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Use crypto.randomBytes instead of Math.random; #5

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Use crypto.randomBytes instead of Math.random; #5

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6 changes: 5 additions & 1 deletion index.js
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@

var assert = require('assert')
var crypto = require('crypto')

var base62 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
var base36 = 'abcdefghijklmnopqrstuvwxyz0123456789'
Expand All @@ -19,7 +20,10 @@ function create(chars) {
len = len || 10
assert(typeof len === 'number' && len >= 0, 'the length of the random string must be a number!')
var salt = ''
for (var i = 0; i < len; i++) salt += chars[Math.floor(length * Math.random())]
for (var i = 0; i < len; i++) {
var rndVal = (crypto.randomBytes(1).readIntBE(0,1) + 128) / 256;
salt += chars[Math.floor(length * rndVal)]
}
return salt
}
}