JAVASCRIPT

encrypt decrypt javascript

const Cryptr = require('cryptr');
const cryptr = new Cryptr('ReallySecretKey');

const encryptedString = cryptr.encrypt('Popcorn');
const decryptedString = cryptr.decrypt(encryptedString);

console.log(encryptedString);

encrypt decrypt in vanilla javascript

 var encrypted = CryptoJS.AES.encrypt("Message", "Secret Passphrase");
//U2FsdGVkX18ZUVvShFSES21qHsQEqZXMxQ9zgHy+bu0=

var decrypted = CryptoJS.AES.decrypt(encrypted, "Secret Passphrase");
//4d657373616765


document.getElementById("demo1").innerHTML = encrypted;
document.getElementById("demo2").innerHTML = decrypted;
document.getElementById("demo3").innerHTML = decrypted.toString(CryptoJS.enc.Utf8);