|
|
rotl32(
|
|
sum32_4(Ah, f(79 - j, Bh, Ch, Dh), msg[rh[j] + start], Kh(j)),
|
|
sh[j]),
|
|
Eh);
|
|
Ah = Eh;
|
|
Eh = Dh;
|
|
Dh = rotl32(Ch, 10);
|
|
Ch = Bh;
|
|
Bh = T;
|
|
}
|
|
T = sum32_3(this.h[1], C, Dh);
|
|
this.h[1] = sum32_3(this.h[2], D, Eh);
|
|
this.h[2] = sum32_3(this.h[3], E, Ah);
|
|
this.h[3] = sum32_3(this.h[4], A, Bh);
|
|
this.h[4] = sum32_3(this.h[0], B, Ch);
|
|
this.h[0] = T;
|
|
};
|
|
|
|
RIPEMD160.prototype._digest = function digest(enc) {
|
|
if (enc === 'hex')
|
|
return utils.toHex32(this.h, 'little');
|
|
else
|
|
return utils.split32(this.h, 'little');
|
|
};
|
|
|
|
function f(j, x, y, z) {
|
|
if (j <= 15)
|
|
return x ^ y ^ z;
|
|
else if (j <= 31)
|
|
return (x & y) | ((~x) & z);
|
|
else if (j <= 47)
|
|
return (x | (~y)) ^ z;
|
|
else if (j <= 63)
|
|
return (x & z) | (y & (~z));
|
|
else
|
|
return x ^ (y | (~z));
|
|
}
|
|
|
|
function K(j) {
|
|
if (j <= 15)
|
|
return 0x00000000;
|
|
else if (j <= 31)
|
|
return 0x5a827999;
|
|
else if (j <= 47)
|
|
return 0x6ed9eba1;
|
|
else if (j <= 63)
|
|
return 0x8f1bbcdc;
|
|
else
|
|
return 0xa953fd4e;
|
|
}
|
|
|
|
function Kh(j) {
|
|
if (j <= 15)
|
|
return 0x50a28be6;
|
|
else if (j <= 31)
|
|
return 0x5c4dd124;
|
|
else if (j <= 47)
|
|
return 0x6d703ef3;
|
|
else if (j <= 63)
|
|
return 0x7a6d76e9;
|
|
else
|
|
return 0x00000000;
|
|
}
|
|
|
|
var r = [
|
|
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
|
|
7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
|
|
3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
|
|
1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
|
|
4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
|
|
];
|
|
|
|
var rh = [
|
|
5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
|
|
6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
|
|
15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
|
|
8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
|
|
12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
|
|
];
|
|
|
|
var s = [
|
|
11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
|
|
7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
|
|
11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
|
|
11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
|
|
9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
|
|
];
|
|
|
|
var sh = [
|
|
8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
|
|
9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
|
|
9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
|
|
15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
|
|
8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
|
|
];
|
|
|
|
},{"../hash":24}],28:[function(require,module,exports){
|
|
var hash = require('../hash');
|
|
var utils = hash.utils;
|
|
var assert = utils.assert;
|
|
|
|
var rotr32 = utils.rotr32;
|
|
var rotl32 = utils.rotl32;
|
|
var sum32 = utils.sum32;
|
|
var sum32_4 = utils.sum32_4;
|
|
var sum32_5 = utils.sum32_5;
|
|
var rotr64_hi = utils.rotr64_hi;
|
|
var rotr64_lo = utils.rotr64_lo;
|
|
var shr64_hi = utils.shr64_hi;
|
|
var shr64_lo = utils.shr64_lo;
|
|
var sum64 = utils.sum64;
|
|
var sum64_hi = utils.sum64_hi;
|
|
var sum64_lo = utils.sum64_lo;
|
|
var sum64_4_hi = utils.sum64_4_hi;
|
|
var sum64_4_lo = utils.sum64_4_lo;
|
|
var sum64_5_hi = utils.sum64_5_hi;
|
|
var sum64_5_lo = utils.sum64_5_lo;
|
|
var BlockHash = hash.common.BlockHash;
|
|
|
|
var sha256_K = [
|
|
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
|
|
0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
|
|
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
|
|
0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
|
|
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
|
|
0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
|
|
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
|
|
0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
|
|
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
|
|
0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
|
|
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
|
|
0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
|
|
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
|
|
0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
|
|
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
|
|
0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
|
|
];
|
|
|
|
var sha512_K = [
|
|
0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd,
|
|
0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc,
|
|
0x3956c25b, 0xf348b538, 0x59f111f1, 0xb605d019,
|
|
0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118,
|
|
0xd807aa98, 0xa3030242, 0x12835b01, 0x45706fbe,
|
|
0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2,
|
|
0x72be5d74, 0xf27b896f, 0x80deb1fe, 0x3b1696b1,
|
|
0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694,
|
|
0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
|
|
0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65,
|
|
0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483,
|
|
0x5cb0a9dc, 0xbd41fbd4, 0x76f988da, 0x831153b5,
|
|
0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210,
|
|
0xb00327c8, 0x98fb213f, 0xbf597fc7, 0xbeef0ee4,
|
|
0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725,
|
|
0x06ca6351, 0xe003826f, 0x14292967, 0x0a0e6e70,
|
|
0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926,
|
|
0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
|
|
0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8,
|
|
0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b,
|
|
0xa2bfe8a1, 0x4cf10364, 0xa81a664b, 0xbc423001,
|
|
0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30,
|
|
0xd192e819, 0xd6ef5218, 0xd6990624, 0x5565a910,
|
|
0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8,
|
|
0x19a4c116, 0xb8d2d0c8, 0x1e376c08, 0x5141ab53,
|
|
0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8,
|
|
0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
|
|
0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3,
|
|
0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60,
|
|
0x84c87814, 0xa1f0ab72, 0x8cc70208, 0x1a6439ec,
|
|
0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9,
|
|
0xbef9a3f7, 0xb2c67915, 0xc67178f2, 0xe372532b,
|
|
0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207,
|
|
0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f, 0xee6ed178,
|
|
0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6,
|
|
0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
|
|
0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493,
|
|
0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c,
|
|
0x4cc5d4be, 0xcb3e42b6, 0x597f299c, 0xfc657e2a,
|
|
0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
|
|
];
|
|
|
|
var sha1_K = [
|
|
0x5A827999, 0x6ED9EBA1,
|
|
0x8F1BBCDC, 0xCA62C1D6
|
|
];
|
|
|
|
function SHA256() {
|
|
if (!(this instanceof SHA256))
|
|
return new SHA256();
|
|
|
|
BlockHash.call(this);
|
|
this.h = [ 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
|
|
0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 ];
|
|
this.k = sha256_K;
|
|
this.W = new Array(64);
|
|
}
|
|
utils.inherits(SHA256, BlockHash);
|
|
exports.sha256 = SHA256;
|
|
|
|
SHA256.blockSize = 512;
|
|
SHA256.outSize = 256;
|
|
SHA256.hmacStrength = 192;
|
|
SHA256.padLength = 64;
|
|
|
|
SHA256.prototype._update = function _update(msg, start) {
|
|
var W = this.W;
|
|
|
|
for (var i = 0; i < 16; i++)
|
|
W[i] = msg[start + i];
|
|
for (; i < W.length; i++)
|
|
W[i] = sum32_4(g1_256(W[i - 2]), W[i - 7], g0_256(W[i - 15]), W[i - 16]);
|
|
|
|
var a = this.h[0];
|
|
var b = this.h[1];
|
|
var c = this.h[2];
|
|
var d = this.h[3];
|
|
var e = this.h[4];
|
|
var f = this.h[5];
|
|
var g = this.h[6];
|
|
var h = this.h[7];
|
|
|
|
assert(this.k.length === W.length);
|
|
for (var i = 0; i < W.length; i++) {
|
|
var T1 = sum32_5(h, s1_256(e), ch32(e, f, g), this.k[i], W[i]);
|
|
var T2 = sum32(s0_256(a), maj32(a, b, c));
|
|
h = g;
|
|
g = f;
|
|
f = e;
|
|
e = sum32(d, T1);
|
|
d = c;
|
|
c = b;
|
|
b = a;
|
|
a = sum32(T1, T2);
|
|
}
|
|
|
|
this.h[0] = sum32(this.h[0], a);
|
|
this.h[1] = sum32(this.h[1], b);
|
|
this.h[2] = sum32(this.h[2], c);
|
|
this.h[3] = sum32(this.h[3], d);
|
|
this.h[4] = sum32(this.h[4], e);
|
|
this.h[5] = sum32(this.h[5], f);
|
|
this.h[6] = sum32(this.h[6], g);
|
|
this.h[7] = sum32(this.h[7], h);
|
|
};
|
|
|
|
SHA256.prototype._digest = function digest(enc) {
|
|
if (enc === 'hex')
|
|
return utils.toHex32(this.h, 'big');
|
|
else
|
|
return utils.split32(this.h, 'big');
|
|
};
|
|
|
|
function SHA224() {
|
|
if (!(this instanceof SHA224))
|
|
return new SHA224();
|
|
|
|
SHA256.call(this);
|
|
this.h = [ 0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939,
|
|
0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4 ];
|
|
}
|
|
utils.inherits(SHA224, SHA256);
|
|
exports.sha224 = SHA224;
|
|
|
|
SHA224.blockSize = 512;
|
|
SHA224.outSize = 224;
|
|
SHA224.hmacStrength = 192;
|
|
SHA224.padLength = 64;
|
|
|
|
SHA224.prototype._digest = function digest(enc) {
|
|
// Just truncate output
|
|
if (enc === 'hex')
|
|
return utils.toHex32(this.h.slice(0, 7), 'big');
|
|
else
|
|
return utils.split32(this.h.slice(0, 7), 'big');
|
|
};
|
|
|
|
function SHA512() {
|
|
if (!(this instanceof SHA512))
|
|
return new SHA512();
|
|
|
|
BlockHash.call(this);
|
|
this.h = [ 0x6a09e667, 0xf3bcc908,
|
|
0xbb67ae85, 0x84caa73b,
|
|
0x3c6ef372, 0xfe94f82b,
|
|
0xa54ff53a, 0x5f1d36f1,
|
|
0x510e527f, 0xade682d1,
|
|
0x9b05688c, 0x2b3e6c1f,
|
|
0x1f83d9ab, 0xfb41bd6b,
|
|
0x5be0cd19, 0x137e2179 ];
|
|
this.k = sha512_K;
|
|
this.W = new Array(160);
|
|
}
|
|
utils.inherits(SHA512, BlockHash);
|
|
exports.sha512 = SHA512;
|
|
|
|
SHA512.blockSize = 1024;
|
|
SHA512.outSize = 512;
|
|
SHA512.hmacStrength = 192;
|
|
SHA512.padLength = 128;
|
|
|
|
SHA512.prototype._prepareBlock = function _prepareBlock(msg, start) {
|
|
var W = this.W;
|
|
|
|
// 32 x 32bit words
|
|
for (var i = 0; i < 32; i++)
|
|
W[i] = msg[start + i];
|
|
for (; i < W.length; i += 2) {
|
|
var c0_hi = g1_512_hi(W[i - 4], W[i - 3]); // i - 2
|
|
var c0_lo = g1_512_lo(W[i - 4], W[i - 3]);
|
|
var c1_hi = W[i - 14]; // i - 7
|
|
var c1_lo = W[i - 13];
|
|
var c2_hi = g0_512_hi(W[i - 30], W[i - 29]); // i - 15
|
|
var c2_lo = g0_512_lo(W[i - 30], W[i - 29]);
|
|
var c3_hi = W[i - 32]; // i - 16
|
|
var c3_lo = W[i - 31];
|
|
|
|
W[i] = sum64_4_hi(c0_hi, c0_lo,
|
|
c1_hi, c1_lo,
|
|
c2_hi, c2_lo,
|
|
c3_hi, c3_lo);
|
|
W[i + 1] = sum64_4_lo(c0_hi, c0_lo,
|
|
c1_hi, c1_lo,
|
|
c2_hi, c2_lo,
|
|
c3_hi, c3_lo);
|
|
}
|
|
};
|
|
|
|
SHA512.prototype._update = function _update(msg, start) {
|
|
this._prepareBlock(msg, start);
|
|
|
|
var W = this.W;
|
|
|
|
var ah = this.h[0];
|
|
var al = this.h[1];
|
|
var bh = this.h[2];
|
|
var bl = this.h[3];
|
|
var ch = this.h[4];
|
|
var cl = this.h[5];
|
|
var dh = this.h[6];
|
|
var dl = this.h[7];
|
|
var eh = this.h[8];
|
|
var el = this.h[9];
|
|
var fh = this.h[10];
|
|
var fl = this.h[11];
|
|
var gh = this.h[12];
|
|
var gl = this.h[13];
|
|
var hh = this.h[14];
|
|
var hl = this.h[15];
|
|
|
|
assert(this.k.length === W.length);
|
|
for (var i = 0; i < W.length; i += 2) {
|
|
var c0_hi = hh;
|
|
var c0_lo = hl;
|
|
var c1_hi = s1_512_hi(eh, el);
|
|
var c1_lo = s1_512_lo(eh, el);
|
|
var c2_hi = ch64_hi(eh, el, fh, fl, gh, gl);
|
|
var c2_lo = ch64_lo(eh, el, fh, fl, gh, gl);
|
|
var c3_hi = this.k[i];
|
|
var c3_lo = this.k[i + 1];
|
|
var c4_hi = W[i];
|
|
var c4_lo = W[i + 1];
|
|
|
|
var T1_hi = sum64_5_hi(c0_hi, c0_lo,
|
|
c1_hi, c1_lo,
|
|
c2_hi, c2_lo,
|
|
c3_hi, c3_lo,
|
|
c4_hi, c4_lo);
|
|
var T1_lo = sum64_5_lo(c0_hi, c0_lo,
|
|
c1_hi, c1_lo,
|
|
c2_hi, c2_lo,
|
|
c3_hi, c3_lo,
|
|
c4_hi, c4_lo);
|
|
|
|
var c0_hi = s0_512_hi(ah, al);
|
|
var c0_lo = s0_512_lo(ah, al);
|
|
var c1_hi = maj64_hi(ah, al, bh, bl, ch, cl);
|
|
var c1_lo = maj64_lo(ah, al, bh, bl, ch, cl);
|
|
|
|
var T2_hi = sum64_hi(c0_hi, c0_lo, c1_hi, c1_lo);
|
|
var T2_lo = sum64_lo(c0_hi, c0_lo, c1_hi, c1_lo);
|
|
|
|
hh = gh;
|
|
hl = gl;
|
|
|
|
gh = fh;
|
|
gl = fl;
|
|
|
|
fh = eh;
|
|
fl = el;
|
|
|
|
eh = sum64_hi(dh, dl, T1_hi, T1_lo);
|
|
el = sum64_lo(dl, dl, T1_hi, T1_lo);
|
|
|
|
dh = ch;
|
|
dl = cl;
|
|
|
|
ch = bh;
|
|
cl = bl;
|
|
|
|
bh = ah;
|
|
bl = al;
|
|
|
|
ah = sum64_hi(T1_hi, T1_lo, T2_hi, T2_lo);
|
|
al = sum64_lo(T1_hi, T1_lo, T2_hi, T2_lo);
|
|
}
|
|
|
|
sum64(this.h, 0, ah, al);
|
|
sum64(this.h, 2, bh, bl);
|
|
sum64(this.h, 4, ch, cl);
|
|
sum64(this.h, 6, dh, dl);
|
|
sum64(this.h, 8, eh, el);
|
|
sum64(this.h, 10, fh, fl);
|
|
sum64(this.h, 12, gh, gl);
|
|
sum64(this.h, 14, hh, hl);
|
|
};
|
|
|
|
SHA512.prototype._digest = function digest(enc) {
|
|
if (enc === 'hex')
|
|
return utils.toHex32(this.h, 'big');
|
|
else
|
|
return utils.split32(this.h, 'big');
|
|
};
|
|
|
|
function SHA384() {
|
|
if (!(this instanceof SHA384))
|
|
return new SHA384();
|
|
|
|
SHA512.call(this);
|
|
this.h = [ 0xcbbb9d5d, 0xc1059ed8,
|
|
0x629a292a, 0x367cd507,
|
|
0x9159015a, 0x3070dd17,
|
|
0x152fecd8, 0xf70e5939,
|
|
0x67332667, 0xffc00b31,
|
|
0x8eb44a87, 0x68581511,
|
|
0xdb0c2e0d, 0x64f98fa7,
|
|
0x47b5481d, 0xbefa4fa4 ];
|
|
}
|
|
utils.inherits(SHA384, SHA512);
|
|
exports.sha384 = SHA384;
|
|
|
|
SHA384.blockSize = 1024;
|
|
SHA384.outSize = 384;
|
|
SHA384.hmacStrength = 192;
|
|
SHA384.padLength = 128;
|
|
|
|
SHA384.prototype._digest = function digest(enc) {
|
|
if (enc === 'hex')
|
|
return utils.toHex32(this.h.slice(0, 12), 'big');
|
|
else
|
|
return utils.split32(this.h.slice(0, 12), 'big');
|
|
};
|
|
|
|
function SHA1() {
|
|
if (!(this instanceof SHA1))
|
|
return new SHA1();
|
|
|
|
BlockHash.call(this);
|
|
this.h = [ 0x67452301, 0xefcdab89, 0x98badcfe,
|
|
0x10325476, 0xc3d2e1f0 ];
