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cipher/sha512.c

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#include <config.h> #include <config.h>
#include <string.h> #include <string.h>
#include "g10lib.h" #include "g10lib.h"
#include "bithelp.h" #include "bithelp.h"
#include "bufhelp.h" #include "bufhelp.h"
#include "cipher.h" #include "cipher.h"
#include "hash-common.h" #include "hash-common.h"
#include "sha2-common.h"
/* USE_ARM_NEON_ASM indicates whether to enable ARM NEON assembly code. */
#undef USE_ARM_NEON_ASM
#ifdef ENABLE_NEON_SUPPORT
# if defined(HAVE_ARM_ARCH_V6) && defined(__ARMEL__) \
&& defined(HAVE_COMPATIBLE_GCC_ARM_PLATFORM_AS) \
&& defined(HAVE_GCC_INLINE_ASM_NEON)
# define USE_ARM_NEON_ASM 1
# endif
#endif /*ENABLE_NEON_SUPPORT*/
/* USE_ARM_ASM indicates whether to enable ARM assembly code. */
#undef USE_ARM_ASM
#if defined(__ARMEL__) && defined(HAVE_COMPATIBLE_GCC_ARM_PLATFORM_AS)
# define USE_ARM_ASM 1
#endif
/* USE_SSSE3 indicates whether to compile with Intel SSSE3 code. */
#undef USE_SSSE3
#if defined(__x86_64__) && defined(HAVE_GCC_INLINE_ASM_SSSE3) && \
defined(HAVE_INTEL_SYNTAX_PLATFORM_AS) && \
(defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) || \
defined(HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS))
# define USE_SSSE3 1
#endif
/* USE_AVX indicates whether to compile with Intel AVX code. */
#undef USE_AVX
#if defined(__x86_64__) && defined(HAVE_GCC_INLINE_ASM_AVX) && \
defined(HAVE_INTEL_SYNTAX_PLATFORM_AS) && \
(defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) || \
defined(HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS))
# define USE_AVX 1
#endif
/* USE_AVX2 indicates whether to compile with Intel AVX2/rorx code. */
#undef USE_AVX2
#if defined(__x86_64__) && defined(HAVE_GCC_INLINE_ASM_AVX2) && \
defined(HAVE_GCC_INLINE_ASM_BMI2) && \
defined(HAVE_INTEL_SYNTAX_PLATFORM_AS) && \
(defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) || \
defined(HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS))
# define USE_AVX2 1
#endif
typedef struct typedef struct
{ {
u64 h0, h1, h2, h3, h4, h5, h6, h7; u64 h0, h1, h2, h3, h4, h5, h6, h7;
} SHA512_STATE; } SHA512_STATE;
typedef struct typedef struct
{ {
gcry_md_block_ctx_t bctx; gcry_md_block_ctx_t bctx;
SHA512_STATE state; SHA512_STATE state;
} SHA512_CONTEXT; } SHA512_CONTEXT;
static const u64 k[] =
{
U64_C(0x428a2f98d728ae22), U64_C(0x7137449123ef65cd),
U64_C(0xb5c0fbcfec4d3b2f), U64_C(0xe9b5dba58189dbbc),
U64_C(0x3956c25bf348b538), U64_C(0x59f111f1b605d019),
U64_C(0x923f82a4af194f9b), U64_C(0xab1c5ed5da6d8118),
U64_C(0xd807aa98a3030242), U64_C(0x12835b0145706fbe),
U64_C(0x243185be4ee4b28c), U64_C(0x550c7dc3d5ffb4e2),
U64_C(0x72be5d74f27b896f), U64_C(0x80deb1fe3b1696b1),
U64_C(0x9bdc06a725c71235), U64_C(0xc19bf174cf692694),
U64_C(0xe49b69c19ef14ad2), U64_C(0xefbe4786384f25e3),
U64_C(0x0fc19dc68b8cd5b5), U64_C(0x240ca1cc77ac9c65),
U64_C(0x2de92c6f592b0275), U64_C(0x4a7484aa6ea6e483),
U64_C(0x5cb0a9dcbd41fbd4), U64_C(0x76f988da831153b5),
U64_C(0x983e5152ee66dfab), U64_C(0xa831c66d2db43210),
U64_C(0xb00327c898fb213f), U64_C(0xbf597fc7beef0ee4),
U64_C(0xc6e00bf33da88fc2), U64_C(0xd5a79147930aa725),
U64_C(0x06ca6351e003826f), U64_C(0x142929670a0e6e70),
U64_C(0x27b70a8546d22ffc), U64_C(0x2e1b21385c26c926),
U64_C(0x4d2c6dfc5ac42aed), U64_C(0x53380d139d95b3df),
U64_C(0x650a73548baf63de), U64_C(0x766a0abb3c77b2a8),
U64_C(0x81c2c92e47edaee6), U64_C(0x92722c851482353b),
U64_C(0xa2bfe8a14cf10364), U64_C(0xa81a664bbc423001),
U64_C(0xc24b8b70d0f89791), U64_C(0xc76c51a30654be30),
U64_C(0xd192e819d6ef5218), U64_C(0xd69906245565a910),
U64_C(0xf40e35855771202a), U64_C(0x106aa07032bbd1b8),
U64_C(0x19a4c116b8d2d0c8), U64_C(0x1e376c085141ab53),
U64_C(0x2748774cdf8eeb99), U64_C(0x34b0bcb5e19b48a8),
U64_C(0x391c0cb3c5c95a63), U64_C(0x4ed8aa4ae3418acb),
U64_C(0x5b9cca4f7763e373), U64_C(0x682e6ff3d6b2b8a3),
U64_C(0x748f82ee5defb2fc), U64_C(0x78a5636f43172f60),
U64_C(0x84c87814a1f0ab72), U64_C(0x8cc702081a6439ec),
