// SPDX-License-Identifier: GPL-2.0-only
/**
* Digital Voice Modem - Test Suite
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* @package DVM / Test Suite
* @license GPLv2 License (https://opensource.org/licenses/GPL-2.0)
*
*   Copyright (C) 2024 Bryan Biedenkapp, N2PLL
*
*/
#include "host/Defines.h"
#include "common/RC4Crypto.h"
#include "common/Log.h"
#include "common/Utils.h"

using namespace crypto;

#include <catch2/catch_test_macros.hpp>
#include <stdlib.h>
#include <time.h>

TEST_CASE("RC4", "[Crypto Test]") {
    SECTION("RC4_Crypto_Test") {
        bool failed = false;

        INFO("RC4 Crypto Test");

        srand((unsigned int)time(NULL));

        // key (K)
        uint8_t K[8] = 
        {
            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07
        };

        // message
        uint8_t message[48] = 
        {
            0x90, 0x56, 0x00, 0x00, 0x2D, 0x75, 0xE6, 0x8D, 0x00, 0x89, 0x69, 0xCF, 0x00, 0xFE, 0x00, 0x04,
            0x4F, 0xC7, 0x60, 0xFF, 0x30, 0x3E, 0x2B, 0xAD, 0x00, 0x89, 0x69, 0xCF, 0x00, 0x00, 0x00, 0x08,
            0x52, 0x50, 0x54, 0x4C, 0x00, 0x89, 0x69, 0xCF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00            
        };

        // perform crypto
        RC4* rc4 = new RC4();

        Utils::dump(2U, "RC4_Crypto_Test, Message", message, 48);

        uint8_t* crypted = rc4->crypt(message, 48 * sizeof(uint8_t), K, 8);
        Utils::dump(2U, "RC4_Crypto_Test, Encrypted", crypted, 48);

        uint8_t* decrypted = rc4->crypt(crypted, 48 * sizeof(uint8_t), K, 8);
        Utils::dump(2U, "RC4_Crypto_Test, Decrypted", decrypted, 48);

        for (uint32_t i = 0; i < 48U; i++) {
            if (decrypted[i] != message[i]) {
                ::LogDebug("T", "RC4_Crypto_Test, INVALID AT IDX %d\n", i);
                failed = true;
            }
        }

        delete rc4;
        REQUIRE(failed==false);
    }
}