'JAVA encrypted AES 256 CBC To NODE.JS - Problems to migrate code
I have been reading several similar questions and based on that for my initial code. Unfortunately, I still can't get it to work.
key="fb52042ada308dd1d4dfd8a3870d5ab5"
iv = "bb8e0b158f57f63dfeea86e24af1abfc"
data = {"MerchantId":"0000000000000001"}
Get SHA256 from "data" (dataSha256)
Get encryption from Encrypt dataSha256 + iv + key
Result of Hexa encryption, similar to: fd72fcc16b66d04cf0f4dd2265a59eb675103482bae806b405bb85595056f5770b3202b42d42a87b767892591a333eb6b5c9ad3ef34f4d415f8d3bbc3d0f389e2e5b6f7cd915520c7b2c19225680728b
When migrating the code from Java to Node.js, I don't get similar result. The first problem is that the "iv" should be 16 bytes, however in the code it is 32.
JAVA EXTRACT (original)
public class AesEncryption implements SymmetricEncryptionComponent {
Map<String, String> initParams;
String key, iv;
String mode, encoding;
String keyFile;
String ENCODING = "ISO-8859-1";
public AesEncryption() {
Security.addProvider(new BouncyCastleProvider());
}
// PARAMETERS INITIALITATION
public void setInitParams()
{
initParams=params;
key=” 1ea9a91b0ba908b44f598d2822499441”;
iv= "f20946931dd6e8594dc6f469b5e583ab";
mode= "AES/CBC/PKCS7Padding";
encoding= "HEX";
if(encoding.equalsIgnoreCase("BASE64")&&encoding.equalsIgnoreCase("HEX"))
throw new IllegalArgumentException("AES.ENCODING can only be 'HEX' of 'BASE64'")
}
// INFORMATION CIPHERING return encodeBase24
public String encrypt(String data) {
byte[] output = null;
try {
byte[] keyBytes = decode(key);
byte[] input = data.getBytes(ENCODING);
AlgorithmParameterSpec ivSpec = new
IvParameterSpec(Hex.decodeHex(iv.toCharArray()));
SecretKeySpec keySpec = null;
keySpec = new SecretKeySpec(keyBytes, "AES");
Cipher cipher = Cipher.getInstance(mode);
cipher.init(Cipher.ENCRYPT_MODE, keySpec, ivSpec);
output = cipher.doFinal(input);
} catch (Exception e) {
throw new EncryptionException("Error", e);
}
return encode(output);
}
// INFORMATION ENCODE
private String encode(byte[] output) {
if (mode.equalsIgnoreCase("BASE64"))
return Base64.encodeBase64String(output);
else
return new String(Hex.encodeHex(output));
}
// INFORMATION DECODE
private byte[] decode(String data) throws DecoderException {
if (data.indexOf("=") > 0 || data.indexOf("+") > 0)
return Base64.decodeBase64(data);
else
return Hex.decodeHex(data.toCharArray());
}
}
NODE EXTRACT (using crypto-js)
const cryptojs = require("crypto-js");
const crypto = require("crypto");
let jsonData = {"MerchantId":"0000000000000001"};
let key = 'fb52042ada308dd1d4dfd8a3870d5ab5';
let iv = 'bb8e0b158f57f63dfeea86e24af1abfc';
const jsonDataSha256 =
crypto.createHash('sha256').update(JSON.stringify(jsonData)).digest('hex');
key = cryptojs.enc.Latin1.parse(key); //Convierte hex string -> word array
iv = cryptojs.enc.Latin1.parse(iv);
jsonDataSha256Bin = cryptojs.enc.Latin1.parse(jsonDataSha256); //Convert hex
string -> word array
console.log(key);
console.log(iv);
console.log(jsonDataSha256);
let encrypted = cryptojs.AES.encrypt(jsonDataSha256Bin, key, {
iv: iv,
mode: cryptojs.mode.CBC,
padding: cryptojs.pad.Pkcs7,
});
encrypted = encrypted.toString();
const salida = crypto.createHash('sha256').update(encrypted).digest('hex');
console.log(`${salida}`);
//Equals to ce994c4d2b1f398ff0bed22c4b48e1f2170dbf26baf2eaacec96ea6b31667cd6
//No match to Java output.
What will I be doing wrong? Any help is appreciated!
Sources
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Source: Stack Overflow
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