Утилита для конвертации ключей КриптоПро в нормальный PEM формат (openssl)
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/*
* GOST R 34.11-2012 core functions definitions.
*
* Copyright (c) 2013 Cryptocom LTD.
* This file is distributed under the same license as OpenSSL.
*
* Author: Alexey Degtyarev <alexey@renatasystems.org>
*
*/
#include <string.h>
#ifdef OPENSSL_IA32_SSE2
# ifdef __MMX__
# ifdef __SSE2__
# define __GOST3411_HAS_SSE2__
# endif
# endif
#endif
#ifdef __GOST3411_HAS_SSE2__
# if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
# undef __GOST3411_HAS_SSE2__
# endif
#endif
#ifndef L_ENDIAN
# define __GOST3411_BIG_ENDIAN__
#endif
#if defined __GOST3411_HAS_SSE2__
# include "gosthash2012_sse2.h"
#else
# include "gosthash2012_ref.h"
#endif
#ifdef _MSC_VER
# define ALIGN(x) __declspec(align(x))
#else
# define ALIGN(x) __attribute__ ((__aligned__(x)))
#endif
ALIGN(16)
typedef union uint512_u {
unsigned long long QWORD[8];
} uint512_u;
#include "gosthash2012_const.h"
#include "gosthash2012_precalc.h"
/* GOST R 34.11-2012 hash context */
ALIGN(16)
typedef struct gost2012_hash_ctx {
ALIGN(16) unsigned char buffer[64];
union uint512_u hash;
union uint512_u h;
union uint512_u N;
union uint512_u Sigma;
size_t bufsize;
unsigned int digest_size;
} gost2012_hash_ctx;
void init_gost2012_hash_ctx(gost2012_hash_ctx * CTX,
const unsigned int digest_size);
void gost2012_hash_block(gost2012_hash_ctx * CTX,
const unsigned char *data, size_t len);
void gost2012_finish_hash(gost2012_hash_ctx * CTX, unsigned char *digest);