C#

Duplicate Java AES Results

See more Encryption Examples

Demonstrates how to duplicate Java code for AES encryption. C#

Chilkat.Crypt2 crypt = new Chilkat.Crypt2();

crypt.CryptAlgorithm = "aes";
crypt.CipherMode = "cbc";
crypt.KeyLength = 256;

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

crypt.EncodingMode = "hex";

string encrypted = crypt.EncryptStringENC("tmpString");
Debug.WriteLine(encrypted);

Debug.WriteLine(crypt.DecryptStringENC(encrypted));

//  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);
//  	}
//  }
//