How to decrypt AES with CryptoJS
13,205
Solution 1
var CryptoJS = require("crypto-js");
var key = CryptoJS.enc.Utf8.parse('b75524255a7f54d2726a951bb39204df');
var iv = CryptoJS.enc.Utf8.parse('1583288699248111');
var text = "My Name Is Nghĩa";
var encryptedCP = CryptoJS.AES.encrypt(text, key, { iv: iv });
var decryptedWA = CryptoJS.AES.decrypt(encryptedCP, key, { iv: iv});
var cryptText = encryptedCP.toString();
console.log(cryptText);
console.log(decryptedWA.toString(CryptoJS.enc.Utf8));
//Decode from text
var cipherParams = CryptoJS.lib.CipherParams.create({
ciphertext: CryptoJS.enc.Base64.parse(cryptText )
});
var decryptedFromText = CryptoJS.AES.decrypt(cipherParams, key, { iv: iv});
console.log(decryptedFromText.toString(CryptoJS.enc.Utf8));
Solution 2
try this to encrypt data
var data = CryptoJS.AES.encrypt(message, key);
data = data.toString()
then decrypt it like this
var decr = CryptoJS.AES.decrypt(data, key);
decr = decr.toString(CryptoJS.enc.Utf8);
Author by
Pedro
Systems Analyst who works with Java almost tree years. Experience with transactional systems, development of Rest APIs and a little experience with C, C++ and front-end with Vue.JS.
Updated on June 04, 2022Comments
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Pedro almost 2 years
I'm trying for some time to decrypt a message in AES that use a Java app , but it never works . Can someone help me?
var options = { mode: CryptoJS.mode.ECB, padding: CryptoJS.pad.Pkcs7 }; /*** encrypt */ var json = CryptoJS.AES.encrypt("Message", "KEY", options); var ciphertext = json.ciphertext.toString(CryptoJS.enc.Base64); console.log("chiper text ", ciphertext); /*** decrypt */ var decrypted = CryptoJS.AES.decrypt(json, "KEY", options); var plaintext = decrypted.toString(CryptoJS.enc.Utf8); console.log("decrypted ", plaintext);
But it is always generated a different ciphertext, never the same from my database.