encrypt decrypt javascript code example

Example 1: encrypt and decrypt in nodejs

const Cryptr = require('cryptr');const cryptr = new Cryptr('myTotalySecretKey'); const encryptedString = cryptr.encrypt('bacon');const decryptedString = cryptr.decrypt(encryptedString); console.log(encryptedString); // e7b75a472b65bc4a42e7b3f78833a4d00040beba796062bf7c13d9533b149e5ec3784813dc20348fdf248d28a2982df85b83d1109623bce45f08238f6ea9bd9bb5f406427b2a40f969802635b8907a0a57944f2c12f334bd081d5143a357c173a611e1b64aconsole.log(decryptedString); // bacon

Example 2: encrypt js

function getMessageEncoding() {
  const messageBox = document.querySelector(".rsa-oaep #message");
  let message = messageBox.value;
  let enc = new TextEncoder();
  return enc.encode(message);
}

function encryptMessage(publicKey) {
  let encoded = getMessageEncoding();
  return window.crypto.subtle.encrypt(
    {
      name: "RSA-OAEP"
    },
    publicKey,
    encoded
  );
}