57 lines
1.3 KiB
JavaScript
57 lines
1.3 KiB
JavaScript
//crypt.js
|
|
/**
|
|
* Module for encrypting and decrypting strings.
|
|
* @module crypt
|
|
* @author Bram van der Veen <96aa48@gmail.com>
|
|
*/
|
|
|
|
//Import first-party modules.
|
|
var crypto = require('crypto');
|
|
|
|
//Set local variables.
|
|
var encoding = 'utf8';
|
|
var cryptEncoding = 'hex';
|
|
var algo = 'aes192';
|
|
var passwd = 'JMU6DAQpzt32hJ2WndJxFvk3WHWqFcscq9yMMYkr8kgTtsam';
|
|
|
|
/**
|
|
* Function for encrypting a string.
|
|
* @param {String} str - String that you want to encrypt.
|
|
* @return {String} encryptArray - Encrypted string.
|
|
*/
|
|
function encrypt(str) {
|
|
var cipher = crypto.createCipher(algo, passwd);
|
|
var encryptArray = [];
|
|
|
|
encryptArray.push(cipher.update(str, encoding, cryptEncoding));
|
|
encryptArray.push(cipher.final(cryptEncoding));
|
|
|
|
return encryptArray.join('');
|
|
}
|
|
|
|
/**
|
|
* Function to decrypt a string.
|
|
* @param {String} str - String you want to decrypt
|
|
* @return {String} The decrypted string.
|
|
*/
|
|
function decrypt(str) {
|
|
var decipher = crypto.createDecipher(algo, passwd);
|
|
var decryptArray = [];
|
|
|
|
try {
|
|
decryptArray.push(decipher.update(str, cryptEncoding, encoding));
|
|
decryptArray.push(decipher.final(encoding));
|
|
|
|
return decryptArray.join('');
|
|
}
|
|
catch (err) {
|
|
return str.join('');
|
|
}
|
|
}
|
|
|
|
//Export the functions as a module.
|
|
module.exports = {
|
|
'encrypt': encrypt,
|
|
'decrypt': decrypt
|
|
}
|