|
|
this.W = new Array(80);
|
|
}
|
|
|
|
utils.inherits(SHA1, BlockHash);
|
|
exports.sha1 = SHA1;
|
|
|
|
SHA1.blockSize = 512;
|
|
SHA1.outSize = 160;
|
|
SHA1.hmacStrength = 80;
|
|
SHA1.padLength = 64;
|
|
|
|
SHA1.prototype._update = function _update(msg, start) {
|
|
var W = this.W;
|
|
|
|
for (var i = 0; i < 16; i++)
|
|
W[i] = msg[start + i];
|
|
|
|
for(; i < W.length; i++)
|
|
W[i] = rotl32(W[i - 3] ^ W[i - 8] ^ W[i - 14] ^ W[i - 16], 1);
|
|
|
|
var a = this.h[0];
|
|
var b = this.h[1];
|
|
var c = this.h[2];
|
|
var d = this.h[3];
|
|
var e = this.h[4];
|
|
|
|
for (var i = 0; i < W.length; i++) {
|
|
var s = ~~(i / 20);
|
|
var t = sum32_5(rotl32(a, 5), ft_1(s, b, c, d), e, W[i], sha1_K[s]);
|
|
e = d;
|
|
d = c;
|
|
c = rotl32(b, 30);
|
|
b = a;
|
|
a = t;
|
|
}
|
|
|
|
this.h[0] = sum32(this.h[0], a);
|
|
this.h[1] = sum32(this.h[1], b);
|
|
this.h[2] = sum32(this.h[2], c);
|
|
this.h[3] = sum32(this.h[3], d);
|
|
this.h[4] = sum32(this.h[4], e);
|
|
};
|
|
|
|
SHA1.prototype._digest = function digest(enc) {
|
|
if (enc === 'hex')
|
|
return utils.toHex32(this.h, 'big');
|
|
else
|
|
return utils.split32(this.h, 'big');
|
|
};
|
|
|
|
function ch32(x, y, z) {
|
|
return (x & y) ^ ((~x) & z);
|
|
}
|
|
|
|
function maj32(x, y, z) {
|
|
return (x & y) ^ (x & z) ^ (y & z);
|
|
}
|
|
|
|
function p32(x, y, z) {
|
|
return x ^ y ^ z;
|
|
}
|
|
|
|
function s0_256(x) {
|
|
return rotr32(x, 2) ^ rotr32(x, 13) ^ rotr32(x, 22);
|
|
}
|
|
|
|
function s1_256(x) {
|
|
return rotr32(x, 6) ^ rotr32(x, 11) ^ rotr32(x, 25);
|
|
}
|
|
|
|
function g0_256(x) {
|
|
return rotr32(x, 7) ^ rotr32(x, 18) ^ (x >>> 3);
|
|
}
|
|
|
|
function g1_256(x) {
|
|
return rotr32(x, 17) ^ rotr32(x, 19) ^ (x >>> 10);
|
|
}
|
|
|
|
function ft_1(s, x, y, z) {
|
|
if (s === 0)
|
|
return ch32(x, y, z);
|
|
if (s === 1 || s === 3)
|
|
return p32(x, y, z);
|
|
if (s === 2)
|
|
return maj32(x, y, z);
|
|
}
|
|
|
|
function ch64_hi(xh, xl, yh, yl, zh, zl) {
|
|
var r = (xh & yh) ^ ((~xh) & zh);
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
function ch64_lo(xh, xl, yh, yl, zh, zl) {
|
|
var r = (xl & yl) ^ ((~xl) & zl);
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
function maj64_hi(xh, xl, yh, yl, zh, zl) {
|
|
var r = (xh & yh) ^ (xh & zh) ^ (yh & zh);
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
function maj64_lo(xh, xl, yh, yl, zh, zl) {
|
|
var r = (xl & yl) ^ (xl & zl) ^ (yl & zl);
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
function s0_512_hi(xh, xl) {
|
|
var c0_hi = rotr64_hi(xh, xl, 28);
|
|
var c1_hi = rotr64_hi(xl, xh, 2); // 34
|
|
var c2_hi = rotr64_hi(xl, xh, 7); // 39
|
|
|
|
var r = c0_hi ^ c1_hi ^ c2_hi;
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
function s0_512_lo(xh, xl) {
|
|
var c0_lo = rotr64_lo(xh, xl, 28);
|
|
var c1_lo = rotr64_lo(xl, xh, 2); // 34
|
|
var c2_lo = rotr64_lo(xl, xh, 7); // 39
|
|
|
|
var r = c0_lo ^ c1_lo ^ c2_lo;
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
function s1_512_hi(xh, xl) {
|
|
var c0_hi = rotr64_hi(xh, xl, 14);
|
|
var c1_hi = rotr64_hi(xh, xl, 18);
|
|
var c2_hi = rotr64_hi(xl, xh, 9); // 41
|
|
|
|
var r = c0_hi ^ c1_hi ^ c2_hi;
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
function s1_512_lo(xh, xl) {
|
|
var c0_lo = rotr64_lo(xh, xl, 14);
|
|
var c1_lo = rotr64_lo(xh, xl, 18);
|
|
var c2_lo = rotr64_lo(xl, xh, 9); // 41
|
|
|
|
var r = c0_lo ^ c1_lo ^ c2_lo;
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
function g0_512_hi(xh, xl) {
|
|
var c0_hi = rotr64_hi(xh, xl, 1);
|
|
var c1_hi = rotr64_hi(xh, xl, 8);
|
|
var c2_hi = shr64_hi(xh, xl, 7);
|
|
|
|
var r = c0_hi ^ c1_hi ^ c2_hi;
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
function g0_512_lo(xh, xl) {
|
|
var c0_lo = rotr64_lo(xh, xl, 1);
|
|
var c1_lo = rotr64_lo(xh, xl, 8);
|
|
var c2_lo = shr64_lo(xh, xl, 7);
|
|
|
|
var r = c0_lo ^ c1_lo ^ c2_lo;
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
function g1_512_hi(xh, xl) {
|
|
var c0_hi = rotr64_hi(xh, xl, 19);
|
|
var c1_hi = rotr64_hi(xl, xh, 29); // 61
|
|
var c2_hi = shr64_hi(xh, xl, 6);
|
|
|
|
var r = c0_hi ^ c1_hi ^ c2_hi;
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
function g1_512_lo(xh, xl) {
|
|
var c0_lo = rotr64_lo(xh, xl, 19);
|
|
var c1_lo = rotr64_lo(xl, xh, 29); // 61
|
|
var c2_lo = shr64_lo(xh, xl, 6);
|
|
|
|
var r = c0_lo ^ c1_lo ^ c2_lo;
|
|
if (r < 0)
|
|
r += 0x100000000;
|
|
return r;
|
|
}
|
|
|
|
},{"../hash":24}],29:[function(require,module,exports){
|
|
var utils = exports;
|
|
var inherits = require('inherits');
|
|
|
|
function toArray(msg, enc) {
|
|
if (Array.isArray(msg))
|
|
return msg.slice();
|
|
if (!msg)
|
|
return [];
|
|
var res = [];
|
|
if (typeof msg === 'string') {
|
|
if (!enc) {
|
|
for (var i = 0; i < msg.length; i++) {
|
|
var c = msg.charCodeAt(i);
|
|
var hi = c >> 8;
|
|
var lo = c & 0xff;
|
|
if (hi)
|
|
res.push(hi, lo);
|
|
else
|
|
res.push(lo);
|
|
}
|
|
} else if (enc === 'hex') {
|
|
msg = msg.replace(/[^a-z0-9]+/ig, '');
|
|
if (msg.length % 2 !== 0)
|
|
msg = '0' + msg;
|
|
for (var i = 0; i < msg.length; i += 2)
|
|
res.push(parseInt(msg[i] + msg[i + 1], 16));
|
|
}
|
|
} else {
|
|
for (var i = 0; i < msg.length; i++)
|
|
res[i] = msg[i] | 0;
|
|
}
|
|
return res;
|
|
}
|
|
utils.toArray = toArray;
|
|
|
|
function toHex(msg) {
|
|
var res = '';
|
|
for (var i = 0; i < msg.length; i++)
|
|
res += zero2(msg[i].toString(16));
|
|
return res;
|
|
}
|
|
utils.toHex = toHex;
|
|
|
|
function htonl(w) {
|
|
var res = (w >>> 24) |
|
|
((w >>> 8) & 0xff00) |
|
|
((w << 8) & 0xff0000) |
|
|
((w & 0xff) << 24);
|
|
return res >>> 0;
|
|
}
|
|
utils.htonl = htonl;
|
|
|
|
function toHex32(msg, endian) {
|
|
var res = '';
|
|
for (var i = 0; i < msg.length; i++) {
|
|
var w = msg[i];
|
|
if (endian === 'little')
|
|
w = htonl(w);
|
|
res += zero8(w.toString(16));
|
|
}
|
|
return res;
|
|
}
|
|
utils.toHex32 = toHex32;
|
|
|
|
function zero2(word) {
|
|
if (word.length === 1)
|
|
return '0' + word;
|
|
else
|
|
return word;
|
|
}
|
|
utils.zero2 = zero2;
|
|
|
|
function zero8(word) {
|
|
if (word.length === 7)
|
|
return '0' + word;
|
|
else if (word.length === 6)
|
|
return '00' + word;
|
|
else if (word.length === 5)
|
|
return '000' + word;
|
|
else if (word.length === 4)
|
|
return '0000' + word;
|
|
else if (word.length === 3)
|
|
return '00000' + word;
|
|
else if (word.length === 2)
|
|
return '000000' + word;
|
|
else if (word.length === 1)
|
|
return '0000000' + word;
|
|
else
|
|
return word;
|
|
}
|
|
utils.zero8 = zero8;
|
|
|
|
function join32(msg, start, end, endian) {
|
|
var len = end - start;
|
|
assert(len % 4 === 0);
|
|
var res = new Array(len / 4);
|
|
for (var i = 0, k = start; i < res.length; i++, k += 4) {
|
|
var w;
|
|
if (endian === 'big')
|
|
w = (msg[k] << 24) | (msg[k + 1] << 16) | (msg[k + 2] << 8) | msg[k + 3];
|
|
else
|
|
w = (msg[k + 3] << 24) | (msg[k + 2] << 16) | (msg[k + 1] << 8) | msg[k];
|
|
res[i] = w >>> 0;
|
|
}
|
|
return res;
|
|
}
|
|
utils.join32 = join32;
|
|
|
|
function split32(msg, endian) {
|
|
var res = new Array(msg.length * 4);
|
|
for (var i = 0, k = 0; i < msg.length; i++, k += 4) {
|
|
var m = msg[i];
|
|
if (endian === 'big') {
|
|
res[k] = m >>> 24;
|
|
res[k + 1] = (m >>> 16) & 0xff;
|
|
res[k + 2] = (m >>> 8) & 0xff;
|
|
res[k + 3] = m & 0xff;
|
|
} else {
|
|
res[k + 3] = m >>> 24;
|
|
res[k + 2] = (m >>> 16) & 0xff;
|
|
res[k + 1] = (m >>> 8) & 0xff;
|
|
res[k] = m & 0xff;
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
utils.split32 = split32;
|
|
|
|
function rotr32(w, b) {
|
|
return (w >>> b) | (w << (32 - b));
|
|
}
|
|
utils.rotr32 = rotr32;
|
|
|
|
function rotl32(w, b) {
|
|
return (w << b) | (w >>> (32 - b));
|
|
}
|
|
utils.rotl32 = rotl32;
|
|
|
|
function sum32(a, b) {
|
|
return (a + b) >>> 0;
|
|
}
|
|
utils.sum32 = sum32;
|
|
|
|
function sum32_3(a, b, c) {
|
|
return (a + b + c) >>> 0;
|
|
}
|
|
utils.sum32_3 = sum32_3;
|
|
|
|
function sum32_4(a, b, c, d) {
|
|
return (a + b + c + d) >>> 0;
|
|
}
|
|
utils.sum32_4 = sum32_4;
|
|
|
|
function sum32_5(a, b, c, d, e) {
|
|
return (a + b + c + d + e) >>> 0;
|
|
}
|
|
utils.sum32_5 = sum32_5;
|
|
|
|
function assert(cond, msg) {
|
|
if (!cond)
|
|
throw new Error(msg || 'Assertion failed');
|
|
}
|
|
utils.assert = assert;
|
|
|
|
utils.inherits = inherits;
|
|
|
|
function sum64(buf, pos, ah, al) {
|
|
var bh = buf[pos];
|
|
var bl = buf[pos + 1];
|
|
|
|
var lo = (al + bl) >>> 0;
|
|
var hi = (lo < al ? 1 : 0) + ah + bh;
|
|
buf[pos] = hi >>> 0;
|
|
buf[pos + 1] = lo;
|
|
}
|
|
exports.sum64 = sum64;
|
|
|
|
function sum64_hi(ah, al, bh, bl) {
|
|
var lo = (al + bl) >>> 0;
|
|
var hi = (lo < al ? 1 : 0) + ah + bh;
|
|
return hi >>> 0;
|
|
};
|
|
exports.sum64_hi = sum64_hi;
|
|
|
|
function sum64_lo(ah, al, bh, bl) {
|
|
var lo = al + bl;
|
|
return lo >>> 0;
|
|
};
|
|
exports.sum64_lo = sum64_lo;
|
|
|
|
function sum64_4_hi(ah, al, bh, bl, ch, cl, dh, dl) {
|
|
var carry = 0;
|
|
var lo = al;
|
|
lo = (lo + bl) >>> 0;
|
|
carry += lo < al ? 1 : 0;
|
|
lo = (lo + cl) >>> 0;
|
|
carry += lo < cl ? 1 : 0;
|
|
lo = (lo + dl) >>> 0;
|
|
carry += lo < dl ? 1 : 0;
|
|
|
|
var hi = ah + bh + ch + dh + carry;
|
|
return hi >>> 0;
|
|
};
|
|
exports.sum64_4_hi = sum64_4_hi;
|
|
|
|
function sum64_4_lo(ah, al, bh, bl, ch, cl, dh, dl) {
|
|
var lo = al + bl + cl + dl;
|
|
return lo >>> 0;
|
|
};
|
|
exports.sum64_4_lo = sum64_4_lo;
|
|
|
|
function sum64_5_hi(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
|
|
var carry = 0;
|
|
var lo = al;
|
|
lo = (lo + bl) >>> 0;
|
|
carry += lo < al ? 1 : 0;
|
|
lo = (lo + cl) >>> 0;
|
|
carry += lo < cl ? 1 : 0;
|
|
lo = (lo + dl) >>> 0;
|
|
carry += lo < dl ? 1 : 0;
|
|
lo = (lo + el) >>> 0;
|
|
carry += lo < el ? 1 : 0;
|
|
|
|
var hi = ah + bh + ch + dh + eh + carry;
|
|
return hi >>> 0;
|
|
};
|
|
exports.sum64_5_hi = sum64_5_hi;
|
|
|
|
function sum64_5_lo(ah, al, bh, bl, ch, cl, dh, dl, eh, el) {
|
|
var lo = al + bl + cl + dl + el;
|
|
|
|
return lo >>> 0;
|
|
};
|
|
exports.sum64_5_lo = sum64_5_lo;
|
|
|
|
function rotr64_hi(ah, al, num) {
|
|
var r = (al << (32 - num)) | (ah >>> num);
|
|
return r >>> 0;
|
|
};
|
|
exports.rotr64_hi = rotr64_hi;
|
|
|
|
function rotr64_lo(ah, al, num) {
|
|
var r = (ah << (32 - num)) | (al >>> num);
|
|
return r >>> 0;
|
|
};
|
|
exports.rotr64_lo = rotr64_lo;
|
|
|
|
function shr64_hi(ah, al, num) {
|
|
return ah >>> num;
|
|
};
|
|
exports.shr64_hi = shr64_hi;
|
|
|
|
function shr64_lo(ah, al, num) {
|
|
var r = (ah << (32 - num)) | (al >>> num);
|
|
return r >>> 0;
|
|
};
|
|
exports.shr64_lo = shr64_lo;
|
|
|
|
},{"inherits":30}],30:[function(require,module,exports){
|
|
if (typeof Object.create === 'function') {
|
|
// implementation from standard node.js 'util' module
|
|
module.exports = function inherits(ctor, superCtor) {
|
|
ctor.super_ = superCtor
|
|
ctor.prototype = Object.create(superCtor.prototype, {
|
|
constructor: {
|
|
value: ctor,
|
|
enumerable: false,
|
|
writable: true,
|
|
configurable: true
|
|
}
|
|
});
|
|
};
|
|
} else {
|
|
// old school shim for old browsers
|
|
module.exports = function inherits(ctor, superCtor) {
|
|
ctor.super_ = superCtor
|
|
var TempCtor = function () {}
|
|
TempCtor.prototype = superCtor.prototype
|
|
ctor.prototype = new TempCtor()
|
|
ctor.prototype.constructor = ctor
|
|
}
|
|
}
|
|
|
|
},{}],31:[function(require,module,exports){
|
|
module.exports={
|
|
"name": "elliptic",
|
|
"version": "6.3.1",
|
|
"description": "EC cryptography",
|
|
"main": "lib/elliptic.js",
|
|
"files": [
|
|
"lib"
|
|
],
|
|
"scripts": {
|
|
"jscs": "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",
|
|
"jshint": "jscs benchmarks/*.js lib/*.js lib/**/*.js lib/**/**/*.js test/index.js",
|
|
"lint": "npm run jscs && npm run jshint",
|
|
"unit": "istanbul test _mocha --reporter=spec test/index.js",
|
|
"test": "npm run lint && npm run unit",
|
|
"version": "grunt dist && git add dist/"
|
|
},
|
|
"repository": {
|
|
"type": "git",
|
|
"url": "git+ssh://git@github.com/indutny/elliptic.git"
|
|
},
|
|
"keywords": [
|
|
"EC",
|
|
"Elliptic",
|
|
"curve",
|
|
"Cryptography"
|
|
],
|
|
"author": {
|
|
"name": "Fedor Indutny",
|
|
"email": "fedor@indutny.com"
|
|
},
|
|
"license": "MIT",
|
|
"bugs": {
|
|
"url": "https://github.com/indutny/elliptic/issues"
|
|
},
|
|
"homepage": "https://github.com/indutny/elliptic",
|
|
"devDependencies": {
|
|
"brfs": "^1.4.3",
|
|
"coveralls": "^2.11.3",
|
|
"grunt": "^0.4.5",
|
|
"grunt-browserify": "^5.0.0",
|
|
"grunt-contrib-connect": "^1.0.0",
|
|
"grunt-contrib-copy": "^1.0.0",
|
|
"grunt-contrib-uglify": "^1.0.1",
|
|
"grunt-mocha-istanbul": "^3.0.1",
|
|
"grunt-saucelabs": "^8.6.2",
|
|
"istanbul": "^0.4.2",
|
|
"jscs": "^2.9.0",
|
|
"jshint": "^2.6.0",
|
|
"mocha": "^2.1.0"
|
|
},
|
|
"dependencies": {
|
|
"bn.js": "^4.4.0",
|
|
"brorand": "^1.0.1",
|
|
"hash.js": "^1.0.0",
|
|
"inherits": "^2.0.1"
|
|
},
|
|
"gitHead": "c53f5cf3d832c0073eb4a4ed423a464cbce68f3e",
|
|
"_id": "elliptic@6.3.1",
|
|
"_shasum": "17781f2109ab0ec686b146bdcff5d2e8c6aeceda",
|
|
"_from": "elliptic@6.3.1",
|
|
"_npmVersion": "3.8.6",
|
|
"_nodeVersion": "6.0.0",
|
|
"_npmUser": {
|
|
"name": "indutny",
|
|
"email": "fedor@indutny.com"
|
|
},
|
|
"dist": {
|
|
"shasum": "17781f2109ab0ec686b146bdcff5d2e8c6aeceda",
|
|
"tarball": "https://registry.npmjs.org/elliptic/-/elliptic-6.3.1.tgz"
|
|
},
|
|
"maintainers": [
|
|
{
|
|
"name": "indutny",
|
|
"email": "fedor@indutny.com"
|
|
}
|
|
],
|
|
"_npmOperationalInternal": {
|
|
"host": "packages-16-east.internal.npmjs.com",
|
|
"tmp": "tmp/elliptic-6.3.1.tgz_1465921413402_0.5202967382501811"
|
|
},
|
|
"directories": {},
|
|
"_resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.3.1.tgz",
|
|
"readme": "ERROR: No README data found!"
