How to Encrypt and decrypt a Text in react native?

Question

I need store the secure information in AsyncStorage ,

So please any one explain how Encrypt and decrypt a Text in react native

Answer 1

You can use crypto-js library https://github.com/brix/crypto-js. Works fine within React Native app.

npm install crypto-js --save

---

var CryptoJS = require("crypto-js");

var ciphertext = CryptoJS.AES.encrypt('my message', 'secret key 123');
console.log("encrypted text", ciphertext.toString());

var bytes  = CryptoJS.AES.decrypt(ciphertext.toString(), 'secret key 123');
var plaintext = bytes.toString(CryptoJS.enc.Utf8);
console.log("decrypted text", plaintext);