public static void testSecKeyVerifyPos() throws AssertFailException{
        boolean result = false;
        byte[] sec = BaseEncoding.base16().lowerCase().decode("67E56582298859DDAE725F972992A07C6C4FB9F62A8FFF58CE3CA926A1063530".toLowerCase());

        result = NativeSecp256k1.secKeyVerify( sec );