Created
April 23, 2016 13:52
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//var salt = CryptoJS.lib.WordArray.random(256/32); | |
//var iv = CryptoJS.lib.WordArray.random(256/32); | |
//console.log('salt '+ salt ); | |
//console.log('iv '+ iv ); | |
var salt = CryptoJS.enc.Hex.parse("28698aadc97f3ad8"); | |
var iv = CryptoJS.enc.Hex.parse("73ac39603da6e205"); | |
console.log('salt '+ salt ); | |
console.log('iv '+ iv ); | |
var key128Bits = CryptoJS.PBKDF2("Secret Passphrase", salt, { keySize: 256/32 }); | |
console.log( 'key128Bits '+ key128Bits); | |
var key128Bits100Iterations = CryptoJS.PBKDF2("Secret Passphrase", salt, { keySize: 256/32, iterations: 100 }); | |
console.log( 'key128Bits100Iterations '+ key128Bits100Iterations); | |
var encrypted = CryptoJS.AES.encrypt("Message", key128Bits100Iterations, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 }); | |
console.log('encrypted '+ encrypted ); | |
// ------------ | |
var salt = CryptoJS.enc.Hex.parse("28698aadc97f3ad8"); | |
var iv = CryptoJS.enc.Hex.parse("73ac39603da6e205"); | |
var encrypted = "PZL3ZW3hSLwzfxSzrQh+0Q=="; | |
console.log('salt '+ salt ); | |
console.log('iv '+ iv ); | |
var key = CryptoJS.PBKDF2("Secret Passphrase", salt, { keySize: 256/32, iterations: 100 }); | |
console.log( 'key '+ key); | |
var decrypt = CryptoJS.AES.decrypt(encrypted, key, { iv: iv, mode: CryptoJS.mode.CBC, padding: CryptoJS.pad.Pkcs7 }); | |
var ddd = decrypt.toString(CryptoJS.enc.Utf8); | |
console.log('ddd '+ddd); | |
------------ | |
import javax.crypto.BadPaddingException; | |
import javax.crypto.Cipher; | |
import javax.crypto.IllegalBlockSizeException; | |
import javax.crypto.SecretKey; | |
import javax.crypto.SecretKeyFactory; | |
import javax.crypto.spec.IvParameterSpec; | |
import javax.crypto.spec.PBEKeySpec; | |
import javax.crypto.spec.SecretKeySpec; | |
import org.apache.commons.codec.binary.Base64; | |
public class AES { | |
private static final String password = "test"; | |
private static String salt = "28698aadc97f3ad8"; | |
private static String iv = "73ac39603da6e205"; | |
private static int pswdIterations = 65536 ; | |
private static int keySize = 256; | |
private byte[] ivBytes; | |
public String encrypt(String plainText) throws Exception { | |
byte[] saltBytes = salt.getBytes("UTF-8"); | |
byte[] ivBytes = iv.getBytes("UTF-8"); | |
IvParameterSpec iv = new IvParameterSpec(ivBytes); | |
// Derive the key | |
SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1"); | |
PBEKeySpec spec = new PBEKeySpec(password.toCharArray(), saltBytes, pswdIterations, keySize); | |
SecretKey secretKey = factory.generateSecret(spec); | |
SecretKeySpec secret = new SecretKeySpec(secretKey.getEncoded(), "AES"); | |
//encrypt the message | |
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); | |
cipher.init(Cipher.ENCRYPT_MODE, secret, iv); | |
// AlgorithmParameters params = cipher.getParameters(); | |
// ivBytes = params.getParameterSpec(IvParameterSpec.class).getIV(); | |
byte[] encryptedTextBytes = cipher.doFinal(plainText.getBytes("UTF-8")); | |
return new Base64().encodeAsString(encryptedTextBytes); | |
} | |
@SuppressWarnings("static-access") | |
public String decrypt(String encryptedText) throws Exception { | |
byte[] saltBytes = salt.getBytes("UTF-8"); | |
byte[] encryptedTextBytes = new Base64().decodeBase64(encryptedText); | |
// Derive the key | |
SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1"); | |
PBEKeySpec spec = new PBEKeySpec(password.toCharArray(), saltBytes, pswdIterations, keySize); | |
SecretKey secretKey = factory.generateSecret(spec); | |
SecretKeySpec secret = new SecretKeySpec(secretKey.getEncoded(), "AES"); | |
// Decrypt the message | |
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding"); | |
cipher.init(Cipher.DECRYPT_MODE, secret, new IvParameterSpec(ivBytes)); | |
byte[] decryptedTextBytes = null; | |
try { | |
decryptedTextBytes = cipher.doFinal(encryptedTextBytes); | |
} catch (IllegalBlockSizeException e) { | |
e.printStackTrace(); | |
} catch (BadPaddingException e) { | |
e.printStackTrace(); | |
} | |
return new String(decryptedTextBytes); | |
} | |
public static void main(String[] args) throws Exception { | |
AES aes = new AES(); | |
String encrypt = aes.encrypt("Hello"); | |
System.out.println("Encrypt "+encrypt); | |
// System.out.println("Decrypt "+aes.decrypt(encrypt)); | |
// System.out.println(aes.decrypt("Z/UIpd9jPZB2RwkTWkPHkQ==")); | |
} | |
} |
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