|
|
}
|
|
|
|
},{}],32:[function(require,module,exports){
|
|
// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
|
|
//
|
|
// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
|
|
//
|
|
// Originally from narwhal.js (http://narwhaljs.org)
|
|
// Copyright (c) 2009 Thomas Robinson <280north.com>
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the 'Software'), to
|
|
// deal in the Software without restriction, including without limitation the
|
|
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
|
// sell copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
|
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
// when used in node, this will actually load the util module we depend on
|
|
// versus loading the builtin util module as happens otherwise
|
|
// this is a bug in node module loading as far as I am concerned
|
|
var util = require('util/');
|
|
|
|
var pSlice = Array.prototype.slice;
|
|
var hasOwn = Object.prototype.hasOwnProperty;
|
|
|
|
// 1. The assert module provides functions that throw
|
|
// AssertionError's when particular conditions are not met. The
|
|
// assert module must conform to the following interface.
|
|
|
|
var assert = module.exports = ok;
|
|
|
|
// 2. The AssertionError is defined in assert.
|
|
// new assert.AssertionError({ message: message,
|
|
// actual: actual,
|
|
// expected: expected })
|
|
|
|
assert.AssertionError = function AssertionError(options) {
|
|
this.name = 'AssertionError';
|
|
this.actual = options.actual;
|
|
this.expected = options.expected;
|
|
this.operator = options.operator;
|
|
if (options.message) {
|
|
this.message = options.message;
|
|
this.generatedMessage = false;
|
|
} else {
|
|
this.message = getMessage(this);
|
|
this.generatedMessage = true;
|
|
}
|
|
var stackStartFunction = options.stackStartFunction || fail;
|
|
|
|
if (Error.captureStackTrace) {
|
|
Error.captureStackTrace(this, stackStartFunction);
|
|
}
|
|
else {
|
|
// non v8 browsers so we can have a stacktrace
|
|
var err = new Error();
|
|
if (err.stack) {
|
|
var out = err.stack;
|
|
|
|
// try to strip useless frames
|
|
var fn_name = stackStartFunction.name;
|
|
var idx = out.indexOf('\n' + fn_name);
|
|
if (idx >= 0) {
|
|
// once we have located the function frame
|
|
// we need to strip out everything before it (and its line)
|
|
var next_line = out.indexOf('\n', idx + 1);
|
|
out = out.substring(next_line + 1);
|
|
}
|
|
|
|
this.stack = out;
|
|
}
|
|
}
|
|
};
|
|
|
|
// assert.AssertionError instanceof Error
|
|
util.inherits(assert.AssertionError, Error);
|
|
|
|
function replacer(key, value) {
|
|
if (util.isUndefined(value)) {
|
|
return '' + value;
|
|
}
|
|
if (util.isNumber(value) && !isFinite(value)) {
|
|
return value.toString();
|
|
}
|
|
if (util.isFunction(value) || util.isRegExp(value)) {
|
|
return value.toString();
|
|
}
|
|
return value;
|
|
}
|
|
|
|
function truncate(s, n) {
|
|
if (util.isString(s)) {
|
|
return s.length < n ? s : s.slice(0, n);
|
|
} else {
|
|
return s;
|
|
}
|
|
}
|
|
|
|
function getMessage(self) {
|
|
return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
|
|
self.operator + ' ' +
|
|
truncate(JSON.stringify(self.expected, replacer), 128);
|
|
}
|
|
|
|
// At present only the three keys mentioned above are used and
|
|
// understood by the spec. Implementations or sub modules can pass
|
|
// other keys to the AssertionError's constructor - they will be
|
|
// ignored.
|
|
|
|
// 3. All of the following functions must throw an AssertionError
|
|
// when a corresponding condition is not met, with a message that
|
|
// may be undefined if not provided. All assertion methods provide
|
|
// both the actual and expected values to the assertion error for
|
|
// display purposes.
|
|
|
|
function fail(actual, expected, message, operator, stackStartFunction) {
|
|
throw new assert.AssertionError({
|
|
message: message,
|
|
actual: actual,
|
|
expected: expected,
|
|
operator: operator,
|
|
stackStartFunction: stackStartFunction
|
|
});
|
|
}
|
|
|
|
// EXTENSION! allows for well behaved errors defined elsewhere.
|
|
assert.fail = fail;
|
|
|
|
// 4. Pure assertion tests whether a value is truthy, as determined
|
|
// by !!guard.
|
|
// assert.ok(guard, message_opt);
|
|
// This statement is equivalent to assert.equal(true, !!guard,
|
|
// message_opt);. To test strictly for the value true, use
|
|
// assert.strictEqual(true, guard, message_opt);.
|
|
|
|
function ok(value, message) {
|
|
if (!value) fail(value, true, message, '==', assert.ok);
|
|
}
|
|
assert.ok = ok;
|
|
|
|
// 5. The equality assertion tests shallow, coercive equality with
|
|
// ==.
|
|
// assert.equal(actual, expected, message_opt);
|
|
|
|
assert.equal = function equal(actual, expected, message) {
|
|
if (actual != expected) fail(actual, expected, message, '==', assert.equal);
|
|
};
|
|
|
|
// 6. The non-equality assertion tests for whether two objects are not equal
|
|
// with != assert.notEqual(actual, expected, message_opt);
|
|
|
|
assert.notEqual = function notEqual(actual, expected, message) {
|
|
if (actual == expected) {
|
|
fail(actual, expected, message, '!=', assert.notEqual);
|
|
}
|
|
};
|
|
|
|
// 7. The equivalence assertion tests a deep equality relation.
|
|
// assert.deepEqual(actual, expected, message_opt);
|
|
|
|
assert.deepEqual = function deepEqual(actual, expected, message) {
|
|
if (!_deepEqual(actual, expected)) {
|
|
fail(actual, expected, message, 'deepEqual', assert.deepEqual);
|
|
}
|
|
};
|
|
|
|
function _deepEqual(actual, expected) {
|
|
// 7.1. All identical values are equivalent, as determined by ===.
|
|
if (actual === expected) {
|
|
return true;
|
|
|
|
} else if (util.isBuffer(actual) && util.isBuffer(expected)) {
|
|
if (actual.length != expected.length) return false;
|
|
|
|
for (var i = 0; i < actual.length; i++) {
|
|
if (actual[i] !== expected[i]) return false;
|
|
}
|
|
|
|
return true;
|
|
|
|
// 7.2. If the expected value is a Date object, the actual value is
|
|
// equivalent if it is also a Date object that refers to the same time.
|
|
} else if (util.isDate(actual) && util.isDate(expected)) {
|
|
return actual.getTime() === expected.getTime();
|
|
|
|
// 7.3 If the expected value is a RegExp object, the actual value is
|
|
// equivalent if it is also a RegExp object with the same source and
|
|
// properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
|
|
} else if (util.isRegExp(actual) && util.isRegExp(expected)) {
|
|
return actual.source === expected.source &&
|
|
actual.global === expected.global &&
|
|
actual.multiline === expected.multiline &&
|
|
actual.lastIndex === expected.lastIndex &&
|
|
actual.ignoreCase === expected.ignoreCase;
|
|
|
|
// 7.4. Other pairs that do not both pass typeof value == 'object',
|
|
// equivalence is determined by ==.
|
|
} else if (!util.isObject(actual) && !util.isObject(expected)) {
|
|
return actual == expected;
|
|
|
|
// 7.5 For all other Object pairs, including Array objects, equivalence is
|
|
// determined by having the same number of owned properties (as verified
|
|
// with Object.prototype.hasOwnProperty.call), the same set of keys
|
|
// (although not necessarily the same order), equivalent values for every
|
|
// corresponding key, and an identical 'prototype' property. Note: this
|
|
// accounts for both named and indexed properties on Arrays.
|
|
} else {
|
|
return objEquiv(actual, expected);
|
|
}
|
|
}
|
|
|
|
function isArguments(object) {
|
|
return Object.prototype.toString.call(object) == '[object Arguments]';
|
|
}
|
|
|
|
function objEquiv(a, b) {
|
|
if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
|
|
return false;
|
|
// an identical 'prototype' property.
|
|
if (a.prototype !== b.prototype) return false;
|
|
// if one is a primitive, the other must be same
|
|
if (util.isPrimitive(a) || util.isPrimitive(b)) {
|
|
return a === b;
|
|
}
|
|
var aIsArgs = isArguments(a),
|
|
bIsArgs = isArguments(b);
|
|
if ((aIsArgs && !bIsArgs) || (!aIsArgs && bIsArgs))
|
|
return false;
|
|
if (aIsArgs) {
|
|
a = pSlice.call(a);
|
|
b = pSlice.call(b);
|
|
return _deepEqual(a, b);
|
|
}
|
|
var ka = objectKeys(a),
|
|
kb = objectKeys(b),
|
|
key, i;
|
|
// having the same number of owned properties (keys incorporates
|
|
// hasOwnProperty)
|
|
if (ka.length != kb.length)
|
|
return false;
|
|
//the same set of keys (although not necessarily the same order),
|
|
ka.sort();
|
|
kb.sort();
|
|
//~~~cheap key test
|
|
for (i = ka.length - 1; i >= 0; i--) {
|
|
if (ka[i] != kb[i])
|
|
return false;
|
|
}
|
|
//equivalent values for every corresponding key, and
|
|
//~~~possibly expensive deep test
|
|
for (i = ka.length - 1; i >= 0; i--) {
|
|
key = ka[i];
|
|
if (!_deepEqual(a[key], b[key])) return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// 8. The non-equivalence assertion tests for any deep inequality.
|
|
// assert.notDeepEqual(actual, expected, message_opt);
|
|
|
|
assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
|
|
if (_deepEqual(actual, expected)) {
|
|
fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
|
|
}
|
|
};
|
|
|
|
// 9. The strict equality assertion tests strict equality, as determined by ===.
|
|
// assert.strictEqual(actual, expected, message_opt);
|
|
|
|
assert.strictEqual = function strictEqual(actual, expected, message) {
|
|
if (actual !== expected) {
|
|
fail(actual, expected, message, '===', assert.strictEqual);
|
|
}
|
|
};
|
|
|
|
// 10. The strict non-equality assertion tests for strict inequality, as
|
|
// determined by !==. assert.notStrictEqual(actual, expected, message_opt);
|
|
|
|
assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
|
|
if (actual === expected) {
|
|
fail(actual, expected, message, '!==', assert.notStrictEqual);
|
|
}
|
|
};
|
|
|
|
function expectedException(actual, expected) {
|
|
if (!actual || !expected) {
|
|
return false;
|
|
}
|
|
|
|
if (Object.prototype.toString.call(expected) == '[object RegExp]') {
|
|
return expected.test(actual);
|
|
} else if (actual instanceof expected) {
|
|
return true;
|
|
} else if (expected.call({}, actual) === true) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function _throws(shouldThrow, block, expected, message) {
|
|
var actual;
|
|
|
|
if (util.isString(expected)) {
|
|
message = expected;
|
|
expected = null;
|
|
}
|
|
|
|
try {
|
|
block();
|
|
} catch (e) {
|
|
actual = e;
|
|
}
|
|
|
|
message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
|
|
(message ? ' ' + message : '.');
|
|
|
|
if (shouldThrow && !actual) {
|
|
fail(actual, expected, 'Missing expected exception' + message);
|
|
}
|
|
|
|
if (!shouldThrow && expectedException(actual, expected)) {
|
|
fail(actual, expected, 'Got unwanted exception' + message);
|
|
}
|
|
|
|
if ((shouldThrow && actual && expected &&
|
|
!expectedException(actual, expected)) || (!shouldThrow && actual)) {
|
|
throw actual;
|
|
}
|
|
}
|
|
|
|
// 11. Expected to throw an error:
|
|
// assert.throws(block, Error_opt, message_opt);
|
|
|
|
assert.throws = function(block, /*optional*/error, /*optional*/message) {
|
|
_throws.apply(this, [true].concat(pSlice.call(arguments)));
|
|
};
|
|
|
|
// EXTENSION! This is annoying to write outside this module.
|
|
assert.doesNotThrow = function(block, /*optional*/message) {
|
|
_throws.apply(this, [false].concat(pSlice.call(arguments)));
|
|
};
|
|
|
|
assert.ifError = function(err) { if (err) {throw err;}};
|
|
|
|
var objectKeys = Object.keys || function (obj) {
|
|
var keys = [];
|
|
for (var key in obj) {
|
|
if (hasOwn.call(obj, key)) keys.push(key);
|
|
}
|
|
return keys;
|
|
};
|
|
|
|
},{"util/":40}],33:[function(require,module,exports){
|
|
(function (global){
|
|
/*!
|
|
* The buffer module from node.js, for the browser.
|
|
*
|
|
* @author Feross Aboukhadijeh <feross@feross.org> <http://feross.org>
|
|
* @license MIT
|
|
*/
|
|
/* eslint-disable no-proto */
|
|
|
|
'use strict'
|
|
|
|
var base64 = require('base64-js')
|
|
var ieee754 = require('ieee754')
|
|
var isArray = require('isarray')
|
|
|
|
exports.Buffer = Buffer
|
|
exports.SlowBuffer = SlowBuffer
|
|
exports.INSPECT_MAX_BYTES = 50
|
|
|
|
/**
|
|
* If `Buffer.TYPED_ARRAY_SUPPORT`:
|
|
* === true Use Uint8Array implementation (fastest)
|
|
* === false Use Object implementation (most compatible, even IE6)
|
|
*
|
|
* Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
|
|
* Opera 11.6+, iOS 4.2+.
|
|
*
|
|
* Due to various browser bugs, sometimes the Object implementation will be used even
|
|
* when the browser supports typed arrays.
|
|
*
|
|
* Note:
|
|
*
|
|
* - Firefox 4-29 lacks support for adding new properties to `Uint8Array` instances,
|
|
* See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438.
|
|
*
|
|
* - Chrome 9-10 is missing the `TypedArray.prototype.subarray` function.
|
|
*
|
|
* - IE10 has a broken `TypedArray.prototype.subarray` function which returns arrays of
|
|
* incorrect length in some situations.
|
|
|
|
* We detect these buggy browsers and set `Buffer.TYPED_ARRAY_SUPPORT` to `false` so they
|
|
* get the Object implementation, which is slower but behaves correctly.
|
|
*/
|
|
Buffer.TYPED_ARRAY_SUPPORT = global.TYPED_ARRAY_SUPPORT !== undefined
|
|
? global.TYPED_ARRAY_SUPPORT
|
|
: typedArraySupport()
|
|
|
|
/*
|
|
* Export kMaxLength after typed array support is determined.
|
|
*/
|
|
exports.kMaxLength = kMaxLength()
|
|
|
|
function typedArraySupport () {
|
|
try {
|
|
var arr = new Uint8Array(1)
|
|
arr.__proto__ = {__proto__: Uint8Array.prototype, foo: function () { return 42 }}
|
|
return arr.foo() === 42 && // typed array instances can be augmented
|
|
typeof arr.subarray === 'function' && // chrome 9-10 lack `subarray`
|
|
arr.subarray(1, 1).byteLength === 0 // ie10 has broken `subarray`
|
|
} catch (e) {
|
|
return false
|
|
}
|
|
}
|
|
|
|
function kMaxLength () {
|
|
return Buffer.TYPED_ARRAY_SUPPORT
|
|
? 0x7fffffff
|
|
: 0x3fffffff
|
|
}
|
|
|
|
function createBuffer (that, length) {
|
|
if (kMaxLength() < length) {
|
|
throw new RangeError('Invalid typed array length')
|
|
}
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
// Return an augmented `Uint8Array` instance, for best performance
|
|
that = new Uint8Array(length)
|
|
that.__proto__ = Buffer.prototype
|
|
} else {
|
|
// Fallback: Return an object instance of the Buffer class
|
|
if (that === null) {
|
|
that = new Buffer(length)
|
|
}
|
|
that.length = length
|
|
}
|
|
|
|
return that
|
|
}
|
|
|
|
/**
|
|
* The Buffer constructor returns instances of `Uint8Array` that have their
|
|
* prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
|
|
* `Uint8Array`, so the returned instances will have all the node `Buffer` methods
|
|
* and the `Uint8Array` methods. Square bracket notation works as expected -- it
|
|
* returns a single octet.
