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index: default to randomBuffer

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This commit is contained in:
Daniel Cousens 2014-06-25 23:47:30 +10:00
parent e569aeb6d7
commit 99981a1de6
2 changed files with 6 additions and 8 deletions
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4
index.js
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@ -35,9 +35,9 @@ BIP39.prototype.entropyToMnemonic = function(entropy) {
BIP39.prototype.generateMnemonic = function(strength, rng) { BIP39.prototype.generateMnemonic = function(strength, rng) {
strength = strength || 128 strength = strength || 128
rng = rng || secureRandom rng = rng || secureRandom.randomBuffer
var hex = rng.randomBuffer(strength / 8).toString('hex') var hex = rng(strength / 8).toString('hex')
return this.entropyToMnemonic(hex) return this.entropyToMnemonic(hex)
} }

10
test/index.js
View File

@ -36,12 +36,10 @@ describe('generateMnemonic', function() {
}) })
it('allows a custom RNG to be used', function() { it('allows a custom RNG to be used', function() {
var rng = { var rng = function(size) {
randomBuffer: function(size) { var buffer = new Buffer(size)
var buffer = new Buffer(size) buffer.fill(4) // guaranteed random
buffer.fill(4) // guaranteed random return buffer
return buffer
}
} }
var mnemonic = bip39.generateMnemonic(64, rng) var mnemonic = bip39.generateMnemonic(64, rng)