public static boolean checkAuth(byte [] authenticatorclient,String account,String password,String timestamp) {

		try {
			String clientstr =Hex.rhex(authenticatorclient);
			String serverstr = Hex.rhex(GenerateAuthenticatorClient(account, password,timestamp));
			  if (clientstr.equals(serverstr)){
					return true;
				} else {
					return false;
				}
		} catch (NoSuchAlgorithmException e) {
			// TODO Auto-generated catch block
			return false;
		}


	}