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Diffstat (limited to 'include/aes/data.h')
-rw-r--r-- | include/aes/data.h | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/include/aes/data.h b/include/aes/data.h deleted file mode 100644 index a441939..0000000 --- a/include/aes/data.h +++ /dev/null @@ -1,122 +0,0 @@ -// Copyright (c) 2015 Egor Tensin <Egor.Tensin@gmail.com> -// This file is part of the "AES tools" project. -// For details, see https://github.com/egor-tensin/aes-tools. -// Distributed under the MIT License. - -#pragma once - -#include <emmintrin.h> -#include <tmmintrin.h> - -#ifdef __cplusplus -extern "C" -{ -#endif - -/** - * \brief Represents a 128-bit block. - */ -typedef __m128i AES_Block128; - -/** - * \brief Loads a 128-bit block from a memory location. - * - * \param[in] src The pointer to a memory location. Must not be `NULL`. - * - * \return The loaded 128-bit block. - */ -static __inline AES_Block128 aes_load_block128(const void* src) -{ - return _mm_loadu_si128((AES_Block128*) src); -} - -/** - * \brief Loads a 128-bit block from a 16-byte aligned memory location. - * - * \param[in] src The pointer to a 16-byte aligned memory location. Must not be `NULL`. - * - * \return The loaded 128-bit block. - */ -static __inline AES_Block128 aes_load_block128_aligned(const void* src) -{ - return _mm_load_si128((AES_Block128*) src); -} - -/** - * \brief Stores a 128-bit block in a memory location. - * - * \param[out] dest The pointer to a memory location. Must not be `NULL`. - * - * \param[in] block The block to be stored. - */ -static __inline void __fastcall aes_store_block128( - void* dest, - AES_Block128 block) -{ - _mm_storeu_si128((AES_Block128*) dest, block); -} - -/** - * \brief Stores a 128-bit block in a 16-byte aligned memory location. - * - * \param[out] dest The pointer to a 16-byte aligned memory location. Must not be `NULL`. - * - * \param[in] block The block to be stored. - */ -static __inline void __fastcall aes_store_block128_aligned( - void* dest, - AES_Block128 block) -{ - _mm_store_si128((AES_Block128*) dest, block); -} - -/** - * \brief XORs two 128-bit blocks. - * - * \param[in] a The first XOR operand. - * \param[in] b The second XOR operand. - * - * \return `a^b`. - */ -static __inline AES_Block128 __fastcall aes_xor_block128( - AES_Block128 a, - AES_Block128 b) -{ - return _mm_xor_si128(a, b); -} - -/** - * \brief Builds a 128-bit block from four 4-byte values. - * - * Builds a 128-bit block like this: - * - * * dest[127:96] = hi3 - * * dest[95:64] = hi2 - * * dest[63:32] = lo1 - * * dest[31:0] = lo0 - * - * \param[in] hi3 The most significant 4-byte value. - * \param[in] hi2 The more significant 4-byte value. - * \param[in] lo1 The less significant 4-byte value. - * \param[in] lo0 The least significant 4-byte value. - * - * \return The built 128-bit block. - */ -static __inline AES_Block128 __fastcall aes_make_block128(int hi3, int hi2, int lo1, int lo0) -{ - return _mm_set_epi32(hi3, hi2, lo1, lo0); -} - -static __inline AES_Block128 __fastcall aes_reverse_byte_order_block128(AES_Block128 block) -{ - return _mm_shuffle_epi8(block, aes_make_block128(0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f)); -} - -static __inline AES_Block128 __fastcall aes_inc_block128(AES_Block128 x) -{ - return _mm_add_epi32(x, aes_make_block128(0, 0, 0, 1)); -} - -#ifdef __cplusplus -} -#endif |