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jeffz2012/password.js

Forked from soplakanets/password.js
Created October 23, 2015 21:30
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Revisions

  1. @soplakanets soplakanets revised this gist May 19, 2011. No changes.
  2. @soplakanets soplakanets created this gist May 19, 2011.
    35 changes: 35 additions & 0 deletions password.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,35 @@
    var crypto = require('crypto');

    var SaltLength = 9;

    function createHash(password) {
    var salt = generateSalt(SaltLength);
    var hash = md5(password + salt);
    return salt + hash;
    }

    function validateHash(hash, password) {
    var salt = hash.substr(0, SaltLength);
    var validHash = salt + md5(password + salt);
    return hash === validHash;
    }

    function generateSalt(len) {
    var set = '0123456789abcdefghijklmnopqurstuvwxyzABCDEFGHIJKLMNOPQURSTUVWXYZ',
    setLen = set.length,
    salt = '';
    for (var i = 0; i < len; i++) {
    var p = Math.floor(Math.random() * setLen);
    salt += set[p];
    }
    return salt;
    }

    function md5(string) {
    return crypto.createHash('md5').update(string).digest('hex');
    }

    module.exports = {
    'hash': createHash,
    'validate': validateHash
    };