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node.jscryptojs

AES 128 ECB decryption nodejs


https://www.devglan.com/online-tools/aes-encryption-decryption

Encrypted data results as image

now if i decrypt the result using Node.js

const CryptoJS = require('crypto-js');

var bytes  = CryptoJS.AES.decrypt('HcMV322sPPrFonlvXZ5pvFpXABVrxYVAXrEr9vcu7TIFOPNQVGq5svEv3959sRDxkDHB/nav80iGMPBiz8bDeA==', 'my secretkey 123');

var originalText = bytes.toString(CryptoJS.enc.Utf8);

console.log(originalText, '--->');

image results in empty string


Solution

  • let keyUtf8 = CryptoJS.enc.Utf8.parse(secretKey)
    
    ENC = CryptoJS.AES.decrypt(ENC, keyUtf8, { mode: CryptoJS.mode.ECB,  keySize: 128 });
    
    ENC = CryptoJS.enc.Utf8.stringify(ENC).toString();