U64_C(0x90befffa23631e28), U64_C(0xa4506cebde82bde9),
U64_C(0xbef9a3f7b2c67915), U64_C(0xc67178f2e372532b),
U64_C(0xca273eceea26619c), U64_C(0xd186b8c721c0c207),
U64_C(0xeada7dd6cde0eb1e), U64_C(0xf57d4f7fee6ed178),
U64_C(0x06f067aa72176fba), U64_C(0x0a637dc5a2c898a6),
U64_C(0x113f9804bef90dae), U64_C(0x1b710b35131c471b),
U64_C(0x28db77f523047d84), U64_C(0x32caab7b40c72493),
U64_C(0x3c9ebe0a15c9bebc), U64_C(0x431d67c49c100d4c),
U64_C(0x4cc5d4becb3e42b6), U64_C(0x597f299cfc657e2a),
U64_C(0x5fcb6fab3ad6faec), U64_C(0x6c44198c4a475817)
};
/* AMD64 assembly implementations use SystemV ABI, ABI conversion and additional /* AMD64 assembly implementations use SystemV ABI, ABI conversion and additional
* stack to store XMM6-XMM15 needed on Win64. */ * stack to store XMM6-XMM15 needed on Win64. */
#undef ASM_FUNC_ABI #undef ASM_FUNC_ABI
#undef ASM_EXTRA_STACK #undef ASM_EXTRA_STACK
#if defined(USE_SSSE3) || defined(USE_AVX) || defined(USE_AVX2) #if defined(USE_SSSE3) || defined(USE_AVX) || defined(USE_AVX2)
# ifdef HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS # ifdef HAVE_COMPATIBLE_GCC_WIN64_PLATFORM_AS
# define ASM_FUNC_ABI __attribute__((sysv_abi)) # define ASM_FUNC_ABI __attribute__((sysv_abi))
# define ASM_EXTRA_STACK (10 * 16 + 4 * sizeof(void *)) # define ASM_EXTRA_STACK (10 * 16 + 4 * sizeof(void *))
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do_sha512_transform_armv7_neon(void *ctx, const unsigned char *data, do_sha512_transform_armv7_neon(void *ctx, const unsigned char *data,
size_t nblks) size_t nblks)
{ {
SHA512_CONTEXT *hd = ctx; SHA512_CONTEXT *hd = ctx;
return _gcry_sha512_transform_armv7_neon (&hd->state, data, k, nblks); return _gcry_sha512_transform_armv7_neon (&hd->state, data, k, nblks);
} }
#endif #endif
#ifdef USE_PPC_ASM
void sha512_block_p8 (SHA512_STATE *hd,
const unsigned char *data,
size_t len, const u64 k[]);
static unsigned int
do_sha512_transform_ppc8 (void *ctx, const unsigned char *data,
size_t nblks)
{
SHA512_CONTEXT *hd = ctx;
sha512_block_p8 (&hd->state, data, nblks, k);
return 128; /* uses 128 bytes of stack space */
}
#endif
#ifdef USE_SSSE3 #ifdef USE_SSSE3
unsigned int _gcry_sha512_transform_amd64_ssse3(const void *input_data, unsigned int _gcry_sha512_transform_amd64_ssse3(const void *input_data,
void *state, void *state,
size_t num_blks) ASM_FUNC_ABI; size_t num_blks) ASM_FUNC_ABI;
static unsigned int static unsigned int
do_sha512_transform_amd64_ssse3(void *ctx, const unsigned char *data, do_sha512_transform_amd64_ssse3(void *ctx, const unsigned char *data,
size_t nblks) size_t nblks)
▲ Show 20 Lines • Show All 68 Lines • ▼ Show 20 Linessha512_init_common (SHA512_CONTEXT *ctx, unsigned int flags)
/* Order of feature checks is important here; last match will be /* Order of feature checks is important here; last match will be
* selected. Keep slower implementations at the top and faster at * selected. Keep slower implementations at the top and faster at
* the bottom. */ * the bottom. */
ctx->bctx.bwrite = do_transform_generic; ctx->bctx.bwrite = do_transform_generic;
#ifdef USE_ARM_NEON_ASM #ifdef USE_ARM_NEON_ASM
if ((features & HWF_ARM_NEON) != 0) if ((features & HWF_ARM_NEON) != 0)
ctx->bctx.bwrite = do_sha512_transform_armv7_neon; ctx->bctx.bwrite = do_sha512_transform_armv7_neon;
#endif #endif
#ifdef USE_PPC_ASM
if ((features & HWF_PPC_VCRYPTO) != 0)
ctx->bctx.bwrite = do_sha512_transform_ppc8;
#endif
#ifdef USE_SSSE3 #ifdef USE_SSSE3
if ((features & HWF_INTEL_SSSE3) != 0) if ((features & HWF_INTEL_SSSE3) != 0)
ctx->bctx.bwrite = do_sha512_transform_amd64_ssse3; ctx->bctx.bwrite = do_sha512_transform_amd64_ssse3;
#endif #endif
#ifdef USE_AVX #ifdef USE_AVX
if ((features & HWF_INTEL_AVX) && (features & HWF_INTEL_FAST_SHLD)) if ((features & HWF_INTEL_AVX) && (features & HWF_INTEL_FAST_SHLD))
ctx->bctx.bwrite = do_sha512_transform_amd64_avx; ctx->bctx.bwrite = do_sha512_transform_amd64_avx;
#endif #endif
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