|
|
*
|
|
* The `Uint8Array` prototype remains unmodified.
|
|
*/
|
|
|
|
function Buffer (arg, encodingOrOffset, length) {
|
|
if (!Buffer.TYPED_ARRAY_SUPPORT && !(this instanceof Buffer)) {
|
|
return new Buffer(arg, encodingOrOffset, length)
|
|
}
|
|
|
|
// Common case.
|
|
if (typeof arg === 'number') {
|
|
if (typeof encodingOrOffset === 'string') {
|
|
throw new Error(
|
|
'If encoding is specified then the first argument must be a string'
|
|
)
|
|
}
|
|
return allocUnsafe(this, arg)
|
|
}
|
|
return from(this, arg, encodingOrOffset, length)
|
|
}
|
|
|
|
Buffer.poolSize = 8192 // not used by this implementation
|
|
|
|
// TODO: Legacy, not needed anymore. Remove in next major version.
|
|
Buffer._augment = function (arr) {
|
|
arr.__proto__ = Buffer.prototype
|
|
return arr
|
|
}
|
|
|
|
function from (that, value, encodingOrOffset, length) {
|
|
if (typeof value === 'number') {
|
|
throw new TypeError('"value" argument must not be a number')
|
|
}
|
|
|
|
if (typeof ArrayBuffer !== 'undefined' && value instanceof ArrayBuffer) {
|
|
return fromArrayBuffer(that, value, encodingOrOffset, length)
|
|
}
|
|
|
|
if (typeof value === 'string') {
|
|
return fromString(that, value, encodingOrOffset)
|
|
}
|
|
|
|
return fromObject(that, value)
|
|
}
|
|
|
|
/**
|
|
* Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
|
|
* if value is a number.
|
|
* Buffer.from(str[, encoding])
|
|
* Buffer.from(array)
|
|
* Buffer.from(buffer)
|
|
* Buffer.from(arrayBuffer[, byteOffset[, length]])
|
|
**/
|
|
Buffer.from = function (value, encodingOrOffset, length) {
|
|
return from(null, value, encodingOrOffset, length)
|
|
}
|
|
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
Buffer.prototype.__proto__ = Uint8Array.prototype
|
|
Buffer.__proto__ = Uint8Array
|
|
if (typeof Symbol !== 'undefined' && Symbol.species &&
|
|
Buffer[Symbol.species] === Buffer) {
|
|
// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
|
|
Object.defineProperty(Buffer, Symbol.species, {
|
|
value: null,
|
|
configurable: true
|
|
})
|
|
}
|
|
}
|
|
|
|
function assertSize (size) {
|
|
if (typeof size !== 'number') {
|
|
throw new TypeError('"size" argument must be a number')
|
|
}
|
|
}
|
|
|
|
function alloc (that, size, fill, encoding) {
|
|
assertSize(size)
|
|
if (size <= 0) {
|
|
return createBuffer(that, size)
|
|
}
|
|
if (fill !== undefined) {
|
|
// Only pay attention to encoding if it's a string. This
|
|
// prevents accidentally sending in a number that would
|
|
// be interpretted as a start offset.
|
|
return typeof encoding === 'string'
|
|
? createBuffer(that, size).fill(fill, encoding)
|
|
: createBuffer(that, size).fill(fill)
|
|
}
|
|
return createBuffer(that, size)
|
|
}
|
|
|
|
/**
|
|
* Creates a new filled Buffer instance.
|
|
* alloc(size[, fill[, encoding]])
|
|
**/
|
|
Buffer.alloc = function (size, fill, encoding) {
|
|
return alloc(null, size, fill, encoding)
|
|
}
|
|
|
|
function allocUnsafe (that, size) {
|
|
assertSize(size)
|
|
that = createBuffer(that, size < 0 ? 0 : checked(size) | 0)
|
|
if (!Buffer.TYPED_ARRAY_SUPPORT) {
|
|
for (var i = 0; i < size; ++i) {
|
|
that[i] = 0
|
|
}
|
|
}
|
|
return that
|
|
}
|
|
|
|
/**
|
|
* Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
|
|
* */
|
|
Buffer.allocUnsafe = function (size) {
|
|
return allocUnsafe(null, size)
|
|
}
|
|
/**
|
|
* Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
|
|
*/
|
|
Buffer.allocUnsafeSlow = function (size) {
|
|
return allocUnsafe(null, size)
|
|
}
|
|
|
|
function fromString (that, string, encoding) {
|
|
if (typeof encoding !== 'string' || encoding === '') {
|
|
encoding = 'utf8'
|
|
}
|
|
|
|
if (!Buffer.isEncoding(encoding)) {
|
|
throw new TypeError('"encoding" must be a valid string encoding')
|
|
}
|
|
|
|
var length = byteLength(string, encoding) | 0
|
|
that = createBuffer(that, length)
|
|
|
|
that.write(string, encoding)
|
|
return that
|
|
}
|
|
|
|
function fromArrayLike (that, array) {
|
|
var length = checked(array.length) | 0
|
|
that = createBuffer(that, length)
|
|
for (var i = 0; i < length; i += 1) {
|
|
that[i] = array[i] & 255
|
|
}
|
|
return that
|
|
}
|
|
|
|
function fromArrayBuffer (that, array, byteOffset, length) {
|
|
array.byteLength // this throws if `array` is not a valid ArrayBuffer
|
|
|
|
if (byteOffset < 0 || array.byteLength < byteOffset) {
|
|
throw new RangeError('\'offset\' is out of bounds')
|
|
}
|
|
|
|
if (array.byteLength < byteOffset + (length || 0)) {
|
|
throw new RangeError('\'length\' is out of bounds')
|
|
}
|
|
|
|
if (byteOffset === undefined && length === undefined) {
|
|
array = new Uint8Array(array)
|
|
} else if (length === undefined) {
|
|
array = new Uint8Array(array, byteOffset)
|
|
} else {
|
|
array = new Uint8Array(array, byteOffset, length)
|
|
}
|
|
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
// Return an augmented `Uint8Array` instance, for best performance
|
|
that = array
|
|
that.__proto__ = Buffer.prototype
|
|
} else {
|
|
// Fallback: Return an object instance of the Buffer class
|
|
that = fromArrayLike(that, array)
|
|
}
|
|
return that
|
|
}
|
|
|
|
function fromObject (that, obj) {
|
|
if (Buffer.isBuffer(obj)) {
|
|
var len = checked(obj.length) | 0
|
|
that = createBuffer(that, len)
|
|
|
|
if (that.length === 0) {
|
|
return that
|
|
}
|
|
|
|
obj.copy(that, 0, 0, len)
|
|
return that
|
|
}
|
|
|
|
if (obj) {
|
|
if ((typeof ArrayBuffer !== 'undefined' &&
|
|
obj.buffer instanceof ArrayBuffer) || 'length' in obj) {
|
|
if (typeof obj.length !== 'number' || isnan(obj.length)) {
|
|
return createBuffer(that, 0)
|
|
}
|
|
return fromArrayLike(that, obj)
|
|
}
|
|
|
|
if (obj.type === 'Buffer' && isArray(obj.data)) {
|
|
return fromArrayLike(that, obj.data)
|
|
}
|
|
}
|
|
|
|
throw new TypeError('First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.')
|
|
}
|
|
|
|
function checked (length) {
|
|
// Note: cannot use `length < kMaxLength` here because that fails when
|
|
// length is NaN (which is otherwise coerced to zero.)
|
|
if (length >= kMaxLength()) {
|
|
throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
|
|
'size: 0x' + kMaxLength().toString(16) + ' bytes')
|
|
}
|
|
return length | 0
|
|
}
|
|
|
|
function SlowBuffer (length) {
|
|
if (+length != length) { // eslint-disable-line eqeqeq
|
|
length = 0
|
|
}
|
|
return Buffer.alloc(+length)
|
|
}
|
|
|
|
Buffer.isBuffer = function isBuffer (b) {
|
|
return !!(b != null && b._isBuffer)
|
|
}
|
|
|
|
Buffer.compare = function compare (a, b) {
|
|
if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
|
|
throw new TypeError('Arguments must be Buffers')
|
|
}
|
|
|
|
if (a === b) return 0
|
|
|
|
var x = a.length
|
|
var y = b.length
|
|
|
|
for (var i = 0, len = Math.min(x, y); i < len; ++i) {
|
|
if (a[i] !== b[i]) {
|
|
x = a[i]
|
|
y = b[i]
|
|
break
|
|
}
|
|
}
|
|
|
|
if (x < y) return -1
|
|
if (y < x) return 1
|
|
return 0
|
|
}
|
|
|
|
Buffer.isEncoding = function isEncoding (encoding) {
|
|
switch (String(encoding).toLowerCase()) {
|
|
case 'hex':
|
|
case 'utf8':
|
|
case 'utf-8':
|
|
case 'ascii':
|
|
case 'binary':
|
|
case 'base64':
|
|
case 'raw':
|
|
case 'ucs2':
|
|
case 'ucs-2':
|
|
case 'utf16le':
|
|
case 'utf-16le':
|
|
return true
|
|
default:
|
|
return false
|
|
}
|
|
}
|
|
|
|
Buffer.concat = function concat (list, length) {
|
|
if (!isArray(list)) {
|
|
throw new TypeError('"list" argument must be an Array of Buffers')
|
|
}
|
|
|
|
if (list.length === 0) {
|
|
return Buffer.alloc(0)
|
|
}
|
|
|
|
var i
|
|
if (length === undefined) {
|
|
length = 0
|
|
for (i = 0; i < list.length; ++i) {
|
|
length += list[i].length
|
|
}
|
|
}
|
|
|
|
var buffer = Buffer.allocUnsafe(length)
|
|
var pos = 0
|
|
for (i = 0; i < list.length; ++i) {
|
|
var buf = list[i]
|
|
if (!Buffer.isBuffer(buf)) {
|
|
throw new TypeError('"list" argument must be an Array of Buffers')
|
|
}
|
|
buf.copy(buffer, pos)
|
|
pos += buf.length
|
|
}
|
|
return buffer
|
|
}
|
|
|
|
function byteLength (string, encoding) {
|
|
if (Buffer.isBuffer(string)) {
|
|
return string.length
|
|
}
|
|
if (typeof ArrayBuffer !== 'undefined' && typeof ArrayBuffer.isView === 'function' &&
|
|
(ArrayBuffer.isView(string) || string instanceof ArrayBuffer)) {
|
|
return string.byteLength
|
|
}
|
|
if (typeof string !== 'string') {
|
|
string = '' + string
|
|
}
|
|
|
|
var len = string.length
|
|
if (len === 0) return 0
|
|
|
|
// Use a for loop to avoid recursion
|
|
var loweredCase = false
|
|
for (;;) {
|
|
switch (encoding) {
|
|
case 'ascii':
|
|
case 'binary':
|
|
case 'raw':
|
|
case 'raws':
|
|
return len
|
|
case 'utf8':
|
|
case 'utf-8':
|
|
case undefined:
|
|
return utf8ToBytes(string).length
|
|
case 'ucs2':
|
|
case 'ucs-2':
|
|
case 'utf16le':
|
|
case 'utf-16le':
|
|
return len * 2
|
|
case 'hex':
|
|
return len >>> 1
|
|
case 'base64':
|
|
return base64ToBytes(string).length
|
|
default:
|
|
if (loweredCase) return utf8ToBytes(string).length // assume utf8
|
|
encoding = ('' + encoding).toLowerCase()
|
|
loweredCase = true
|
|
}
|
|
}
|
|
}
|
|
Buffer.byteLength = byteLength
|
|
|
|
function slowToString (encoding, start, end) {
|
|
var loweredCase = false
|
|
|
|
// No need to verify that "this.length <= MAX_UINT32" since it's a read-only
|
|
// property of a typed array.
|
|
|
|
// This behaves neither like String nor Uint8Array in that we set start/end
|
|
// to their upper/lower bounds if the value passed is out of range.
|
|
// undefined is handled specially as per ECMA-262 6th Edition,
|
|
// Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
|
|
if (start === undefined || start < 0) {
|
|
start = 0
|
|
}
|
|
// Return early if start > this.length. Done here to prevent potential uint32
|
|
// coercion fail below.
|
|
if (start > this.length) {
|
|
return ''
|
|
}
|
|
|
|
if (end === undefined || end > this.length) {
|
|
end = this.length
|
|
}
|
|
|
|
if (end <= 0) {
|
|
return ''
|
|
}
|
|
|
|
// Force coersion to uint32. This will also coerce falsey/NaN values to 0.
|
|
end >>>= 0
|
|
start >>>= 0
|
|
|
|
if (end <= start) {
|
|
return ''
|
|
}
|
|
|
|
if (!encoding) encoding = 'utf8'
|
|
|
|
while (true) {
|
|
switch (encoding) {
|
|
case 'hex':
|
|
return hexSlice(this, start, end)
|
|
|
|
case 'utf8':
|
|
case 'utf-8':
|
|
return utf8Slice(this, start, end)
|
|
|
|
case 'ascii':
|
|
return asciiSlice(this, start, end)
|
|
|
|
case 'binary':
|
|
return binarySlice(this, start, end)
|
|
|
|
case 'base64':
|
|
return base64Slice(this, start, end)
|
|
|
|
case 'ucs2':
|
|
case 'ucs-2':
|
|
case 'utf16le':
|
|
case 'utf-16le':
|
|
return utf16leSlice(this, start, end)
|
|
|
|
default:
|
|
if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
|
|
encoding = (encoding + '').toLowerCase()
|
|
loweredCase = true
|
|
}
|
|
}
|
|
}
|
|
|
|
// The property is used by `Buffer.isBuffer` and `is-buffer` (in Safari 5-7) to detect
|
|
// Buffer instances.
