#include "prx/libSceLibreSsl/include/Api.hpp"
#include <algorithm>
#include <array>
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <source_location>

static void Require(bool value, std::source_location location = std::source_location::current()) {
    if (!value) {
        std::fprintf(stderr, "check failed at line %u\n", location.line());
        std::abort();
    }
}

struct Vector { std::array<unsigned char, 8> key, plain, cipher; };
static constexpr Vector vectors[] = {
    {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, {0x8c, 0xa6, 0x4d, 0xe9, 0xc1, 0xb1, 0x23, 0xa7}},
    {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, {0x73, 0x59, 0xb2, 0x16, 0x3e, 0x4e, 0xdc, 0x58}},
    {{0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, {0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01}, {0x95, 0x8e, 0x6e, 0x62, 0x7a, 0x05, 0x55, 0x7b}},
    {{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11}, {0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11}, {0xf4, 0x03, 0x79, 0xab, 0x9e, 0x0e, 0xc5, 0x33}},
    {{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, {0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11}, {0x17, 0x66, 0x8d, 0xfc, 0x72, 0x92, 0x53, 0x2d}},
    {{0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11}, {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, {0x8a, 0x5a, 0xe1, 0xf8, 0x1a, 0xb8, 0xf2, 0xdd}},
    {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, {0x8c, 0xa6, 0x4d, 0xe9, 0xc1, 0xb1, 0x23, 0xa7}},
    {{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}, {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, {0xed, 0x39, 0xd9, 0x50, 0xfa, 0x74, 0xbc, 0xc4}},
    {{0x7c, 0xa1, 0x10, 0x45, 0x4a, 0x1a, 0x6e, 0x57}, {0x01, 0xa1, 0xd6, 0xd0, 0x39, 0x77, 0x67, 0x42}, {0x69, 0x0f, 0x5b, 0x0d, 0x9a, 0x26, 0x93, 0x9b}},
    {{0x01, 0x31, 0xd9, 0x61, 0x9d, 0xc1, 0x37, 0x6e}, {0x5c, 0xd5, 0x4c, 0xa8, 0x3d, 0xef, 0x57, 0xda}, {0x7a, 0x38, 0x9d, 0x10, 0x35, 0x4b, 0xd2, 0x71}},
    {{0x07, 0xa1, 0x13, 0x3e, 0x4a, 0x0b, 0x26, 0x86}, {0x02, 0x48, 0xd4, 0x38, 0x06, 0xf6, 0x71, 0x72}, {0x86, 0x8e, 0xbb, 0x51, 0xca, 0xb4, 0x59, 0x9a}},
    {{0x38, 0x49, 0x67, 0x4c, 0x26, 0x02, 0x31, 0x9e}, {0x51, 0x45, 0x4b, 0x58, 0x2d, 0xdf, 0x44, 0x0a}, {0x71, 0x78, 0x87, 0x6e, 0x01, 0xf1, 0x9b, 0x2a}},
    {{0x04, 0xb9, 0x15, 0xba, 0x43, 0xfe, 0xb5, 0xb6}, {0x42, 0xfd, 0x44, 0x30, 0x59, 0x57, 0x7f, 0xa2}, {0xaf, 0x37, 0xfb, 0x42, 0x1f, 0x8c, 0x40, 0x95}},
    {{0x01, 0x13, 0xb9, 0x70, 0xfd, 0x34, 0xf2, 0xce}, {0x05, 0x9b, 0x5e, 0x08, 0x51, 0xcf, 0x14, 0x3a}, {0x86, 0xa5, 0x60, 0xf1, 0x0e, 0xc6, 0xd8, 0x5b}},
    {{0x01, 0x70, 0xf1, 0x75, 0x46, 0x8f, 0xb5, 0xe6}, {0x07, 0x56, 0xd8, 0xe0, 0x77, 0x47, 0x61, 0xd2}, {0x0c, 0xd3, 0xda, 0x02, 0x00, 0x21, 0xdc, 0x09}},
    {{0x43, 0x29, 0x7f, 0xad, 0x38, 0xe3, 0x73, 0xfe}, {0x76, 0x25, 0x14, 0xb8, 0x29, 0xbf, 0x48, 0x6a}, {0xea, 0x67, 0x6b, 0x2c, 0xb7, 0xdb, 0x2b, 0x7a}},
    {{0x07, 0xa7, 0x13, 0x70, 0x45, 0xda, 0x2a, 0x16}, {0x3b, 0xdd, 0x11, 0x90, 0x49, 0x37, 0x28, 0x02}, {0xdf, 0xd6, 0x4a, 0x81, 0x5c, 0xaf, 0x1a, 0x0f}},
    {{0x04, 0x68, 0x91, 0x04, 0xc2, 0xfd, 0x3b, 0x2f}, {0x26, 0x95, 0x5f, 0x68, 0x35, 0xaf, 0x60, 0x9a}, {0x5c, 0x51, 0x3c, 0x9c, 0x48, 0x86, 0xc0, 0x88}},
    {{0x37, 0xd0, 0x6b, 0xb5, 0x16, 0xcb, 0x75, 0x46}, {0x16, 0x4d, 0x5e, 0x40, 0x4f, 0x27, 0x52, 0x32}, {0x0a, 0x2a, 0xee, 0xae, 0x3f, 0xf4, 0xab, 0x77}},
    {{0x1f, 0x08, 0x26, 0x0d, 0x1a, 0xc2, 0x46, 0x5e}, {0x6b, 0x05, 0x6e, 0x18, 0x75, 0x9f, 0x5c, 0xca}, {0xef, 0x1b, 0xf0, 0x3e, 0x5d, 0xfa, 0x57, 0x5a}},
    {{0x58, 0x40, 0x23, 0x64, 0x1a, 0xba, 0x61, 0x76}, {0x00, 0x4b, 0xd6, 0xef, 0x09, 0x17, 0x60, 0x62}, {0x88, 0xbf, 0x0d, 0xb6, 0xd7, 0x0d, 0xee, 0x56}},
    {{0x02, 0x58, 0x16, 0x16, 0x46, 0x29, 0xb0, 0x07}, {0x48, 0x0d, 0x39, 0x00, 0x6e, 0xe7, 0x62, 0xf2}, {0xa1, 0xf9, 0x91, 0x55, 0x41, 0x02, 0x0b, 0x56}},
    {{0x49, 0x79, 0x3e, 0xbc, 0x79, 0xb3, 0x25, 0x8f}, {0x43, 0x75, 0x40, 0xc8, 0x69, 0x8f, 0x3c, 0xfa}, {0x6f, 0xbf, 0x1c, 0xaf, 0xcf, 0xfd, 0x05, 0x56}},
    {{0x4f, 0xb0, 0x5e, 0x15, 0x15, 0xab, 0x73, 0xa7}, {0x07, 0x2d, 0x43, 0xa0, 0x77, 0x07, 0x52, 0x92}, {0x2f, 0x22, 0xe4, 0x9b, 0xab, 0x7c, 0xa1, 0xac}},
    {{0x49, 0xe9, 0x5d, 0x6d, 0x4c, 0xa2, 0x29, 0xbf}, {0x02, 0xfe, 0x55, 0x77, 0x81, 0x17, 0xf1, 0x2a}, {0x5a, 0x6b, 0x61, 0x2c, 0xc2, 0x6c, 0xce, 0x4a}},
    {{0x01, 0x83, 0x10, 0xdc, 0x40, 0x9b, 0x26, 0xd6}, {0x1d, 0x9d, 0x5c, 0x50, 0x18, 0xf7, 0x28, 0xc2}, {0x5f, 0x4c, 0x03, 0x8e, 0xd1, 0x2b, 0x2e, 0x41}},
    {{0x1c, 0x58, 0x7f, 0x1c, 0x13, 0x92, 0x4f, 0xef}, {0x30, 0x55, 0x32, 0x28, 0x6d, 0x6f, 0x29, 0x5a}, {0x63, 0xfa, 0xc0, 0xd0, 0x34, 0xd9, 0xf7, 0x93}},
    {{0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01}, {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, {0x61, 0x7b, 0x3a, 0x0c, 0xe8, 0xf0, 0x71, 0x00}},
    {{0x1f, 0x1f, 0x1f, 0x1f, 0x0e, 0x0e, 0x0e, 0x0e}, {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, {0xdb, 0x95, 0x86, 0x05, 0xf8, 0xc8, 0xc6, 0x06}},
    {{0xe0, 0xfe, 0xe0, 0xfe, 0xf1, 0xfe, 0xf1, 0xfe}, {0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, {0xed, 0xbf, 0xd1, 0xc6, 0x6c, 0x29, 0xcc, 0xc7}},
    {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, {0x35, 0x55, 0x50, 0xb2, 0x15, 0x0e, 0x24, 0x51}},
    {{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, {0xca, 0xaa, 0xaf, 0x4d, 0xea, 0xf1, 0xdb, 0xae}},
    {{0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef}, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, {0xd5, 0xd4, 0x4f, 0xf7, 0x20, 0x68, 0x3d, 0x0d}},
    {{0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10}, {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, {0x2a, 0x2b, 0xb0, 0x08, 0xdf, 0x97, 0xc2, 0xf2}}
};

