Test.java

class Test {
	public static byte[] decrypt(byte[] encrypted, byte[] key)
			throws GeneralSecurityException {
		SecretKeySpec skeySpec = new SecretKeySpec(key, "Blowfish");
		Cipher cipher = Cipher.getInstance("Blowfish/CBC/PKCS5Padding");
		String iv = "00000000";
		IvParameterSpec ivs = new IvParameterSpec(iv.getBytes());
		cipher.init(Cipher.DECRYPT_MODE, skeySpec, ivs);
		byte[] decrypted = cipher.doFinal(encrypted);
		return decrypted;
	}

	public static byte[] encrypt(byte[] messageBytes, byte[] key)
			throws GeneralSecurityException {
		SecretKeySpec skeySpec = new SecretKeySpec(key, "Blowfish");
		Cipher cipher = Cipher.getInstance("Blowfish/CBC/PKCS5Padding");
		String iv = "00000000";
		IvParameterSpec ivs = new IvParameterSpec(iv.getBytes());
		cipher.init(Cipher.ENCRYPT_MODE, skeySpec, ivs);
		byte[] encrypted = cipher.doFinal(messageBytes);
		return encrypted;
	}

	public static void main(String[] args) throws UnsupportedEncodingException, IOException {
		// encrypting
		try {
			String c = new String(Test.encrypt((new String("thevalue")).getBytes(),
					(new String("mykey")).getBytes()));
			System.out.println("Encrypting \"thevalue\": " + c);
			System.out.println("Base64 encoded String:"+ new sun.misc.BASE64Encoder().encode(c.getBytes()));
		} catch (GeneralSecurityException e) {
			e.printStackTrace();
		}
	}
}
// Base64 encoded String:wTHzxfxLHdMm/JMFnoh0hciS/D8DvFFg