|
|
Buffer.prototype._isBuffer = true
|
|
|
|
function swap (b, n, m) {
|
|
var i = b[n]
|
|
b[n] = b[m]
|
|
b[m] = i
|
|
}
|
|
|
|
Buffer.prototype.swap16 = function swap16 () {
|
|
var len = this.length
|
|
if (len % 2 !== 0) {
|
|
throw new RangeError('Buffer size must be a multiple of 16-bits')
|
|
}
|
|
for (var i = 0; i < len; i += 2) {
|
|
swap(this, i, i + 1)
|
|
}
|
|
return this
|
|
}
|
|
|
|
Buffer.prototype.swap32 = function swap32 () {
|
|
var len = this.length
|
|
if (len % 4 !== 0) {
|
|
throw new RangeError('Buffer size must be a multiple of 32-bits')
|
|
}
|
|
for (var i = 0; i < len; i += 4) {
|
|
swap(this, i, i + 3)
|
|
swap(this, i + 1, i + 2)
|
|
}
|
|
return this
|
|
}
|
|
|
|
Buffer.prototype.toString = function toString () {
|
|
var length = this.length | 0
|
|
if (length === 0) return ''
|
|
if (arguments.length === 0) return utf8Slice(this, 0, length)
|
|
return slowToString.apply(this, arguments)
|
|
}
|
|
|
|
Buffer.prototype.equals = function equals (b) {
|
|
if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
|
|
if (this === b) return true
|
|
return Buffer.compare(this, b) === 0
|
|
}
|
|
|
|
Buffer.prototype.inspect = function inspect () {
|
|
var str = ''
|
|
var max = exports.INSPECT_MAX_BYTES
|
|
if (this.length > 0) {
|
|
str = this.toString('hex', 0, max).match(/.{2}/g).join(' ')
|
|
if (this.length > max) str += ' ... '
|
|
}
|
|
return '<Buffer ' + str + '>'
|
|
}
|
|
|
|
Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
|
|
if (!Buffer.isBuffer(target)) {
|
|
throw new TypeError('Argument must be a Buffer')
|
|
}
|
|
|
|
if (start === undefined) {
|
|
start = 0
|
|
}
|
|
if (end === undefined) {
|
|
end = target ? target.length : 0
|
|
}
|
|
if (thisStart === undefined) {
|
|
thisStart = 0
|
|
}
|
|
if (thisEnd === undefined) {
|
|
thisEnd = this.length
|
|
}
|
|
|
|
if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
|
|
throw new RangeError('out of range index')
|
|
}
|
|
|
|
if (thisStart >= thisEnd && start >= end) {
|
|
return 0
|
|
}
|
|
if (thisStart >= thisEnd) {
|
|
return -1
|
|
}
|
|
if (start >= end) {
|
|
return 1
|
|
}
|
|
|
|
start >>>= 0
|
|
end >>>= 0
|
|
thisStart >>>= 0
|
|
thisEnd >>>= 0
|
|
|
|
if (this === target) return 0
|
|
|
|
var x = thisEnd - thisStart
|
|
var y = end - start
|
|
var len = Math.min(x, y)
|
|
|
|
var thisCopy = this.slice(thisStart, thisEnd)
|
|
var targetCopy = target.slice(start, end)
|
|
|
|
for (var i = 0; i < len; ++i) {
|
|
if (thisCopy[i] !== targetCopy[i]) {
|
|
x = thisCopy[i]
|
|
y = targetCopy[i]
|
|
break
|
|
}
|
|
}
|
|
|
|
if (x < y) return -1
|
|
if (y < x) return 1
|
|
return 0
|
|
}
|
|
|
|
function arrayIndexOf (arr, val, byteOffset, encoding) {
|
|
var indexSize = 1
|
|
var arrLength = arr.length
|
|
var valLength = val.length
|
|
|
|
if (encoding !== undefined) {
|
|
encoding = String(encoding).toLowerCase()
|
|
if (encoding === 'ucs2' || encoding === 'ucs-2' ||
|
|
encoding === 'utf16le' || encoding === 'utf-16le') {
|
|
if (arr.length < 2 || val.length < 2) {
|
|
return -1
|
|
}
|
|
indexSize = 2
|
|
arrLength /= 2
|
|
valLength /= 2
|
|
byteOffset /= 2
|
|
}
|
|
}
|
|
|
|
function read (buf, i) {
|
|
if (indexSize === 1) {
|
|
return buf[i]
|
|
} else {
|
|
return buf.readUInt16BE(i * indexSize)
|
|
}
|
|
}
|
|
|
|
var foundIndex = -1
|
|
for (var i = byteOffset; i < arrLength; ++i) {
|
|
if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
|
|
if (foundIndex === -1) foundIndex = i
|
|
if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
|
|
} else {
|
|
if (foundIndex !== -1) i -= i - foundIndex
|
|
foundIndex = -1
|
|
}
|
|
}
|
|
|
|
return -1
|
|
}
|
|
|
|
Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
|
|
if (typeof byteOffset === 'string') {
|
|
encoding = byteOffset
|
|
byteOffset = 0
|
|
} else if (byteOffset > 0x7fffffff) {
|
|
byteOffset = 0x7fffffff
|
|
} else if (byteOffset < -0x80000000) {
|
|
byteOffset = -0x80000000
|
|
}
|
|
byteOffset >>= 0
|
|
|
|
if (this.length === 0) return -1
|
|
if (byteOffset >= this.length) return -1
|
|
|
|
// Negative offsets start from the end of the buffer
|
|
if (byteOffset < 0) byteOffset = Math.max(this.length + byteOffset, 0)
|
|
|
|
if (typeof val === 'string') {
|
|
val = Buffer.from(val, encoding)
|
|
}
|
|
|
|
if (Buffer.isBuffer(val)) {
|
|
// special case: looking for empty string/buffer always fails
|
|
if (val.length === 0) {
|
|
return -1
|
|
}
|
|
return arrayIndexOf(this, val, byteOffset, encoding)
|
|
}
|
|
if (typeof val === 'number') {
|
|
if (Buffer.TYPED_ARRAY_SUPPORT && Uint8Array.prototype.indexOf === 'function') {
|
|
return Uint8Array.prototype.indexOf.call(this, val, byteOffset)
|
|
}
|
|
return arrayIndexOf(this, [ val ], byteOffset, encoding)
|
|
}
|
|
|
|
throw new TypeError('val must be string, number or Buffer')
|
|
}
|
|
|
|
Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
|
|
return this.indexOf(val, byteOffset, encoding) !== -1
|
|
}
|
|
|
|
function hexWrite (buf, string, offset, length) {
|
|
offset = Number(offset) || 0
|
|
var remaining = buf.length - offset
|
|
if (!length) {
|
|
length = remaining
|
|
} else {
|
|
length = Number(length)
|
|
if (length > remaining) {
|
|
length = remaining
|
|
}
|
|
}
|
|
|
|
// must be an even number of digits
|
|
var strLen = string.length
|
|
if (strLen % 2 !== 0) throw new Error('Invalid hex string')
|
|
|
|
if (length > strLen / 2) {
|
|
length = strLen / 2
|
|
}
|
|
for (var i = 0; i < length; ++i) {
|
|
var parsed = parseInt(string.substr(i * 2, 2), 16)
|
|
if (isNaN(parsed)) return i
|
|
buf[offset + i] = parsed
|
|
}
|
|
return i
|
|
}
|
|
|
|
function utf8Write (buf, string, offset, length) {
|
|
return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
|
|
}
|
|
|
|
function asciiWrite (buf, string, offset, length) {
|
|
return blitBuffer(asciiToBytes(string), buf, offset, length)
|
|
}
|
|
|
|
function binaryWrite (buf, string, offset, length) {
|
|
return asciiWrite(buf, string, offset, length)
|
|
}
|
|
|
|
function base64Write (buf, string, offset, length) {
|
|
return blitBuffer(base64ToBytes(string), buf, offset, length)
|
|
}
|
|
|
|
function ucs2Write (buf, string, offset, length) {
|
|
return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
|
|
}
|
|
|
|
Buffer.prototype.write = function write (string, offset, length, encoding) {
|
|
// Buffer#write(string)
|
|
if (offset === undefined) {
|
|
encoding = 'utf8'
|
|
length = this.length
|
|
offset = 0
|
|
// Buffer#write(string, encoding)
|
|
} else if (length === undefined && typeof offset === 'string') {
|
|
encoding = offset
|
|
length = this.length
|
|
offset = 0
|
|
// Buffer#write(string, offset[, length][, encoding])
|
|
} else if (isFinite(offset)) {
|
|
offset = offset | 0
|
|
if (isFinite(length)) {
|
|
length = length | 0
|
|
if (encoding === undefined) encoding = 'utf8'
|
|
} else {
|
|
encoding = length
|
|
length = undefined
|
|
}
|
|
// legacy write(string, encoding, offset, length) - remove in v0.13
|
|
} else {
|
|
throw new Error(
|
|
'Buffer.write(string, encoding, offset[, length]) is no longer supported'
|
|
)
|
|
}
|
|
|
|
var remaining = this.length - offset
|
|
if (length === undefined || length > remaining) length = remaining
|
|
|
|
if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
|
|
throw new RangeError('Attempt to write outside buffer bounds')
|
|
}
|
|
|
|
if (!encoding) encoding = 'utf8'
|
|
|
|
var loweredCase = false
|
|
for (;;) {
|
|
switch (encoding) {
|
|
case 'hex':
|
|
return hexWrite(this, string, offset, length)
|
|
|
|
case 'utf8':
|
|
case 'utf-8':
|
|
return utf8Write(this, string, offset, length)
|
|
|
|
case 'ascii':
|
|
return asciiWrite(this, string, offset, length)
|
|
|
|
case 'binary':
|
|
return binaryWrite(this, string, offset, length)
|
|
|
|
case 'base64':
|
|
// Warning: maxLength not taken into account in base64Write
|
|
return base64Write(this, string, offset, length)
|
|
|
|
case 'ucs2':
|
|
case 'ucs-2':
|
|
case 'utf16le':
|
|
case 'utf-16le':
|
|
return ucs2Write(this, string, offset, length)
|
|
|
|
default:
|
|
if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
|
|
encoding = ('' + encoding).toLowerCase()
|
|
loweredCase = true
|
|
}
|
|
}
|
|
}
|
|
|
|
Buffer.prototype.toJSON = function toJSON () {
|
|
return {
|
|
type: 'Buffer',
|
|
data: Array.prototype.slice.call(this._arr || this, 0)
|
|
}
|
|
}
|
|
|
|
function base64Slice (buf, start, end) {
|
|
if (start === 0 && end === buf.length) {
|
|
return base64.fromByteArray(buf)
|
|
} else {
|
|
return base64.fromByteArray(buf.slice(start, end))
|
|
}
|
|
}
|
|
|
|
function utf8Slice (buf, start, end) {
|
|
end = Math.min(buf.length, end)
|
|
var res = []
|
|
|
|
var i = start
|
|
while (i < end) {
|
|
var firstByte = buf[i]
|
|
var codePoint = null
|
|
var bytesPerSequence = (firstByte > 0xEF) ? 4
|
|
: (firstByte > 0xDF) ? 3
|
|
: (firstByte > 0xBF) ? 2
|
|
: 1
|
|
|
|
if (i + bytesPerSequence <= end) {
|
|
var secondByte, thirdByte, fourthByte, tempCodePoint
|
|
|
|
switch (bytesPerSequence) {
|
|
case 1:
|
|
if (firstByte < 0x80) {
|
|
codePoint = firstByte
|
|
}
|
|
break
|
|
case 2:
|
|
secondByte = buf[i + 1]
|
|
if ((secondByte & 0xC0) === 0x80) {
|
|
tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
|
|
if (tempCodePoint > 0x7F) {
|
|
codePoint = tempCodePoint
|
|
}
|
|
}
|
|
break
|
|
case 3:
|
|
secondByte = buf[i + 1]
|
|
thirdByte = buf[i + 2]
|
|
if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
|
|
tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
|
|
if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
|
|
codePoint = tempCodePoint
|
|
}
|
|
}
|
|
break
|
|
case 4:
|
|
secondByte = buf[i + 1]
|
|
thirdByte = buf[i + 2]
|
|
fourthByte = buf[i + 3]
|
|
if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
|
|
tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
|
|
if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
|
|
codePoint = tempCodePoint
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (codePoint === null) {
|
|
// we did not generate a valid codePoint so insert a
|
|
// replacement char (U+FFFD) and advance only 1 byte
|
|
codePoint = 0xFFFD
|
|
bytesPerSequence = 1
|
|
} else if (codePoint > 0xFFFF) {
|
|
// encode to utf16 (surrogate pair dance)
|
|
codePoint -= 0x10000
|
|
res.push(codePoint >>> 10 & 0x3FF | 0xD800)
|
|
codePoint = 0xDC00 | codePoint & 0x3FF
|
|
}
|
|
|
|
res.push(codePoint)
|
|
i += bytesPerSequence
|
|
}
|
|
|
|
return decodeCodePointsArray(res)
|
|
}
|
|
|
|
// Based on http://stackoverflow.com/a/22747272/680742, the browser with
|
|
// the lowest limit is Chrome, with 0x10000 args.
|
|
// We go 1 magnitude less, for safety
|
|
var MAX_ARGUMENTS_LENGTH = 0x1000
|
|
|
|
function decodeCodePointsArray (codePoints) {
|
|
var len = codePoints.length
|
|
if (len <= MAX_ARGUMENTS_LENGTH) {
|
|
return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
|
|
}
|
|
|
|
// Decode in chunks to avoid "call stack size exceeded".
|
|
var res = ''
|
|
var i = 0
|
|
while (i < len) {
|
|
res += String.fromCharCode.apply(
|
|
String,
|
|
codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
|
|
)
|
|
}
|
|
return res
|
|
}
|
|
|
|
function asciiSlice (buf, start, end) {
|
|
var ret = ''
|
|
end = Math.min(buf.length, end)
|
|
|
|
for (var i = start; i < end; ++i) {
|
|
ret += String.fromCharCode(buf[i] & 0x7F)
|
|
}
|
|
return ret
|
|
}
|
|
|
|
function binarySlice (buf, start, end) {
|
|
var ret = ''
|
|
end = Math.min(buf.length, end)
|
|
|
|
for (var i = start; i < end; ++i) {
|
|
ret += String.fromCharCode(buf[i])
|
|
}
|
|
return ret
|
|
}
|
|
|
|
function hexSlice (buf, start, end) {
|
|
var len = buf.length
|
|
|
|
if (!start || start < 0) start = 0
|
|
if (!end || end < 0 || end > len) end = len
|
|
|
|
var out = ''
|
|
for (var i = start; i < end; ++i) {
|
|
out += toHex(buf[i])
|
|
}
|
|
return out
|
|
}
|
|
|
|
function utf16leSlice (buf, start, end) {
|
|
var bytes = buf.slice(start, end)
|
|
var res = ''
|
|
for (var i = 0; i < bytes.length; i += 2) {
|
|
res += String.fromCharCode(bytes[i] + bytes[i + 1] * 256)
|
|
}
|
|
return res
|
|
}
|
|
|
|
Buffer.prototype.slice = function slice (start, end) {
|
|
var len = this.length
|
|
start = ~~start
|
|
end = end === undefined ? len : ~~end
|
|
|
|
if (start < 0) {
|
|
start += len
|
|
if (start < 0) start = 0
|
|
} else if (start > len) {
|
|
start = len
|
|
}
|
|
|
|
if (end < 0) {
|
|
end += len
|
|
if (end < 0) end = 0
|
|
} else if (end > len) {
|
|
end = len
|
|
}
|
|
|
|
if (end < start) end = start
|
|
|
|
var newBuf
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
newBuf = this.subarray(start, end)
|
|
newBuf.__proto__ = Buffer.prototype
|
|
} else {
|
|
var sliceLen = end - start
|
|
newBuf = new Buffer(sliceLen, undefined)
|
|
for (var i = 0; i < sliceLen; ++i) {
|
|
newBuf[i] = this[i + start]
|
|
}
|
|
}
|
|
|
|
return newBuf
|
|
}
|
|
|
|
/*
|
|
* Need to make sure that buffer isn't trying to write out of bounds.
|
|
*/
|
|
function checkOffset (offset, ext, length) {
|
|
if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
|
|
if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
|
|
}
|
|
|
|
Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
|
|
offset = offset | 0
|
|
byteLength = byteLength | 0
|
|
if (!noAssert) checkOffset(offset, byteLength, this.length)
|
|
|
|
var val = this[offset]
|
|
var mul = 1
|
|
var i = 0
|
|
while (++i < byteLength && (mul *= 0x100)) {
|
|
val += this[offset + i] * mul
|
|
}
|
|
|
|
return val
|
|
}
|
|
|
|
Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
|
|
offset = offset | 0
|
|
byteLength = byteLength | 0
|
|
if (!noAssert) {
|
|
checkOffset(offset, byteLength, this.length)
|
|
}
|
|
|
|
var val = this[offset + --byteLength]
|
|
var mul = 1
|
|
while (byteLength > 0 && (mul *= 0x100)) {
|
|
val += this[offset + --byteLength] * mul
|
|
}
|
|
|
|
return val
|
|
}
|
|
|
|
Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 1, this.length)
|
|
return this[offset]
|
|
}
|
|
|
|
Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 2, this.length)
|
|
return this[offset] | (this[offset + 1] << 8)
|
|
}
|
|
|
|
Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 2, this.length)
|
|
return (this[offset] << 8) | this[offset + 1]
|
|
}
|
|
|
|
Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length)
|
|
|
|
return ((this[offset]) |
|
|
(this[offset + 1] << 8) |
|
|
(this[offset + 2] << 16)) +
|
|
(this[offset + 3] * 0x1000000)
|
|
}
|
|
|
|
Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length)
|
|
|
|
return (this[offset] * 0x1000000) +
|
|
((this[offset + 1] << 16) |
|
|
(this[offset + 2] << 8) |
|
|
this[offset + 3])
|
|
}
|
|
|
|
Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
|
|
offset = offset | 0
|
|
byteLength = byteLength | 0
|
|
if (!noAssert) checkOffset(offset, byteLength, this.length)
