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authorEgor Tensin <Egor.Tensin@gmail.com>2016-05-19 04:13:47 +0300
committerEgor Tensin <Egor.Tensin@gmail.com>2016-05-19 04:13:47 +0300
commitaebc96e6efc369c09a95fb641ca90935930cf19b (patch)
tree38db5723b71c13804a88e9e129f9a20807b78f4e /include/aesni/data.h
parentREADME update (diff)
downloadaes-tools-aebc96e6efc369c09a95fb641ca90935930cf19b.tar.gz
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rename the project
Diffstat (limited to 'include/aesni/data.h')
-rw-r--r--include/aesni/data.h125
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diff --git a/include/aesni/data.h b/include/aesni/data.h
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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.
- */
-
-#pragma once
-
-#include <emmintrin.h>
-#include <tmmintrin.h>
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-/**
- * \brief Represents a 128-bit block.
- */
-typedef __m128i AesNI_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 AesNI_Block128 aesni_load_block128(const void* src)
-{
- return _mm_loadu_si128((AesNI_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 AesNI_Block128 aesni_load_block128_aligned(const void* src)
-{
- return _mm_load_si128((AesNI_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 aesni_store_block128(
- void* dest,
- AesNI_Block128 block)
-{
- _mm_storeu_si128((AesNI_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 aesni_store_block128_aligned(
- void* dest,
- AesNI_Block128 block)
-{
- _mm_store_si128((AesNI_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 AesNI_Block128 __fastcall aesni_xor_block128(
- AesNI_Block128 a,
- AesNI_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 AesNI_Block128 __fastcall aesni_make_block128(int hi3, int hi2, int lo1, int lo0)
-{
- return _mm_set_epi32(hi3, hi2, lo1, lo0);
-}
-
-static __inline AesNI_Block128 __fastcall aesni_reverse_byte_order_block128(AesNI_Block128 block)
-{
- return _mm_shuffle_epi8(block, aesni_make_block128(0x00010203, 0x04050607, 0x08090a0b, 0x0c0d0e0f));
-}
-
-static __inline AesNI_Block128 __fastcall aesni_inc_block128(AesNI_Block128 x)
-{
- return _mm_add_epi32(x, aesni_make_block128(0, 0, 0, 1));
-}
-
-#ifdef __cplusplus
-}
-#endif