int main() {
    for (const auto& vector : vectors) {
        alignas(16) std::array<unsigned char, 160> schedule{};
        schedule.fill(0xa5);
        Require(DES_set_key_nid_postfix(vector.key.data(), schedule.data() + 16) == 0);
        Require(std::all_of(schedule.begin(), schedule.begin() + 16, [](auto byte) { return byte == 0xa5; }));
        Require(std::all_of(schedule.end() - 16, schedule.end(), [](auto byte) { return byte == 0xa5; }));
        const auto initialized = schedule;
        for (int repeat = 0; repeat < 3; ++repeat) {
            std::array<unsigned char, 10> output{};
            output.fill(0x5a);
            DES_ecb_encrypt_nid_postfix(vector.plain.data(), output.data() + 1, schedule.data() + 16, 1);
            Require(std::equal(vector.cipher.begin(), vector.cipher.end(), output.begin() + 1));
            DES_ecb_encrypt_nid_postfix(output.data() + 1, output.data() + 1, schedule.data() + 16, 0);
            Require(std::equal(vector.plain.begin(), vector.plain.end(), output.begin() + 1));
            Require(output.front() == 0x5a && output.back() == 0x5a);
            Require(schedule == initialized && schedule.front() == 0xa5 && schedule.back() == 0xa5);
        }
    }
}