|
|
|
|
var val = this[offset]
|
|
var mul = 1
|
|
var i = 0
|
|
while (++i < byteLength && (mul *= 0x100)) {
|
|
val += this[offset + i] * mul
|
|
}
|
|
mul *= 0x80
|
|
|
|
if (val >= mul) val -= Math.pow(2, 8 * byteLength)
|
|
|
|
return val
|
|
}
|
|
|
|
Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
|
|
offset = offset | 0
|
|
byteLength = byteLength | 0
|
|
if (!noAssert) checkOffset(offset, byteLength, this.length)
|
|
|
|
var i = byteLength
|
|
var mul = 1
|
|
var val = this[offset + --i]
|
|
while (i > 0 && (mul *= 0x100)) {
|
|
val += this[offset + --i] * mul
|
|
}
|
|
mul *= 0x80
|
|
|
|
if (val >= mul) val -= Math.pow(2, 8 * byteLength)
|
|
|
|
return val
|
|
}
|
|
|
|
Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 1, this.length)
|
|
if (!(this[offset] & 0x80)) return (this[offset])
|
|
return ((0xff - this[offset] + 1) * -1)
|
|
}
|
|
|
|
Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 2, this.length)
|
|
var val = this[offset] | (this[offset + 1] << 8)
|
|
return (val & 0x8000) ? val | 0xFFFF0000 : val
|
|
}
|
|
|
|
Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 2, this.length)
|
|
var val = this[offset + 1] | (this[offset] << 8)
|
|
return (val & 0x8000) ? val | 0xFFFF0000 : val
|
|
}
|
|
|
|
Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length)
|
|
|
|
return (this[offset]) |
|
|
(this[offset + 1] << 8) |
|
|
(this[offset + 2] << 16) |
|
|
(this[offset + 3] << 24)
|
|
}
|
|
|
|
Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length)
|
|
|
|
return (this[offset] << 24) |
|
|
(this[offset + 1] << 16) |
|
|
(this[offset + 2] << 8) |
|
|
(this[offset + 3])
|
|
}
|
|
|
|
Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length)
|
|
return ieee754.read(this, offset, true, 23, 4)
|
|
}
|
|
|
|
Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 4, this.length)
|
|
return ieee754.read(this, offset, false, 23, 4)
|
|
}
|
|
|
|
Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 8, this.length)
|
|
return ieee754.read(this, offset, true, 52, 8)
|
|
}
|
|
|
|
Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
|
|
if (!noAssert) checkOffset(offset, 8, this.length)
|
|
return ieee754.read(this, offset, false, 52, 8)
|
|
}
|
|
|
|
function checkInt (buf, value, offset, ext, max, min) {
|
|
if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
|
|
if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
|
|
if (offset + ext > buf.length) throw new RangeError('Index out of range')
|
|
}
|
|
|
|
Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
byteLength = byteLength | 0
|
|
if (!noAssert) {
|
|
var maxBytes = Math.pow(2, 8 * byteLength) - 1
|
|
checkInt(this, value, offset, byteLength, maxBytes, 0)
|
|
}
|
|
|
|
var mul = 1
|
|
var i = 0
|
|
this[offset] = value & 0xFF
|
|
while (++i < byteLength && (mul *= 0x100)) {
|
|
this[offset + i] = (value / mul) & 0xFF
|
|
}
|
|
|
|
return offset + byteLength
|
|
}
|
|
|
|
Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
byteLength = byteLength | 0
|
|
if (!noAssert) {
|
|
var maxBytes = Math.pow(2, 8 * byteLength) - 1
|
|
checkInt(this, value, offset, byteLength, maxBytes, 0)
|
|
}
|
|
|
|
var i = byteLength - 1
|
|
var mul = 1
|
|
this[offset + i] = value & 0xFF
|
|
while (--i >= 0 && (mul *= 0x100)) {
|
|
this[offset + i] = (value / mul) & 0xFF
|
|
}
|
|
|
|
return offset + byteLength
|
|
}
|
|
|
|
Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
|
|
if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
|
|
this[offset] = (value & 0xff)
|
|
return offset + 1
|
|
}
|
|
|
|
function objectWriteUInt16 (buf, value, offset, littleEndian) {
|
|
if (value < 0) value = 0xffff + value + 1
|
|
for (var i = 0, j = Math.min(buf.length - offset, 2); i < j; ++i) {
|
|
buf[offset + i] = (value & (0xff << (8 * (littleEndian ? i : 1 - i)))) >>>
|
|
(littleEndian ? i : 1 - i) * 8
|
|
}
|
|
}
|
|
|
|
Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value & 0xff)
|
|
this[offset + 1] = (value >>> 8)
|
|
} else {
|
|
objectWriteUInt16(this, value, offset, true)
|
|
}
|
|
return offset + 2
|
|
}
|
|
|
|
Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value >>> 8)
|
|
this[offset + 1] = (value & 0xff)
|
|
} else {
|
|
objectWriteUInt16(this, value, offset, false)
|
|
}
|
|
return offset + 2
|
|
}
|
|
|
|
function objectWriteUInt32 (buf, value, offset, littleEndian) {
|
|
if (value < 0) value = 0xffffffff + value + 1
|
|
for (var i = 0, j = Math.min(buf.length - offset, 4); i < j; ++i) {
|
|
buf[offset + i] = (value >>> (littleEndian ? i : 3 - i) * 8) & 0xff
|
|
}
|
|
}
|
|
|
|
Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset + 3] = (value >>> 24)
|
|
this[offset + 2] = (value >>> 16)
|
|
this[offset + 1] = (value >>> 8)
|
|
this[offset] = (value & 0xff)
|
|
} else {
|
|
objectWriteUInt32(this, value, offset, true)
|
|
}
|
|
return offset + 4
|
|
}
|
|
|
|
Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value >>> 24)
|
|
this[offset + 1] = (value >>> 16)
|
|
this[offset + 2] = (value >>> 8)
|
|
this[offset + 3] = (value & 0xff)
|
|
} else {
|
|
objectWriteUInt32(this, value, offset, false)
|
|
}
|
|
return offset + 4
|
|
}
|
|
|
|
Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) {
|
|
var limit = Math.pow(2, 8 * byteLength - 1)
|
|
|
|
checkInt(this, value, offset, byteLength, limit - 1, -limit)
|
|
}
|
|
|
|
var i = 0
|
|
var mul = 1
|
|
var sub = 0
|
|
this[offset] = value & 0xFF
|
|
while (++i < byteLength && (mul *= 0x100)) {
|
|
if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
|
|
sub = 1
|
|
}
|
|
this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
|
|
}
|
|
|
|
return offset + byteLength
|
|
}
|
|
|
|
Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) {
|
|
var limit = Math.pow(2, 8 * byteLength - 1)
|
|
|
|
checkInt(this, value, offset, byteLength, limit - 1, -limit)
|
|
}
|
|
|
|
var i = byteLength - 1
|
|
var mul = 1
|
|
var sub = 0
|
|
this[offset + i] = value & 0xFF
|
|
while (--i >= 0 && (mul *= 0x100)) {
|
|
if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
|
|
sub = 1
|
|
}
|
|
this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
|
|
}
|
|
|
|
return offset + byteLength
|
|
}
|
|
|
|
Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
|
|
if (!Buffer.TYPED_ARRAY_SUPPORT) value = Math.floor(value)
|
|
if (value < 0) value = 0xff + value + 1
|
|
this[offset] = (value & 0xff)
|
|
return offset + 1
|
|
}
|
|
|
|
Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value & 0xff)
|
|
this[offset + 1] = (value >>> 8)
|
|
} else {
|
|
objectWriteUInt16(this, value, offset, true)
|
|
}
|
|
return offset + 2
|
|
}
|
|
|
|
Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value >>> 8)
|
|
this[offset + 1] = (value & 0xff)
|
|
} else {
|
|
objectWriteUInt16(this, value, offset, false)
|
|
}
|
|
return offset + 2
|
|
}
|
|
|
|
Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value & 0xff)
|
|
this[offset + 1] = (value >>> 8)
|
|
this[offset + 2] = (value >>> 16)
|
|
this[offset + 3] = (value >>> 24)
|
|
} else {
|
|
objectWriteUInt32(this, value, offset, true)
|
|
}
|
|
return offset + 4
|
|
}
|
|
|
|
Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
|
|
value = +value
|
|
offset = offset | 0
|
|
if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
|
|
if (value < 0) value = 0xffffffff + value + 1
|
|
if (Buffer.TYPED_ARRAY_SUPPORT) {
|
|
this[offset] = (value >>> 24)
|
|
this[offset + 1] = (value >>> 16)
|
|
this[offset + 2] = (value >>> 8)
|
|
this[offset + 3] = (value & 0xff)
|
|
} else {
|
|
objectWriteUInt32(this, value, offset, false)
|
|
}
|
|
return offset + 4
|
|
}
|
|
|
|
function checkIEEE754 (buf, value, offset, ext, max, min) {
|
|
if (offset + ext > buf.length) throw new RangeError('Index out of range')
|
|
if (offset < 0) throw new RangeError('Index out of range')
|
|
}
|
|
|
|
function writeFloat (buf, value, offset, littleEndian, noAssert) {
|
|
if (!noAssert) {
|
|
checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
|
|
}
|
|
ieee754.write(buf, value, offset, littleEndian, 23, 4)
|
|
return offset + 4
|
|
}
|
|
|
|
Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
|
|
return writeFloat(this, value, offset, true, noAssert)
|
|
}
|
|
|
|
Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
|
|
return writeFloat(this, value, offset, false, noAssert)
|
|
}
|
|
|
|
function writeDouble (buf, value, offset, littleEndian, noAssert) {
|
|
if (!noAssert) {
|
|
checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
|
|
}
|
|
ieee754.write(buf, value, offset, littleEndian, 52, 8)
|
|
return offset + 8
|
|
}
|
|
|
|
Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
|
|
return writeDouble(this, value, offset, true, noAssert)
|
|
}
|
|
|
|
Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
|
|
return writeDouble(this, value, offset, false, noAssert)
|
|
}
|
|
|
|
// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
|
|
Buffer.prototype.copy = function copy (target, targetStart, start, end) {
|
|
if (!start) start = 0
|
|
if (!end && end !== 0) end = this.length
|
|
if (targetStart >= target.length) targetStart = target.length
|
|
if (!targetStart) targetStart = 0
|
|
if (end > 0 && end < start) end = start
|
|
|
|
// Copy 0 bytes; we're done
|
|
if (end === start) return 0
|
|
if (target.length === 0 || this.length === 0) return 0
|
|
|
|
// Fatal error conditions
|
|
if (targetStart < 0) {
|
|
throw new RangeError('targetStart out of bounds')
|
|
}
|
|
if (start < 0 || start >= this.length) throw new RangeError('sourceStart out of bounds')
|
|
if (end < 0) throw new RangeError('sourceEnd out of bounds')
|
|
|
|
// Are we oob?
|
|
if (end > this.length) end = this.length
|
|
if (target.length - targetStart < end - start) {
|
|
end = target.length - targetStart + start
|
|
}
|
|
|
|
var len = end - start
|
|
var i
|
|
|
|
if (this === target && start < targetStart && targetStart < end) {
|
|
// descending copy from end
|
|
for (i = len - 1; i >= 0; --i) {
|
|
target[i + targetStart] = this[i + start]
|
|
}
|
|
} else if (len < 1000 || !Buffer.TYPED_ARRAY_SUPPORT) {
|
|
// ascending copy from start
|
|
for (i = 0; i < len; ++i) {
|
|
target[i + targetStart] = this[i + start]
|
|
}
|
|
} else {
|
|
Uint8Array.prototype.set.call(
|
|
target,
|
|
this.subarray(start, start + len),
|
|
targetStart
|
|
)
|
|
}
|
|
|
|
return len
|
|
}
|
|
|
|
// Usage:
|
|
// buffer.fill(number[, offset[, end]])
|
|
// buffer.fill(buffer[, offset[, end]])
|
|
// buffer.fill(string[, offset[, end]][, encoding])
|
|
Buffer.prototype.fill = function fill (val, start, end, encoding) {
|
|
// Handle string cases:
|
|
if (typeof val === 'string') {
|
|
if (typeof start === 'string') {
|
|
encoding = start
|
|
start = 0
|
|
end = this.length
|
|
} else if (typeof end === 'string') {
|
|
encoding = end
|
|
end = this.length
|
|
}
|
|
if (val.length === 1) {
|
|
var code = val.charCodeAt(0)
|
|
if (code < 256) {
|
|
val = code
|
|
}
|
|
}
|
|
if (encoding !== undefined && typeof encoding !== 'string') {
|
|
throw new TypeError('encoding must be a string')
|
|
}
|
|
if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
|
|
throw new TypeError('Unknown encoding: ' + encoding)
|
|
}
|
|
} else if (typeof val === 'number') {
|
|
val = val & 255
|
|
}
|
|
|
|
// Invalid ranges are not set to a default, so can range check early.
|
|
if (start < 0 || this.length < start || this.length < end) {
|
|
throw new RangeError('Out of range index')
|
|
}
|
|
|
|
if (end <= start) {
|
|
return this
|
|
}
|
|
|
|
start = start >>> 0
|
|
end = end === undefined ? this.length : end >>> 0
|
|
|
|
if (!val) val = 0
|
|
|
|
var i
|
|
if (typeof val === 'number') {
|
|
for (i = start; i < end; ++i) {
|
|
this[i] = val
|
|
}
|
|
} else {
|
|
var bytes = Buffer.isBuffer(val)
|
|
? val
|
|
: utf8ToBytes(new Buffer(val, encoding).toString())
|
|
var len = bytes.length
|
|
for (i = 0; i < end - start; ++i) {
|
|
this[i + start] = bytes[i % len]
|
|
}
|
|
}
|
|
|
|
return this
|
|
}
|
|
|
|
// HELPER FUNCTIONS
|
|
// ================
|
|
|
|
var INVALID_BASE64_RE = /[^+\/0-9A-Za-z-_]/g
|
|
|
|
function base64clean (str) {
|
|
// Node strips out invalid characters like \n and \t from the string, base64-js does not
|
|
str = stringtrim(str).replace(INVALID_BASE64_RE, '')
|
|
// Node converts strings with length < 2 to ''
|
|
if (str.length < 2) return ''
|
|
// Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
|
|
while (str.length % 4 !== 0) {
|
|
str = str + '='
|
|
}
|
|
return str
|
|
}
|
|
|
|
function stringtrim (str) {
|
|
if (str.trim) return str.trim()
|
|
return str.replace(/^\s+|\s+$/g, '')
|
|
}
|
|
|
|
function toHex (n) {
|
|
if (n < 16) return '0' + n.toString(16)
|
|
return n.toString(16)
|
|
}
|
|
|
|
function utf8ToBytes (string, units) {
|
|
units = units || Infinity
|
|
var codePoint
|
|
var length = string.length
|
|
var leadSurrogate = null
|
|
var bytes = []
|
|
|
|
for (var i = 0; i < length; ++i) {
|
|
codePoint = string.charCodeAt(i)
|
|
|
|
// is surrogate component
|
|
if (codePoint > 0xD7FF && codePoint < 0xE000) {
|
|
// last char was a lead
|
|
if (!leadSurrogate) {
|
|
// no lead yet
|
|
if (codePoint > 0xDBFF) {
|
|
// unexpected trail
|
|
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
|
|
continue
|
|
} else if (i + 1 === length) {
|
|
// unpaired lead
|
|
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
|
|
continue
|
|
}
|
|
|
|
// valid lead
|
|
leadSurrogate = codePoint
|
|
|
|
continue
|
|
}
|
|
|
|
// 2 leads in a row
|
|
if (codePoint < 0xDC00) {
|
|
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
|
|
leadSurrogate = codePoint
|
|
continue
|
|
}
|
|
|
|
// valid surrogate pair
|
|
codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
|
|
} else if (leadSurrogate) {
|
|
// valid bmp char, but last char was a lead
|
|
if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
|
|
}
|
|
|
|
leadSurrogate = null
|
|
|
|
// encode utf8
|
|
if (codePoint < 0x80) {
|
|
if ((units -= 1) < 0) break
|
|
bytes.push(codePoint)
|
|
} else if (codePoint < 0x800) {
|
|
if ((units -= 2) < 0) break
|
|
bytes.push(
|
|
codePoint >> 0x6 | 0xC0,
|
|
codePoint & 0x3F | 0x80
|
|
)
|
|
} else if (codePoint < 0x10000) {
|
|
if ((units -= 3) < 0) break
|
|
bytes.push(
|
|
codePoint >> 0xC | 0xE0,
|
|
codePoint >> 0x6 & 0x3F | 0x80,
|
|
codePoint & 0x3F | 0x80
|
|
)
|
|
} else if (codePoint < 0x110000) {
|
|
if ((units -= 4) < 0) break
|
|
bytes.push(
|
|
codePoint >> 0x12 | 0xF0,
|
|
codePoint >> 0xC & 0x3F | 0x80,
|
|
codePoint >> 0x6 & 0x3F | 0x80,
|
|
codePoint & 0x3F | 0x80
|
|
)
|
|
} else {
|
|
throw new Error('Invalid code point')
|
|
}
|
|
}
|
|
|
|
return bytes
|
|
}
|
|
|
|
function asciiToBytes (str) {
|
|
var byteArray = []
|
|
for (var i = 0; i < str.length; ++i) {
|
|
// Node's code seems to be doing this and not & 0x7F..
