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/**
* \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.
*/
#include "aesni/all.h"
#include <intrin.h>
#include <stdio.h>
#include <string.h>
AesBlockString128 format_aes_block128(AesBlock128* block)
{
#if defined LIBAESNI_BE_IO_BY_DEFAULT && LIBAESNI_BE_IO_BY_DEFAULT
return format_aes_block128_be(block);
#else
return format_aes_block128_le(block);
#endif
}
AesBlockString192 format_aes_block192(AesBlock192* block)
{
#if defined LIBAESNI_BE_IO_BY_DEFAULT && LIBAESNI_BE_IO_BY_DEFAULT
return format_aes_block192_be(block);
#else
return format_aes_block192_le(block);
#endif
}
AesBlockString256 format_aes_block256(AesBlock256* block)
{
#if defined LIBAESNI_BE_IO_BY_DEFAULT && LIBAESNI_BE_IO_BY_DEFAULT
return format_aes_block256_be(block);
#else
return format_aes_block256_le(block);
#endif
}
AesBlockString128 format_aes_block128_le(AesBlock128* block)
{
AesBlockString128 result;
char *cursor = result.str;
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) block + 15 - i));
*cursor = '\0';
return result;
}
AesBlockString192 format_aes_block192_le(AesBlock192* block)
{
AesBlockString192 result;
char *cursor = result.str;
for (int i = 0; i < 8; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->hi + 7 - i));
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->lo + 15 - i));
*cursor = '\0';
return result;
}
AesBlockString256 format_aes_block256_le(AesBlock256* block)
{
AesBlockString256 result;
char *cursor = result.str;
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->hi + 15 - i));
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->lo + 15 - i));
*cursor = '\0';
return result;
}
AesBlockString128 format_aes_block128_be(AesBlock128* block)
{
AesBlockString128 result;
char *cursor = result.str;
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) block + i));
*cursor = '\0';
return result;
}
AesBlockString192 format_aes_block192_be(AesBlock192* block)
{
AesBlockString192 result;
char *cursor = result.str;
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->lo + i));
for (int i = 0; i < 8; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->hi + i));
*cursor = '\0';
return result;
}
AesBlockString256 format_aes_block256_be(AesBlock256* block)
{
AesBlockString256 result;
char *cursor = result.str;
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->lo + i));
for (int i = 0; i < 16; ++i, cursor += 2)
sprintf(cursor, "%02x", *((unsigned char*) &block->hi + i));
*cursor = '\0';
return result;
}
AesBlockMatrixString128 format_aes_block128_as_matrix(AesBlock128* block)
{
return format_aes_block128_be_as_matrix(block);
}
AesBlockMatrixString192 format_aes_block192_as_matrix(AesBlock192* block)
{
return format_aes_block192_be_as_matrix(block);
}
AesBlockMatrixString256 format_aes_block256_as_matrix(AesBlock256* block)
{
return format_aes_block256_be_as_matrix(block);
}
AesBlockMatrixString128 format_aes_block128_be_as_matrix(AesBlock128* block)
{
__declspec(align(16)) unsigned char bytes[4][4];
AesBlockMatrixString128 result;
char* cursor = result.str;
_mm_store_si128((AesBlock128*) bytes, *block);
for (int i = 0; i < 4; ++i, cursor += 3)
{
for (int j = 0; j < 3; ++j, cursor += 3)
sprintf(cursor, "%02x ", bytes[j][i]);
sprintf(cursor, "%02x\n", bytes[3][i]);
}
*cursor = '\0';
return result;
}
AesBlockMatrixString192 format_aes_block192_be_as_matrix(AesBlock192* block)
{
__declspec(align(16)) unsigned char bytes[8][4];
AesBlockMatrixString192 result;
char* cursor = result.str;
_mm_store_si128((AesBlock128*) bytes, block->lo);
_mm_store_si128((AesBlock128*) bytes + 1, block->hi);
for (int i = 0; i < 4; ++i, cursor += 3)
{
for (int j = 0; j < 5; ++j, cursor += 3)
sprintf(cursor, "%02x ", bytes[j][i]);
sprintf(cursor, "%02x\n", bytes[5][i]);
}
*cursor = '\0';
return result;
}
AesBlockMatrixString256 format_aes_block256_be_as_matrix(AesBlock256* block)
{
__declspec(align(16)) unsigned char bytes[8][4];
AesBlockMatrixString256 result;
char* cursor = result.str;
_mm_store_si128((AesBlock128*) bytes, block->lo);
_mm_store_si128((AesBlock128*) bytes + 1, block->hi);
for (int i = 0; i < 4; ++i, cursor += 3)
{
for (int j = 0; j < 7; ++j, cursor += 3)
sprintf(cursor, "%02x ", bytes[j][i]);
sprintf(cursor, "%02x\n", bytes[7][i]);
}
*cursor = '\0';
return result;
}
void print_aes_block128(AesBlock128* block)
{
printf("%s\n", format_aes_block128(block).str);
}
void print_aes_block192(AesBlock192* block)
{
printf("%s\n", format_aes_block192(block).str);
