Encrypt Decrypt data over HTTP calls | NODE.JS

encryptDecryptDataOverTheWire.js

const crypto = require('crypto');

const algorithm = 'aes-256-ctr';
const password = '<your password>';

class CryptoString {
  
  static set(text){
    const cipher = crypto.createCipher(algorithm, password);
    let crypted = cipher.update(text, 'utf8', 'hex');
    crypted += cipher.final('hex');
    return crypted;
  }
  
  static get(text) {
    const decipher = crypto.createDecipher(algorithm, password);
    let dec = decipher.update(text, 'hex', 'utf8');
    dec += decipher.final('utf8');
    return dec;
  }
  
}

/**
making a fetch call
*/
fetch(url, {
  method: 'post'
  headers : {...},
  body: JSON.stringify({data: CryptoString.set(JSON.stringify({ data .... }))})
  ....