|
|
byteArray.push(str.charCodeAt(i) & 0xFF)
|
|
}
|
|
return byteArray
|
|
}
|
|
|
|
function utf16leToBytes (str, units) {
|
|
var c, hi, lo
|
|
var byteArray = []
|
|
for (var i = 0; i < str.length; ++i) {
|
|
if ((units -= 2) < 0) break
|
|
|
|
c = str.charCodeAt(i)
|
|
hi = c >> 8
|
|
lo = c % 256
|
|
byteArray.push(lo)
|
|
byteArray.push(hi)
|
|
}
|
|
|
|
return byteArray
|
|
}
|
|
|
|
function base64ToBytes (str) {
|
|
return base64.toByteArray(base64clean(str))
|
|
}
|
|
|
|
function blitBuffer (src, dst, offset, length) {
|
|
for (var i = 0; i < length; ++i) {
|
|
if ((i + offset >= dst.length) || (i >= src.length)) break
|
|
dst[i + offset] = src[i]
|
|
}
|
|
return i
|
|
}
|
|
|
|
function isnan (val) {
|
|
return val !== val // eslint-disable-line no-self-compare
|
|
}
|
|
|
|
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"base64-js":34,"ieee754":35,"isarray":36}],34:[function(require,module,exports){
|
|
'use strict'
|
|
|
|
exports.toByteArray = toByteArray
|
|
exports.fromByteArray = fromByteArray
|
|
|
|
var lookup = []
|
|
var revLookup = []
|
|
var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
|
|
|
|
function init () {
|
|
var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
|
|
for (var i = 0, len = code.length; i < len; ++i) {
|
|
lookup[i] = code[i]
|
|
revLookup[code.charCodeAt(i)] = i
|
|
}
|
|
|
|
revLookup['-'.charCodeAt(0)] = 62
|
|
revLookup['_'.charCodeAt(0)] = 63
|
|
}
|
|
|
|
init()
|
|
|
|
function toByteArray (b64) {
|
|
var i, j, l, tmp, placeHolders, arr
|
|
var len = b64.length
|
|
|
|
if (len % 4 > 0) {
|
|
throw new Error('Invalid string. Length must be a multiple of 4')
|
|
}
|
|
|
|
// the number of equal signs (place holders)
|
|
// if there are two placeholders, than the two characters before it
|
|
// represent one byte
|
|
// if there is only one, then the three characters before it represent 2 bytes
|
|
// this is just a cheap hack to not do indexOf twice
|
|
placeHolders = b64[len - 2] === '=' ? 2 : b64[len - 1] === '=' ? 1 : 0
|
|
|
|
// base64 is 4/3 + up to two characters of the original data
|
|
arr = new Arr(len * 3 / 4 - placeHolders)
|
|
|
|
// if there are placeholders, only get up to the last complete 4 chars
|
|
l = placeHolders > 0 ? len - 4 : len
|
|
|
|
var L = 0
|
|
|
|
for (i = 0, j = 0; i < l; i += 4, j += 3) {
|
|
tmp = (revLookup[b64.charCodeAt(i)] << 18) | (revLookup[b64.charCodeAt(i + 1)] << 12) | (revLookup[b64.charCodeAt(i + 2)] << 6) | revLookup[b64.charCodeAt(i + 3)]
|
|
arr[L++] = (tmp >> 16) & 0xFF
|
|
arr[L++] = (tmp >> 8) & 0xFF
|
|
arr[L++] = tmp & 0xFF
|
|
}
|
|
|
|
if (placeHolders === 2) {
|
|
tmp = (revLookup[b64.charCodeAt(i)] << 2) | (revLookup[b64.charCodeAt(i + 1)] >> 4)
|
|
arr[L++] = tmp & 0xFF
|
|
} else if (placeHolders === 1) {
|
|
tmp = (revLookup[b64.charCodeAt(i)] << 10) | (revLookup[b64.charCodeAt(i + 1)] << 4) | (revLookup[b64.charCodeAt(i + 2)] >> 2)
|
|
arr[L++] = (tmp >> 8) & 0xFF
|
|
arr[L++] = tmp & 0xFF
|
|
}
|
|
|
|
return arr
|
|
}
|
|
|
|
function tripletToBase64 (num) {
|
|
return lookup[num >> 18 & 0x3F] + lookup[num >> 12 & 0x3F] + lookup[num >> 6 & 0x3F] + lookup[num & 0x3F]
|
|
}
|
|
|
|
function encodeChunk (uint8, start, end) {
|
|
var tmp
|
|
var output = []
|
|
for (var i = start; i < end; i += 3) {
|
|
tmp = (uint8[i] << 16) + (uint8[i + 1] << 8) + (uint8[i + 2])
|
|
output.push(tripletToBase64(tmp))
|
|
}
|
|
return output.join('')
|
|
}
|
|
|
|
function fromByteArray (uint8) {
|
|
var tmp
|
|
var len = uint8.length
|
|
var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
|
|
var output = ''
|
|
var parts = []
|
|
var maxChunkLength = 16383 // must be multiple of 3
|
|
|
|
// go through the array every three bytes, we'll deal with trailing stuff later
|
|
for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
|
|
parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
|
|
}
|
|
|
|
// pad the end with zeros, but make sure to not forget the extra bytes
|
|
if (extraBytes === 1) {
|
|
tmp = uint8[len - 1]
|
|
output += lookup[tmp >> 2]
|
|
output += lookup[(tmp << 4) & 0x3F]
|
|
output += '=='
|
|
} else if (extraBytes === 2) {
|
|
tmp = (uint8[len - 2] << 8) + (uint8[len - 1])
|
|
output += lookup[tmp >> 10]
|
|
output += lookup[(tmp >> 4) & 0x3F]
|
|
output += lookup[(tmp << 2) & 0x3F]
|
|
output += '='
|
|
}
|
|
|
|
parts.push(output)
|
|
|
|
return parts.join('')
|
|
}
|
|
|
|
},{}],35:[function(require,module,exports){
|
|
exports.read = function (buffer, offset, isLE, mLen, nBytes) {
|
|
var e, m
|
|
var eLen = nBytes * 8 - mLen - 1
|
|
var eMax = (1 << eLen) - 1
|
|
var eBias = eMax >> 1
|
|
var nBits = -7
|
|
var i = isLE ? (nBytes - 1) : 0
|
|
var d = isLE ? -1 : 1
|
|
var s = buffer[offset + i]
|
|
|
|
i += d
|
|
|
|
e = s & ((1 << (-nBits)) - 1)
|
|
s >>= (-nBits)
|
|
nBits += eLen
|
|
for (; nBits > 0; e = e * 256 + buffer[offset + i], i += d, nBits -= 8) {}
|
|
|
|
m = e & ((1 << (-nBits)) - 1)
|
|
e >>= (-nBits)
|
|
nBits += mLen
|
|
for (; nBits > 0; m = m * 256 + buffer[offset + i], i += d, nBits -= 8) {}
|
|
|
|
if (e === 0) {
|
|
e = 1 - eBias
|
|
} else if (e === eMax) {
|
|
return m ? NaN : ((s ? -1 : 1) * Infinity)
|
|
} else {
|
|
m = m + Math.pow(2, mLen)
|
|
e = e - eBias
|
|
}
|
|
return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
|
|
}
|
|
|
|
exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
|
|
var e, m, c
|
|
var eLen = nBytes * 8 - mLen - 1
|
|
var eMax = (1 << eLen) - 1
|
|
var eBias = eMax >> 1
|
|
var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
|
|
var i = isLE ? 0 : (nBytes - 1)
|
|
var d = isLE ? 1 : -1
|
|
var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
|
|
|
|
value = Math.abs(value)
|
|
|
|
if (isNaN(value) || value === Infinity) {
|
|
m = isNaN(value) ? 1 : 0
|
|
e = eMax
|
|
} else {
|
|
e = Math.floor(Math.log(value) / Math.LN2)
|
|
if (value * (c = Math.pow(2, -e)) < 1) {
|
|
e--
|
|
c *= 2
|
|
}
|
|
if (e + eBias >= 1) {
|
|
value += rt / c
|
|
} else {
|
|
value += rt * Math.pow(2, 1 - eBias)
|
|
}
|
|
if (value * c >= 2) {
|
|
e++
|
|
c /= 2
|
|
}
|
|
|
|
if (e + eBias >= eMax) {
|
|
m = 0
|
|
e = eMax
|
|
} else if (e + eBias >= 1) {
|
|
m = (value * c - 1) * Math.pow(2, mLen)
|
|
e = e + eBias
|
|
} else {
|
|
m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
|
|
e = 0
|
|
}
|
|
}
|
|
|
|
for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
|
|
|
|
e = (e << mLen) | m
|
|
eLen += mLen
|
|
for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
|
|
|
|
buffer[offset + i - d] |= s * 128
|
|
}
|
|
|
|
},{}],36:[function(require,module,exports){
|
|
var toString = {}.toString;
|
|
|
|
module.exports = Array.isArray || function (arr) {
|
|
return toString.call(arr) == '[object Array]';
|
|
};
|
|
|
|
},{}],37:[function(require,module,exports){
|
|
arguments[4][30][0].apply(exports,arguments)
|
|
},{"dup":30}],38:[function(require,module,exports){
|
|
// shim for using process in browser
|
|
|
|
var process = module.exports = {};
|
|
|
|
// cached from whatever global is present so that test runners that stub it
|
|
// don't break things. But we need to wrap it in a try catch in case it is
|
|
// wrapped in strict mode code which doesn't define any globals. It's inside a
|
|
// function because try/catches deoptimize in certain engines.
|
|
|
|
var cachedSetTimeout;
|
|
var cachedClearTimeout;
|
|
|
|
(function () {
|
|
try {
|
|
cachedSetTimeout = setTimeout;
|
|
} catch (e) {
|
|
cachedSetTimeout = function () {
|
|
throw new Error('setTimeout is not defined');
|
|
}
|
|
}
|
|
try {
|
|
cachedClearTimeout = clearTimeout;
|
|
} catch (e) {
|
|
cachedClearTimeout = function () {
|
|
throw new Error('clearTimeout is not defined');
|
|
}
|
|
}
|
|
} ())
|
|
var queue = [];
|
|
var draining = false;
|
|
var currentQueue;
|
|
var queueIndex = -1;
|
|
|
|
function cleanUpNextTick() {
|
|
if (!draining || !currentQueue) {
|
|
return;
|
|
}
|
|
draining = false;
|
|
if (currentQueue.length) {
|
|
queue = currentQueue.concat(queue);
|
|
} else {
|
|
queueIndex = -1;
|
|
}
|
|
if (queue.length) {
|
|
drainQueue();
|
|
}
|
|
}
|
|
|
|
function drainQueue() {
|
|
if (draining) {
|
|
return;
|
|
}
|
|
var timeout = cachedSetTimeout(cleanUpNextTick);
|
|
draining = true;
|
|
|
|
var len = queue.length;
|
|
while(len) {
|
|
currentQueue = queue;
|
|
queue = [];
|
|
while (++queueIndex < len) {
|
|
if (currentQueue) {
|
|
currentQueue[queueIndex].run();
|
|
}
|
|
}
|
|
queueIndex = -1;
|
|
len = queue.length;
|
|
}
|
|
currentQueue = null;
|
|
draining = false;
|
|
cachedClearTimeout(timeout);
|
|
}
|
|
|
|
process.nextTick = function (fun) {
|
|
var args = new Array(arguments.length - 1);
|
|
if (arguments.length > 1) {
|
|
for (var i = 1; i < arguments.length; i++) {
|
|
args[i - 1] = arguments[i];
|
|
}
|
|
}
|
|
queue.push(new Item(fun, args));
|
|
if (queue.length === 1 && !draining) {
|
|
cachedSetTimeout(drainQueue, 0);
|
|
}
|
|
};
|
|
|
|
// v8 likes predictible objects
|
|
function Item(fun, array) {
|
|
this.fun = fun;
|
|
this.array = array;
|
|
}
|
|
Item.prototype.run = function () {
|
|
this.fun.apply(null, this.array);
|
|
};
|
|
process.title = 'browser';
|
|
process.browser = true;
|
|
process.env = {};
|
|
process.argv = [];
|
|
process.version = ''; // empty string to avoid regexp issues
|
|
process.versions = {};
|
|
|
|
function noop() {}
|
|
|
|
process.on = noop;
|
|
process.addListener = noop;
|
|
process.once = noop;
|
|
process.off = noop;
|
|
process.removeListener = noop;
|
|
process.removeAllListeners = noop;
|
|
process.emit = noop;
|
|
|
|
process.binding = function (name) {
|
|
throw new Error('process.binding is not supported');
|
|
};
|
|
|
|
process.cwd = function () { return '/' };
|
|
process.chdir = function (dir) {
|
|
throw new Error('process.chdir is not supported');
|
|
};
|
|
process.umask = function() { return 0; };
|
|
|
|
},{}],39:[function(require,module,exports){
|
|
module.exports = function isBuffer(arg) {
|
|
return arg && typeof arg === 'object'
|
|
&& typeof arg.copy === 'function'
|
|
&& typeof arg.fill === 'function'
|
|
&& typeof arg.readUInt8 === 'function';
|
|
}
|
|
},{}],40:[function(require,module,exports){
|
|
(function (process,global){
|
|
// Copyright Joyent, Inc. and other Node contributors.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the
|
|
// "Software"), to deal in the Software without restriction, including
|
|
// without limitation the rights to use, copy, modify, merge, publish,
|
|
// distribute, sublicense, and/or sell copies of the Software, and to permit
|
|
// persons to whom the Software is furnished to do so, subject to the
|
|
// following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included
|
|
// in all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
|
|
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
|
|
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
|
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
|
|
// USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
|
|
var formatRegExp = /%[sdj%]/g;
|
|
exports.format = function(f) {
|
|
if (!isString(f)) {
|
|
var objects = [];
|
|
for (var i = 0; i < arguments.length; i++) {
|
|
objects.push(inspect(arguments[i]));
|
|
}
|
|
return objects.join(' ');
|
|
}
|
|
|
|
var i = 1;
|
|
var args = arguments;
|
|
var len = args.length;
|
|
var str = String(f).replace(formatRegExp, function(x) {
|
|
if (x === '%%') return '%';
|
|
if (i >= len) return x;
|
|
switch (x) {
|
|
case '%s': return String(args[i++]);
|
|
case '%d': return Number(args[i++]);
|
|
case '%j':
|
|
try {
|
|
return JSON.stringify(args[i++]);
|
|
} catch (_) {
|
|
return '[Circular]';
|
|
}
|
|
default:
|
|
return x;
|
|
}
|
|
});
|
|
for (var x = args[i]; i < len; x = args[++i]) {
|
|
if (isNull(x) || !isObject(x)) {
|
|
str += ' ' + x;
|
|
} else {
|
|
str += ' ' + inspect(x);
|
|
}
|
|
}
|
|
return str;
|
|
};
|
|
|
|
|
|
// Mark that a method should not be used.
|
|
// Returns a modified function which warns once by default.
|
|
// If --no-deprecation is set, then it is a no-op.
|
|
exports.deprecate = function(fn, msg) {
|
|
// Allow for deprecating things in the process of starting up.
|
|
if (isUndefined(global.process)) {
|
|
return function() {
|
|
return exports.deprecate(fn, msg).apply(this, arguments);
|
|
};
|
|
}
|
|
|
|
if (process.noDeprecation === true) {
|
|
return fn;
|
|
}
|
|
|
|
var warned = false;
|
|
function deprecated() {
|
|
if (!warned) {
|
|
if (process.throwDeprecation) {
|
|
throw new Error(msg);
|
|
} else if (process.traceDeprecation) {
|
|
console.trace(msg);
|
|
} else {
|
|
console.error(msg);
|
|
}
|
|
warned = true;
|
|
}
|
|
return fn.apply(this, arguments);
|
|
}
|
|
|
|
return deprecated;
|
|
};
|
|
|
|
|
|
var debugs = {};
|
|
var debugEnviron;
|
|
exports.debuglog = function(set) {
|
|
if (isUndefined(debugEnviron))
|
|
debugEnviron = process.env.NODE_DEBUG || '';
|
|
set = set.toUpperCase();
|
|
if (!debugs[set]) {
|
|
if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
|
|
var pid = process.pid;
|
|
debugs[set] = function() {
|
|
var msg = exports.format.apply(exports, arguments);
|
|
console.error('%s %d: %s', set, pid, msg);
|
|
};
|
|
} else {
|
|
debugs[set] = function() {};
|
|
}
|
|
}
|
|
return debugs[set];
|
|
};
|
|
|
|
|
|
/**
|
|
* Echos the value of a value. Trys to print the value out
|
|
* in the best way possible given the different types.
|
|
*
|
|
* @param {Object} obj The object to print out.
|
|
* @param {Object} opts Optional options object that alters the output.
|
|
*/
|
|
/* legacy: obj, showHidden, depth, colors*/
|
|
function inspect(obj, opts) {
|
|
// default options
|
|
var ctx = {
|
|
seen: [],
|
|
stylize: stylizeNoColor
|
|
};
|
|
// legacy...
|
|
if (arguments.length >= 3) ctx.depth = arguments[2];
|
|
if (arguments.length >= 4) ctx.colors = arguments[3];
|
|
if (isBoolean(opts)) {
|
|
// legacy...
|
|
ctx.showHidden = opts;
|
|
} else if (opts) {
|
|
// got an "options" object
|
|
exports._extend(ctx, opts);
|
|
}
|
|
// set default options
|
|
if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
|
|
if (isUndefined(ctx.depth)) ctx.depth = 2;
|
|
if (isUndefined(ctx.colors)) ctx.colors = false;
|
|
if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
|
|
if (ctx.colors) ctx.stylize = stylizeWithColor;
|
|
return formatValue(ctx, obj, ctx.depth);
|
|
}
|
|
exports.inspect = inspect;
|
|
|
|
|
|
// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
|
|
inspect.colors = {
|
|
'bold' : [1, 22],
|
|
'italic' : [3, 23],
|
|
'underline' : [4, 24],
|
|
'inverse' : [7, 27],
|
|
'white' : [37, 39],
|
|
'grey' : [90, 39],
|
|
'black' : [30, 39],
|
|
'blue' : [34, 39],
|
|
'cyan' : [36, 39],
|
|
'green' : [32, 39],
|
|
'magenta' : [35, 39],
|
|
'red' : [31, 39],
|
|
'yellow' : [33, 39]
|
|
};
|
|
|
|
// Don't use 'blue' not visible on cmd.exe
|
|
inspect.styles = {
|
|
'special': 'cyan',
|
|
'number': 'yellow',
|
|
'boolean': 'yellow',
|
|
'undefined': 'grey',
|
|
'null': 'bold',
|
|
'string': 'green',
|
|
'date': 'magenta',
|
|
// "name": intentionally not styling
|
|
'regexp': 'red'
|
|
};
|
|
|
|
|
|
function stylizeWithColor(str, styleType) {
|
|
var style = inspect.styles[styleType];
|
|
|
|
if (style) {
|
|
return '\u001b[' + inspect.colors[style][0] + 'm' + str +
|
|
'\u001b[' + inspect.colors[style][1] + 'm';
|
|
} else {
|
|
return str;
|
|
}
|
|
}
|
|
|
|
|
|
function stylizeNoColor(str, styleType) {
|
|
return str;
|
|
}
|
|
|
|
|
|
function arrayToHash(array) {
|
|
var hash = {};
|
|
|
|
array.forEach(function(val, idx) {
|
|
hash[val] = true;
|
|
});
|
|
|
|
return hash;
|
|
}
|
|
|
|
|
|
function formatValue(ctx, value, recurseTimes) {
|
|
// Provide a hook for user-specified inspect functions.
|
|
// Check that value is an object with an inspect function on it
|
|
if (ctx.customInspect &&
|
|
value &&
|
|
isFunction(value.inspect) &&
|
|
// Filter out the util module, it's inspect function is special
|
|
value.inspect !== exports.inspect &&
|
|
// Also filter out any prototype objects using the circular check.
|
|
!(value.constructor && value.constructor.prototype === value)) {
|
|
var ret = value.inspect(recurseTimes, ctx);
|
|
if (!isString(ret)) {
|
|
ret = formatValue(ctx, ret, recurseTimes);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
// Primitive types cannot have properties
|
|
var primitive = formatPrimitive(ctx, value);
|
|
if (primitive) {
|
|
return primitive;
|
|
}
|
|
|
|
// Look up the keys of the object.
|
|
var keys = Object.keys(value);
|
|
var visibleKeys = arrayToHash(keys);
|
|
|
|
if (ctx.showHidden) {
|
|
keys = Object.getOwnPropertyNames(value);
|
|
}
|
|
|
|
// IE doesn't make error fields non-enumerable
|
|
// http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
|
|
if (isError(value)
|
|
&& (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
|
|
return formatError(value);
|
|
}
|
|
|
|
// Some type of object without properties can be shortcutted.