}
void print_aes_block256(AesBlock256* block)
{
printf("%s\n", format_aes_block256(block).str);
}
void print_aes_block128_le(AesBlock128* block)
{
printf("%s\n", format_aes_block128_le(block).str);
}
void print_aes_block192_le(AesBlock192* block)
{
printf("%s\n", format_aes_block192_le(block).str);
}
void print_aes_block256_le(AesBlock256* block)
{
printf("%s\n", format_aes_block256_le(block).str);
}
void print_aes_block128_be(AesBlock128* block)
{
printf("%s\n", format_aes_block128_be(block).str);
}
void print_aes_block192_be(AesBlock192* block)
{
printf("%s\n", format_aes_block192_be(block).str);
}
void print_aes_block256_be(AesBlock256* block)
{
printf("%s\n", format_aes_block256_be(block).str);
}
void print_aes_block128_as_matrix(AesBlock128* block)
{
printf("%s\n", format_aes_block128(block).str);
}
void print_aes_block192_as_matrix(AesBlock192* block)
{
printf("%s\n", format_aes_block192(block).str);
}
void print_aes_block256_as_matrix(AesBlock256* block)
{
printf("%s\n", format_aes_block256(block).str);
}
void print_aes_block128_be_as_matrix(AesBlock128* block)
{
printf("%s", format_aes_block128_be_as_matrix(block).str);
}
void print_aes_block192_be_as_matrix(AesBlock192* block)
{
printf("%s", format_aes_block192_be_as_matrix(block).str);
}
void print_aes_block256_be_as_matrix(AesBlock256* block)
{
printf("%s", format_aes_block256_be_as_matrix(block).str);
}
int parse_aes_block128(AesBlock128* block, const char* src)
{
#if defined LIBAESNI_BE_IO_BY_DEFAULT && LIBAESNI_BE_IO_BY_DEFAULT
return parse_aes_block128_be(block, src);
#else
return parse_aes_block128_le(block, src);
#endif
}
int parse_aes_block192(AesBlock192* block, const char* src)
{
#if defined LIBAESNI_BE_IO_BY_DEFAULT && LIBAESNI_BE_IO_BY_DEFAULT
return parse_aes_block192_be(block, src);
#else
return parse_aes_block192_le(block, src);
#endif
}
int parse_aes_block256(AesBlock256* block, const char* src)
{
#if defined LIBAESNI_BE_IO_BY_DEFAULT && LIBAESNI_BE_IO_BY_DEFAULT
return parse_aes_block256_be(block, src);
#else
return parse_aes_block256_le(block, src);
#endif
}
int parse_aes_block128_le(AesBlock128* block, const char* src)
{
int n, xs[4];
if (sscanf(src, "%8x%8x%8x%8x%n", &xs[0], &xs[1], &xs[2], &xs[3], &n) != 4
|| n != strlen(src))
return 1;
*block = make_aes_block128(xs[0], xs[1], xs[2], xs[3]);
return 0;
}
int parse_aes_block192_le(AesBlock192* block, const char* src)
{
int n, xs[6];
if (sscanf(src, "%8x%8x%8x%8x%8x%8x%n", &xs[0], &xs[1], &xs[2], &xs[3], &xs[4], &xs[5], &n) != 6
|| n != strlen(src))
return 1;
*block = make_aes_block192(xs[0], xs[1], xs[2], xs[3], xs[4], xs[5]);
return 0;
}
int parse_aes_block256_le(AesBlock256* block, const char* src)
{
int n, xs[8];
if (sscanf(src, "%8x%8x%8x%8x%8x%8x%8x%8x%n", &xs[0], &xs[1], &xs[2], &xs[3], &xs[4], &xs[5], &xs[6], &xs[7], &n) != 8
|| n != strlen(src))
return 1;
*block = make_aes_block256(xs[0], xs[1], xs[2], xs[3], xs[4], xs[5], xs[6], xs[7]);
return 0;
}
int parse_aes_block128_be(AesBlock128* block, const char* src)
{
unsigned char bytes[16];
for (int i = 0; i < 16; ++i)
{
int n;
unsigned int byte;
if (sscanf(src, "%2x%n", &byte, &n) != 1)
return 1;
bytes[i] = (unsigned char) byte;
src += n;
}
*block = _mm_loadu_si128((AesBlock128*) bytes);
return 0;
}
int parse_aes_block192_be(AesBlock192* block, const char* src)
{
AesBlock128 lo, hi;
unsigned char lo_bytes[16], hi_bytes[16] = { 0 };
for (int i = 0; i < 16; ++i)
{
int n;
unsigned int byte;
if (sscanf(src, "%2x%n", &byte, &n) != 1)
return 1;
lo_bytes[i] = (unsigned char) byte;
src += n;
}
lo = _mm_loadu_si128((AesBlock128*) lo_bytes);
for (int i = 0; i < 8; ++i)
{
int n;
unsigned int byte;
if (sscanf(src, "%2x%n", &byte, &n) != 1)
return 1;
hi_bytes[i] = (unsigned char) byte;
src += n;
}
hi = _mm_loadu_si128((AesBlock128*) hi_bytes);
block->hi = hi;
block->lo = lo;
return 0;
}
int parse_aes_block256_be(AesBlock256* block, const char* src)
{
AesBlock128 lo, hi;
unsigned char lo_bytes[16], hi_bytes[16];
for (int i = 0; i < 16; ++i)
{
int n;
unsigned int byte;
if (sscanf(src, "%2x%n", &byte, &n) != 1)
return 1;
lo_bytes[i] = (unsigned char) byte;
src += n;
}
lo = _mm_loadu_si128((AesBlock128*) lo_bytes);
for (int i = 0; i < 16; ++i)
{
int n;
unsigned int byte;
if (sscanf(src, "%2x%n", &byte, &n) != 1)
return 1;
hi_bytes[i] = (unsigned char) byte;
src += n;
}
hi = _mm_loadu_si128((AesBlock128*) hi_bytes);
block->hi = hi;
block->lo = lo;
return 0;
}
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