Fix broken build

[openssl.git] / engines / ccgost / gost_crypt.c

diff --git a/engines/ccgost/gost_crypt.c b/engines/ccgost/gost_crypt.c
index 4977d1dcf5036a39d828aea0bbc6564b1e03a18a..a6aa4f1a1e6f69879815ede1fca1a6af3e5a349a 100644 (file)
--- a/engines/ccgost/gost_crypt.c
+++ b/engines/ccgost/gost_crypt.c
@@ -8,9 +8,18 @@
  **********************************************************************/
 #include <string.h>
 #include "gost89.h"
+#include <openssl/err.h>
 #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,
@@ -206,12 +215,13 @@ 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;
-       if (c->count&&c->key_meshing && c->count%1024==0)
+       assert(c->count%8 == 0 && c->count <= 1024);
+       if (c->key_meshing && c->count==1024)
                {
                cryptopro_key_meshing(&(c->cctx),iv);
                }       
        gostcrypt(&(c->cctx),iv,buf);
-       c->count+=8;
+       c->count = c->count%1024 + 8;
        }
 
 static void gost_cnt_next (void *ctx, unsigned char *iv, unsigned char *buf)
@@ -219,7 +229,8 @@ 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];
-       if (c->count && c->key_meshing && c->count %1024 ==0)
+       assert(c->count%8 == 0 && c->count <= 1024);
+       if (c->key_meshing && c->count==1024)
                {
                cryptopro_key_meshing(&(c->cctx),iv);
                }
@@ -231,13 +242,13 @@ static void gost_cnt_next (void *ctx, unsigned char *iv, unsigned char *buf)
                {
                memcpy(buf1,iv,8);
                }       
-       g = buf1[0]|(buf1[1]<<8)|(buf1[2]<<16)|(buf1[3]<<24);
+       g = buf1[0]|(buf1[1]<<8)|(buf1[2]<<16)|((word32)buf1[3]<<24);
        g += 0x01010101;
        buf1[0]=(unsigned char)(g&0xff);
        buf1[1]=(unsigned char)((g>>8)&0xff);
        buf1[2]=(unsigned char)((g>>16)&0xff);
        buf1[3]=(unsigned char)((g>>24)&0xff);
-       g = buf1[4]|(buf1[5]<<8)|(buf1[6]<<16)|(buf1[7]<<24);
+       g = buf1[4]|(buf1[5]<<8)|(buf1[6]<<16)|((word32)buf1[7]<<24);
        go = g;
        g += 0x01010104;
        if (go > g)      /*  overflow*/
@@ -248,7 +259,7 @@ static void gost_cnt_next (void *ctx, unsigned char *iv, unsigned char *buf)
        buf1[7]=(unsigned char)((g>>24)&0xff);
        memcpy(iv,buf1,8);
        gostcrypt(&(c->cctx),buf1,buf);
-       c->count +=8;
+       c->count = c->count%1024 + 8;
        }
 
 /* GOST encryption in CFB mode */
@@ -416,13 +427,13 @@ int gost89_set_asn1_parameters(EVP_CIPHER_CTX *ctx,ASN1_TYPE *params)
        ASN1_OCTET_STRING *os = NULL;
        if (!gcp)
                {
-               GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, GOST_R_NO_MEMORY);
+               GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, ERR_R_MALLOC_FAILURE);
                return 0;
                }
        if (!ASN1_OCTET_STRING_set(gcp->iv, ctx->iv, ctx->cipher->iv_len))
                {
                GOST_CIPHER_PARAMS_free(gcp);
-               GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, GOST_R_NO_MEMORY);
+               GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, ERR_R_MALLOC_FAILURE);
                return 0;
                }
        ASN1_OBJECT_free(gcp->enc_param_set);
@@ -433,7 +444,7 @@ int gost89_set_asn1_parameters(EVP_CIPHER_CTX *ctx,ASN1_TYPE *params)
        if (!buf)
                {
                GOST_CIPHER_PARAMS_free(gcp);
-               GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, GOST_R_NO_MEMORY);
+               GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, ERR_R_MALLOC_FAILURE);
                return 0;
                }
        i2d_GOST_CIPHER_PARAMS(gcp, &p);
@@ -444,7 +455,7 @@ int gost89_set_asn1_parameters(EVP_CIPHER_CTX *ctx,ASN1_TYPE *params)
        if(!os || !ASN1_OCTET_STRING_set(os, buf, len))
                {
                OPENSSL_free(buf);
-               GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, GOST_R_NO_MEMORY);
+               GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, ERR_R_MALLOC_FAILURE);
                return 0;
                }
        OPENSSL_free(buf);
@@ -495,7 +506,8 @@ int  gost89_get_asn1_parameters(EVP_CIPHER_CTX *ctx,ASN1_TYPE *params)
 int gost_imit_init_cpa(EVP_MD_CTX *ctx)
        {
        struct ossl_gost_imit_ctx *c = ctx->md_data;
-       memset(c->buffer,0,16);
+       memset(c->buffer,0,sizeof(c->buffer));
+       memset(c->partial_block,0,sizeof(c->partial_block));
        c->count = 0;
        c->bytes_left=0;
        c->key_meshing=1;
@@ -510,12 +522,13 @@ 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
         */
-       if (c->key_meshing&& c->count && c->count %1024 ==0)
+       assert(c->count%8 == 0 && c->count <= 1024);
+       if (c->key_meshing && c->count==1024)
                {
                cryptopro_key_meshing(&(c->cctx),buffer);
                }
        mac_block(&(c->cctx),c->buffer,data);
-       c->count +=8;
+       c->count = c->count%1024 + 8;
        }
 
 int gost_imit_update(EVP_MD_CTX *ctx, const void *data, size_t count)
@@ -564,6 +577,12 @@ int gost_imit_final(EVP_MD_CTX *ctx,unsigned char *md)
                GOSTerr(GOST_F_GOST_IMIT_FINAL, GOST_R_MAC_KEY_NOT_SET);
                return 0;
        }
+       if (c->count==0 && c->bytes_left)
+               {
+               unsigned char buffer[8];
+               memset(buffer, 0, 8);
+               gost_imit_update(ctx, buffer, 8);
+               }
        if (c->bytes_left)
                {
                int i;
@@ -613,4 +632,3 @@ int gost_imit_cleanup(EVP_MD_CTX *ctx)
        memset(ctx->md_data,0,sizeof(struct ossl_gost_imit_ctx));
        return 1;
        }
-