/**
 * \file
 * \author Egor Tensin <Egor.Tensin@gmail.com>
 * \date 2015
 * \copyright This file is licensed under the terms of the MIT License.
 *            See LICENSE.txt for details.
 */

#pragma once

#include <emmintrin.h>

typedef __m128i AesBlock128;

static __inline AesBlock128 __fastcall make_aes_block128(int hi3, int hi2, int lo1, int lo0)
{
    return _mm_set_epi32(hi3, hi2, lo1, lo0);
}

typedef struct
{
    AesBlock128 hi;
    AesBlock128 lo;
}
AesBlock192;

static __inline AesBlock192 __fastcall make_aes_block192(int hi5, int hi4, int lo3, int lo2, int lo1, int lo0)
{
    return (AesBlock192) { .hi = make_aes_block128(0, 0, hi5, hi4), .lo = make_aes_block128(lo3, lo2, lo1, lo0) };
}

typedef struct
{
    AesBlock128 hi;
    AesBlock128 lo;
}
AesBlock256;

static __inline AesBlock256 __fastcall make_aes_block256(int hi7, int hi6, int hi5, int hi4, int lo3, int lo2, int lo1, int lo0)
{
    return (AesBlock256) { .hi = make_aes_block128(hi7, hi6, hi5, hi4), .lo = make_aes_block128(lo3, lo2, lo1, lo0) };
}

typedef struct
{
    AesBlock128 keys[11];
}
Aes128KeySchedule;

typedef struct
{
    AesBlock128 keys[13];
    char fillers[8];
}
Aes192KeySchedule;

typedef struct
{
    AesBlock128 keys[15];
}
Aes256KeySchedule;

static __inline AesBlock128 __fastcall aes128_le2be(AesBlock128 block)
{
    __declspec(align(16)) char xs[16];
    _mm_store_si128((__m128i*) xs, block);
    return _mm_set_epi8(xs[0], xs[1], xs[2], xs[3], xs[4], xs[5], xs[6], xs[7], xs[8], xs[9], xs[10], xs[11], xs[12], xs[13], xs[14], xs[15]);
}

static __inline AesBlock128 __fastcall aes128_be2le(AesBlock128 block)
{
    return aes128_le2be(block);
}

typedef struct { char str[33]; } AesBlockString128;
typedef struct { char str[49]; } AesBlockString192;
typedef struct { char str[65]; } AesBlockString256;

AesBlockString128 format_aes_block128(AesBlock128*);
AesBlockString192 format_aes_block192(AesBlock192*);
AesBlockString256 format_aes_block256(AesBlock256*);

AesBlockString128 format_aes_block128_fips_style(AesBlock128*);
AesBlockString192 format_aes_block192_fips_style(AesBlock192*);
AesBlockString256 format_aes_block256_fips_style(AesBlock256*);

typedef struct { char str[49]; } AesBlockMatrixString128;
typedef struct { char str[73]; } AesBlockMatrixString192;
typedef struct { char str[97]; } AesBlockMatrixString256;

AesBlockMatrixString128 format_aes_block128_fips_matrix_style(AesBlock128*);
AesBlockMatrixString192 format_aes_block192_fips_matrix_style(AesBlock192*);
AesBlockMatrixString256 format_aes_block256_fips_matrix_style(AesBlock256*);

void print_aes_block128(AesBlock128*);
void print_aes_block192(AesBlock192*);
void print_aes_block256(AesBlock256*);

void print_aes_block128_fips_style(AesBlock128*);
void print_aes_block192_fips_style(AesBlock192*);
void print_aes_block256_fips_style(AesBlock256*);

void print_aes_block128_fips_matrix_style(AesBlock128*);
void print_aes_block192_fips_matrix_style(AesBlock192*);
void print_aes_block256_fips_matrix_style(AesBlock256*);

int parse_aes_block128(AesBlock128*, const char*);
int parse_aes_block192(AesBlock192*, const char*);
int parse_aes_block256(AesBlock256*, const char*);

int parse_aes_block128_fips_style(AesBlock128*, const char*);
int parse_aes_block192_fips_style(AesBlock192*, const char*);
int parse_aes_block256_fips_style(AesBlock256*, const char*);