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use secure random number generator

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This commit is contained in:
Alex Booker 2015-08-14 18:10:56 +01:00
parent e13220c2fb
commit 78634330de
1 changed files with 7 additions and 1 deletions
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8
js/passwordGenerator.js
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@ -1,6 +1,12 @@
var passwordGenerator = (function() {
var generateRandomNum = function (max) {
return Math.floor(Math.random() * max);
var array = new Uint8Array(1);
window.crypto.getRandomValues(array);
var range = max + 1;
var max_range = 256;
if (array[0] >= Math.floor(max_range / range) * range)
return generateRandomNum(max);
return (array[0] % range);
};
var generatePassword = function (options) {