mirror of https://github.com/status-im/web3.js.git
39 lines
1.2 KiB
JavaScript
39 lines
1.2 KiB
JavaScript
/*
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This file is part of web3.js.
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web3.js is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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web3.js is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with web3.js. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file sha3.js
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* @author Marek Kotewicz <marek@ethdev.com>
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* @date 2015
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*/
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var CryptoJS = require('crypto-js');
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var sha3 = require('crypto-js/sha3');
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module.exports = function (value, options) {
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if (options && options.encoding === 'hex') {
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if (value.length > 2 && value.substr(0, 2) === '0x') {
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value = value.substr(2);
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}
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value = CryptoJS.enc.Hex.parse(value);
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}
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return sha3(value, {
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outputLength: 256
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}).toString();
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};
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