Attempt to use forge RC2 crypt.
needs in your html :
<!-- in your html -->
<script src="./js/forge.min.js"></script>
<script src="./js/easyCrypt.js"></script>both encrypt / decrypt
var demoKey = 'somethingsuperhugeandsupersecret';
var demoIV = 'vector';encrypt
// in your javascript
var MESSAGE_TO_CRYPT = 'to crypt';
var encryptedValue = easyCrypt
.setRawMessage(MESSAGE_TO_CRYPT
.getEncrypted({key: demoKey, iv: demoIV});
console.log('encryptedValue value: ', encryptedValue);decrypt
// in your javascript
var CRYPTED_MESSAGE_WITH_SAME_KEYS = 'ZmJkM2I1NzNiOWZlZjkzNzI1ZDczN2M1Nzk5MGI5Zjg==';
var decryptedValue = easyCrypt
.getDecrypted(CRYPTED_MESSAGE_WITH_SAME_KEYS, {key: demoKey, iv: demoIV});
console.log('decrypted value: ', decryptedValue);