(Visual FoxPro) Duplicate Java AES Results

Demonstrates how to duplicate Java code for AES encryption.

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

LOCAL loCrypt
LOCAL lcEncrypted

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Crypt2')
loCrypt = CreateObject('Chilkat.Crypt2')

loCrypt.CryptAlgorithm = "aes"
loCrypt.CipherMode = "cbc"
loCrypt.KeyLength = 256

loCrypt.SetEncodedIV("000102030405060708090A0B0C0D0E0F","hex")
loCrypt.SetEncodedKey("uX1AytOx2bqKn1G1NiblFM3YrEMnvciC","ascii")

loCrypt.EncodingMode = "hex"

lcEncrypted = loCrypt.EncryptStringENC("tmpString")
? lcEncrypted

? loCrypt.DecryptStringENC(lcEncrypted)

* The above Chilkat code duplicates the following Java code:

* import javax.crypto.Cipher;
* import javax.crypto.spec.IvParameterSpec;
* import javax.crypto.spec.SecretKeySpec;
* 
* public class Test {
* 	private static final String KEY = "uX1AytOx2bqKn1G1NiblFM3YrEMnvciC";
* 	private static final String IV = "000102030405060708090A0B0C0D0E0F";
* 
* 	private static final char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
* 	public static String bytesToHex(byte[] bytes) {
* 	    char[] hexChars = new char[bytes.length * 2];
* 	    for (int j = 0; j < bytes.length; j++) {
* 	        int v = bytes[j] & 0xFF;
* 	        hexChars[j * 2] = HEX_ARRAY[v >>> 4];
* 	        hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F];
* 	    }
* 	    return new String(hexChars);
* 	}
* 	public static byte[] hexToBytes(String s) {
* 	    int len = s.length();
* 	    byte[] data = new byte[len / 2];
* 	    for (int i = 0; i < len; i += 2) {
* 	        data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
* 	                             + Character.digit(s.charAt(i+1), 16));
* 	    }
* 	    return data;
* 	}
* 	public static byte[] encrypt(String value) {
* 		try {
* 			System.out.println("---- encrypt ----");
* 			IvParameterSpec iv = new IvParameterSpec(hexToBytes(IV));
* 			SecretKeySpec skeySpec = new SecretKeySpec(KEY.getBytes("ASCII"), "AES");
* 			Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
* 			cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv);
* 			byte[] encrypted = cipher.doFinal(value.getBytes("ASCII"));
* 			String x = bytesToHex(encrypted);
* 			System.out.println(x);
* 			return encrypted;
* 		} catch (Exception ex) {
* 			ex.printStackTrace();
* 			return null;
* 		}
* 	}
* 
* 	public static String decrypt(byte[] encrypted) {
* 		try {
* 			System.out.println("---- decrypt ----");
* 			IvParameterSpec iv = new IvParameterSpec(hexToBytes(IV));
* 			SecretKeySpec skeySpec = new SecretKeySpec(KEY.getBytes("ASCII"), "AES");
* 			Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
* 			cipher.init(Cipher.DECRYPT_MODE, skeySpec, iv);
* 			byte[] original = cipher.doFinal(encrypted);
* 			String x = new String(original);
* 			System.out.println(x);
* 			return x;
* 		} catch (Exception ex) {
* 			ex.printStackTrace();
* 			return null;
* 		}
* 
* 	}
* 
* 	public static void main(String[] args) {
* 		byte[] encrypted = encrypt("tmpString");
* 		decrypt(encrypted);
* 	}
* }
* 

RELEASE loCrypt