Code to encrypt and decrypt strings using node crypto

encrypt_decrypt.ts

import crypto from "crypto";

const algorithm = "aes-256-cbc"; //Using AES encryption
const Securitykey = crypto.randomBytes(32);
const initVector = crypto.randomBytes(16);

export const encryptMessage = (message: string) => { 
  const cipher = crypto.createCipheriv(algorithm, Securitykey, initVector); 
  let encryptedData = cipher.update(message, "utf-8", "hex"); 
  encryptedData += cipher.final("hex"); 
  return encryptedData;
};

const decrypt = (encryptedMessage: string) => {  
  const decipher = crypto.createDecipheriv(algorithm, Securitykey, initVector);
  let decryptedData = decipher.update(encryptedMessage, "hex", "utf-8");
  decryptedData += decipher.final("utf8");
  return decryptedData
};