|
|
if (keys.length === 0) {
|
|
if (isFunction(value)) {
|
|
var name = value.name ? ': ' + value.name : '';
|
|
return ctx.stylize('[Function' + name + ']', 'special');
|
|
}
|
|
if (isRegExp(value)) {
|
|
return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
|
|
}
|
|
if (isDate(value)) {
|
|
return ctx.stylize(Date.prototype.toString.call(value), 'date');
|
|
}
|
|
if (isError(value)) {
|
|
return formatError(value);
|
|
}
|
|
}
|
|
|
|
var base = '', array = false, braces = ['{', '}'];
|
|
|
|
// Make Array say that they are Array
|
|
if (isArray(value)) {
|
|
array = true;
|
|
braces = ['[', ']'];
|
|
}
|
|
|
|
// Make functions say that they are functions
|
|
if (isFunction(value)) {
|
|
var n = value.name ? ': ' + value.name : '';
|
|
base = ' [Function' + n + ']';
|
|
}
|
|
|
|
// Make RegExps say that they are RegExps
|
|
if (isRegExp(value)) {
|
|
base = ' ' + RegExp.prototype.toString.call(value);
|
|
}
|
|
|
|
// Make dates with properties first say the date
|
|
if (isDate(value)) {
|
|
base = ' ' + Date.prototype.toUTCString.call(value);
|
|
}
|
|
|
|
// Make error with message first say the error
|
|
if (isError(value)) {
|
|
base = ' ' + formatError(value);
|
|
}
|
|
|
|
if (keys.length === 0 && (!array || value.length == 0)) {
|
|
return braces[0] + base + braces[1];
|
|
}
|
|
|
|
if (recurseTimes < 0) {
|
|
if (isRegExp(value)) {
|
|
return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
|
|
} else {
|
|
return ctx.stylize('[Object]', 'special');
|
|
}
|
|
}
|
|
|
|
ctx.seen.push(value);
|
|
|
|
var output;
|
|
if (array) {
|
|
output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
|
|
} else {
|
|
output = keys.map(function(key) {
|
|
return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
|
|
});
|
|
}
|
|
|
|
ctx.seen.pop();
|
|
|
|
return reduceToSingleString(output, base, braces);
|
|
}
|
|
|
|
|
|
function formatPrimitive(ctx, value) {
|
|
if (isUndefined(value))
|
|
return ctx.stylize('undefined', 'undefined');
|
|
if (isString(value)) {
|
|
var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
|
|
.replace(/'/g, "\\'")
|
|
.replace(/\\"/g, '"') + '\'';
|
|
return ctx.stylize(simple, 'string');
|
|
}
|
|
if (isNumber(value))
|
|
return ctx.stylize('' + value, 'number');
|
|
if (isBoolean(value))
|
|
return ctx.stylize('' + value, 'boolean');
|
|
// For some reason typeof null is "object", so special case here.
|
|
if (isNull(value))
|
|
return ctx.stylize('null', 'null');
|
|
}
|
|
|
|
|
|
function formatError(value) {
|
|
return '[' + Error.prototype.toString.call(value) + ']';
|
|
}
|
|
|
|
|
|
function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
|
|
var output = [];
|
|
for (var i = 0, l = value.length; i < l; ++i) {
|
|
if (hasOwnProperty(value, String(i))) {
|
|
output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
|
|
String(i), true));
|
|
} else {
|
|
output.push('');
|
|
}
|
|
}
|
|
keys.forEach(function(key) {
|
|
if (!key.match(/^\d+$/)) {
|
|
output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
|
|
key, true));
|
|
}
|
|
});
|
|
return output;
|
|
}
|
|
|
|
|
|
function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
|
|
var name, str, desc;
|
|
desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
|
|
if (desc.get) {
|
|
if (desc.set) {
|
|
str = ctx.stylize('[Getter/Setter]', 'special');
|
|
} else {
|
|
str = ctx.stylize('[Getter]', 'special');
|
|
}
|
|
} else {
|
|
if (desc.set) {
|
|
str = ctx.stylize('[Setter]', 'special');
|
|
}
|
|
}
|
|
if (!hasOwnProperty(visibleKeys, key)) {
|
|
name = '[' + key + ']';
|
|
}
|
|
if (!str) {
|
|
if (ctx.seen.indexOf(desc.value) < 0) {
|
|
if (isNull(recurseTimes)) {
|
|
str = formatValue(ctx, desc.value, null);
|
|
} else {
|
|
str = formatValue(ctx, desc.value, recurseTimes - 1);
|
|
}
|
|
if (str.indexOf('\n') > -1) {
|
|
if (array) {
|
|
str = str.split('\n').map(function(line) {
|
|
return ' ' + line;
|
|
}).join('\n').substr(2);
|
|
} else {
|
|
str = '\n' + str.split('\n').map(function(line) {
|
|
return ' ' + line;
|
|
}).join('\n');
|
|
}
|
|
}
|
|
} else {
|
|
str = ctx.stylize('[Circular]', 'special');
|
|
}
|
|
}
|
|
if (isUndefined(name)) {
|
|
if (array && key.match(/^\d+$/)) {
|
|
return str;
|
|
}
|
|
name = JSON.stringify('' + key);
|
|
if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
|
|
name = name.substr(1, name.length - 2);
|
|
name = ctx.stylize(name, 'name');
|
|
} else {
|
|
name = name.replace(/'/g, "\\'")
|
|
.replace(/\\"/g, '"')
|
|
.replace(/(^"|"$)/g, "'");
|
|
name = ctx.stylize(name, 'string');
|
|
}
|
|
}
|
|
|
|
return name + ': ' + str;
|
|
}
|
|
|
|
|
|
function reduceToSingleString(output, base, braces) {
|
|
var numLinesEst = 0;
|
|
var length = output.reduce(function(prev, cur) {
|
|
numLinesEst++;
|
|
if (cur.indexOf('\n') >= 0) numLinesEst++;
|
|
return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
|
|
}, 0);
|
|
|
|
if (length > 60) {
|
|
return braces[0] +
|
|
(base === '' ? '' : base + '\n ') +
|
|
' ' +
|
|
output.join(',\n ') +
|
|
' ' +
|
|
braces[1];
|
|
}
|
|
|
|
return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
|
|
}
|
|
|
|
|
|
// NOTE: These type checking functions intentionally don't use `instanceof`
|
|
// because it is fragile and can be easily faked with `Object.create()`.
|
|
function isArray(ar) {
|
|
return Array.isArray(ar);
|
|
}
|
|
exports.isArray = isArray;
|
|
|
|
function isBoolean(arg) {
|
|
return typeof arg === 'boolean';
|
|
}
|
|
exports.isBoolean = isBoolean;
|
|
|
|
function isNull(arg) {
|
|
return arg === null;
|
|
}
|
|
exports.isNull = isNull;
|
|
|
|
function isNullOrUndefined(arg) {
|
|
return arg == null;
|
|
}
|
|
exports.isNullOrUndefined = isNullOrUndefined;
|
|
|
|
function isNumber(arg) {
|
|
return typeof arg === 'number';
|
|
}
|
|
exports.isNumber = isNumber;
|
|
|
|
function isString(arg) {
|
|
return typeof arg === 'string';
|
|
}
|
|
exports.isString = isString;
|
|
|
|
function isSymbol(arg) {
|
|
return typeof arg === 'symbol';
|
|
}
|
|
exports.isSymbol = isSymbol;
|
|
|
|
function isUndefined(arg) {
|
|
return arg === void 0;
|
|
}
|
|
exports.isUndefined = isUndefined;
|
|
|
|
function isRegExp(re) {
|
|
return isObject(re) && objectToString(re) === '[object RegExp]';
|
|
}
|
|
exports.isRegExp = isRegExp;
|
|
|
|
function isObject(arg) {
|
|
return typeof arg === 'object' && arg !== null;
|
|
}
|
|
exports.isObject = isObject;
|
|
|
|
function isDate(d) {
|
|
return isObject(d) && objectToString(d) === '[object Date]';
|
|
}
|
|
exports.isDate = isDate;
|
|
|
|
function isError(e) {
|
|
return isObject(e) &&
|
|
(objectToString(e) === '[object Error]' || e instanceof Error);
|
|
}
|
|
exports.isError = isError;
|
|
|
|
function isFunction(arg) {
|
|
return typeof arg === 'function';
|
|
}
|
|
exports.isFunction = isFunction;
|
|
|
|
function isPrimitive(arg) {
|
|
return arg === null ||
|
|
typeof arg === 'boolean' ||
|
|
typeof arg === 'number' ||
|
|
typeof arg === 'string' ||
|
|
typeof arg === 'symbol' || // ES6 symbol
|
|
typeof arg === 'undefined';
|
|
}
|
|
exports.isPrimitive = isPrimitive;
|
|
|
|
exports.isBuffer = require('./support/isBuffer');
|
|
|
|
function objectToString(o) {
|
|
return Object.prototype.toString.call(o);
|
|
}
|
|
|
|
|
|
function pad(n) {
|
|
return n < 10 ? '0' + n.toString(10) : n.toString(10);
|
|
}
|
|
|
|
|
|
var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
|
|
'Oct', 'Nov', 'Dec'];
|
|
|
|
// 26 Feb 16:19:34
|
|
function timestamp() {
|
|
var d = new Date();
|
|
var time = [pad(d.getHours()),
|
|
pad(d.getMinutes()),
|
|
pad(d.getSeconds())].join(':');
|
|
return [d.getDate(), months[d.getMonth()], time].join(' ');
|
|
}
|
|
|
|
|
|
// log is just a thin wrapper to console.log that prepends a timestamp
|
|
exports.log = function() {
|
|
console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
|
|
};
|
|
|
|
|
|
/**
|
|
* Inherit the prototype methods from one constructor into another.
|
|
*
|
|
* The Function.prototype.inherits from lang.js rewritten as a standalone
|
|
* function (not on Function.prototype). NOTE: If this file is to be loaded
|
|
* during bootstrapping this function needs to be rewritten using some native
|
|
* functions as prototype setup using normal JavaScript does not work as
|
|
* expected during bootstrapping (see mirror.js in r114903).
|
|
*
|
|
* @param {function} ctor Constructor function which needs to inherit the
|
|
* prototype.
|
|
* @param {function} superCtor Constructor function to inherit prototype from.
|
|
*/
|
|
exports.inherits = require('inherits');
|
|
|
|
exports._extend = function(origin, add) {
|
|
// Don't do anything if add isn't an object
|
|
if (!add || !isObject(add)) return origin;
|
|
|
|
var keys = Object.keys(add);
|
|
var i = keys.length;
|
|
while (i--) {
|
|
origin[keys[i]] = add[keys[i]];
|
|
}
|
|
return origin;
|
|
};
|
|
|
|
function hasOwnProperty(obj, prop) {
|
|
return Object.prototype.hasOwnProperty.call(obj, prop);
|
|
}
|
|
|
|
}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"./support/isBuffer":39,"_process":38,"inherits":37}],41:[function(require,module,exports){
|
|
(function (Buffer){
|
|
const assert = require('assert')
|
|
/**
|
|
* RLP Encoding based on: https://github.com/ethereum/wiki/wiki/%5BEnglish%5D-RLP
|
|
* This function takes in a data, convert it to buffer if not, and a length for recursion
|
|
*
|
|
* @param {Buffer,String,Integer,Array} data - will be converted to buffer
|
|
* @returns {Buffer} - returns buffer of encoded data
|
|
**/
|
|
exports.encode = function (input) {
|
|
if (input instanceof Array) {
|
|
var output = []
|
|
for (var i = 0; i < input.length; i++) {
|
|
output.push(exports.encode(input[i]))
|
|
}
|
|
var buf = Buffer.concat(output)
|
|
return Buffer.concat([encodeLength(buf.length, 192), buf])
|
|
} else {
|
|
input = toBuffer(input)
|
|
if (input.length === 1 && input[0] < 128) {
|
|
return input
|
|
} else {
|
|
return Buffer.concat([encodeLength(input.length, 128), input])
|
|
}
|
|
}
|
|
}
|
|
|
|
function safeParseInt (v, base) {
|
|
if (v.slice(0, 2) === '00') {
|
|
throw (new Error('invalid RLP: extra zeros'))
|
|
}
|
|
|
|
return parseInt(v, base)
|
|
}
|
|
|
|
function encodeLength (len, offset) {
|
|
if (len < 56) {
|
|
return new Buffer([len + offset])
|
|
} else {
|
|
var hexLength = intToHex(len)
|
|
var lLength = hexLength.length / 2
|
|
var firstByte = intToHex(offset + 55 + lLength)
|
|
return new Buffer(firstByte + hexLength, 'hex')
|
|
}
|
|
}
|
|
|
|
/**
|
|
* RLP Decoding based on: {@link https://github.com/ethereum/wiki/wiki/%5BEnglish%5D-RLP|RLP}
|
|
* @param {Buffer,String,Integer,Array} data - will be converted to buffer
|
|
* @returns {Array} - returns decode Array of Buffers containg the original message
|
|
**/
|
|
exports.decode = function (input, stream) {
|
|
if (!input || input.length === 0) {
|
|
return new Buffer([])
|
|
}
|
|
|
|
input = toBuffer(input)
|
|
var decoded = _decode(input)
|
|
|
|
if (stream) {
|
|
return decoded
|
|
}
|
|
|
|
assert.equal(decoded.remainder.length, 0, 'invalid remainder')
|
|
return decoded.data
|
|
}
|
|
|
|
exports.getLength = function (input) {
|
|
if (!input || input.length === 0) {
|
|
return new Buffer([])
|
|
}
|
|
|
|
input = toBuffer(input)
|
|
var firstByte = input[0]
|
|
if (firstByte <= 0x7f) {
|
|
return input.length
|
|
} else if (firstByte <= 0xb7) {
|
|
return firstByte - 0x7f
|
|
} else if (firstByte <= 0xbf) {
|
|
return firstByte - 0xb6
|
|
} else if (firstByte <= 0xf7) {
|
|
// a list between 0-55 bytes long
|
|
return firstByte - 0xbf
|
|
} else {
|
|
// a list over 55 bytes long
|
|
var llength = firstByte - 0xf6
|
|
var length = safeParseInt(input.slice(1, llength).toString('hex'), 16)
|
|
return llength + length
|
|
}
|
|
}
|
|
|
|
function _decode (input) {
|
|
var length, llength, data, innerRemainder, d
|
|
var decoded = []
|
|
var firstByte = input[0]
|
|
|
|
if (firstByte <= 0x7f) {
|
|
// a single byte whose value is in the [0x00, 0x7f] range, that byte is its own RLP encoding.
|
|
return {
|
|
data: input.slice(0, 1),
|
|
remainder: input.slice(1)
|
|
}
|
|
} else if (firstByte <= 0xb7) {
|
|
// string is 0-55 bytes long. A single byte with value 0x80 plus the length of the string followed by the string
|
|
// The range of the first byte is [0x80, 0xb7]
|
|
length = firstByte - 0x7f
|
|
|
|
// set 0x80 null to 0
|
|
if (firstByte === 0x80) {
|
|
data = new Buffer([])
|
|
} else {
|
|
data = input.slice(1, length)
|
|
}
|
|
|
|
if (length === 2 && data[0] < 0x80) {
|
|
throw new Error('invalid rlp encoding: byte must be less 0x80')
|
|
}
|
|
|
|
return {
|
|
data: data,
|
|
remainder: input.slice(length)
|
|
}
|
|
} else if (firstByte <= 0xbf) {
|
|
llength = firstByte - 0xb6
|
|
length = safeParseInt(input.slice(1, llength).toString('hex'), 16)
|
|
data = input.slice(llength, length + llength)
|
|
if (data.length < length) {
|
|
throw (new Error('invalid RLP'))
|
|
}
|
|
|
|
return {
|
|
data: data,
|
|
remainder: input.slice(length + llength)
|
|
}
|
|
} else if (firstByte <= 0xf7) {
|
|
// a list between 0-55 bytes long
|
|
length = firstByte - 0xbf
|
|
innerRemainder = input.slice(1, length)
|
|
while (innerRemainder.length) {
|
|
d = _decode(innerRemainder)
|
|
decoded.push(d.data)
|
|
innerRemainder = d.remainder
|
|
}
|
|
|
|
return {
|
|
data: decoded,
|
|
remainder: input.slice(length)
|
|
}
|
|
} else {
|
|
// a list over 55 bytes long
|
|
llength = firstByte - 0xf6
|
|
length = safeParseInt(input.slice(1, llength).toString('hex'), 16)
|
|
var totalLength = llength + length
|
|
if (totalLength > input.length) {
|
|
throw new Error('invalid rlp: total length is larger than the data')
|
|
}
|
|
|
|
innerRemainder = input.slice(llength, totalLength)
|
|
if (innerRemainder.length === 0) {
|
|
throw new Error('invalid rlp, List has a invalid length')
|
|
}
|
|
|
|
while (innerRemainder.length) {
|
|
d = _decode(innerRemainder)
|
|
decoded.push(d.data)
|
|
innerRemainder = d.remainder
|
|
}
|
|
return {
|
|
data: decoded,
|
|
remainder: input.slice(totalLength)
|
|
}
|
|
}
|
|
}
|
|
|
|
function isHexPrefixed (str) {
|
|
return str.slice(0, 2) === '0x'
|
|
}
|
|
|
|
// Removes 0x from a given String
|
|
function stripHexPrefix (str) {
|
|
if (typeof str !== 'string') {
|
|
return str
|
|
}
|
|
return isHexPrefixed(str) ? str.slice(2) : str
|
|
}
|
|
|
|
function intToHex (i) {
|
|
var hex = i.toString(16)
|
|
if (hex.length % 2) {
|
|
hex = '0' + hex
|
|
}
|
|
|
|
return hex
|
|
}
|
|
|
|
function padToEven (a) {
|
|
if (a.length % 2) a = '0' + a
|
|
return a
|
|
}
|
|
|
|
function intToBuffer (i) {
|
|
var hex = intToHex(i)
|
|
return new Buffer(hex, 'hex')
|
|
}
|
|
|
|
function toBuffer (v) {
|
|
if (!Buffer.isBuffer(v)) {
|
|
if (typeof v === 'string') {
|
|
if (isHexPrefixed(v)) {
|
|
v = new Buffer(padToEven(stripHexPrefix(v)), 'hex')
|
|
} else {
|
|
v = new Buffer(v)
|
|
}
|
|
} else if (typeof v === 'number') {
|
|
if (!v) {
|
|
v = new Buffer([])
|
|
} else {
|
|
v = intToBuffer(v)
|
|
}
|
|
} else if (v === null || v === undefined) {
|
|
v = new Buffer([])
|
|
} else if (v.toArray) {
|
|
// converts a BN to a Buffer
|
|
v = new Buffer(v.toArray())
|
|
} else {
|
|
throw new Error('invalid type')
|
|
}
|
|
}
|
|
return v
|
|
}
|
|
|
|
}).call(this,require("buffer").Buffer)
|
|
},{"assert":32,"buffer":33}]},{},[1])(1)
|
|
}); |