Commit a0dcb8d8 authored by Andy Polyakov's avatar Andy Polyakov
Browse files

gost_crypt.c: add assertions. 

Submitted by: Seguei Leontiev
PR: 2821
parent 26906f2d

engines/ccgost/gost_crypt.c

+11 −0
Original line number Diff line number Diff line
@@ -11,6 +11,14 @@ 
#include <openssl/rand.h>

#include "e_gost_err.h"

#include "gost_lcl.h"



#if !defined(CCGOST_DEBUG) && !defined(DEBUG)

# ifndef NDEBUG

#  define NDEBUG

# endif

#endif

#include <assert.h>



static int gost_cipher_init(EVP_CIPHER_CTX *ctx, const unsigned char *key, 

	const unsigned char *iv, int enc);

static int	gost_cipher_init_cpa(EVP_CIPHER_CTX *ctx, const unsigned char *key,
@@ -206,6 +214,7 @@ int gost_cipher_init(EVP_CIPHER_CTX *ctx, const unsigned char *key, 
static void gost_crypt_mesh (void *ctx,unsigned char *iv,unsigned char *buf)

	{

	struct ossl_gost_cipher_ctx *c = ctx;

	assert(c->count%8 == 0 && c->count <= 1024);

	if (c->key_meshing && c->count==1024)

		{

		cryptopro_key_meshing(&(c->cctx),iv);
@@ -219,6 +228,7 @@ static void gost_cnt_next (void *ctx, unsigned char *iv, unsigned char *buf) 
	struct ossl_gost_cipher_ctx *c = ctx;

	word32 g,go;

	unsigned char buf1[8];

	assert(c->count%8 == 0 && c->count <= 1024);

	if (c->key_meshing && c->count==1024)

		{

		cryptopro_key_meshing(&(c->cctx),iv);
@@ -511,6 +521,7 @@ static void mac_block_mesh(struct ossl_gost_imit_ctx *c,const unsigned char *dat 
	 * interpret internal state of MAC algorithm as iv during keymeshing

	 * (but does initialize internal state from iv in key transport

	 */

	assert(c->count%8 == 0 && c->count <= 1024);

	if (c->key_meshing && c->count==1024)

		{

		cryptopro_key_meshing(&(c->cctx),buffer);