Files
cloudron-box/src/aes-helper.js
2015-07-20 00:10:36 -07:00

50 lines
1.2 KiB
JavaScript

'use strict';
var crypto = require('crypto');
// This code is taken from https://github.com/fabdrol/node-aes-helper
module.exports = {
algorithm: 'AES-256-CBC',
key: function (password, salt) {
var key = salt.toString('utf8') + password;
var hash = crypto.createHash('sha1');
hash.update(key, 'utf8');
return hash.digest('hex');
},
encrypt: function (plain, password, salt) {
var key = this.key(password, salt);
var cipher = crypto.createCipher(this.algorithm, key);
var crypted;
try {
crypted = cipher.update(plain, 'utf8', 'hex');
crypted += cipher.final('hex');
} catch (e) {
console.error('Encryption error:', e);
crypted = '';
}
return crypted;
},
decrypt: function (crypted, password, salt) {
var key = this.key(password, salt);
var decipher = crypto.createDecipher(this.algorithm, key);
var decoded;
try {
decoded = decipher.update(crypted, 'hex', 'utf8');
decoded += decipher.final('utf8');
} catch (e) {
console.error('Decryption error:', e);
decoded = '';
}
return decoded;
}
};