Tests updated to support GOST2001DH

[openssl-gost/engine.git] / gost_crypt.c

diff --git a/gost_crypt.c b/gost_crypt.c
index a649e72ded26c111cb5d92154b01dd3a525439e0..e9f311eb35c411adc6ccf154c34be3b3b00b2071 100644 (file)
--- a/gost_crypt.c
+++ b/gost_crypt.c
@@ -610,11 +610,13 @@ int gost_cipher_do_cbc(EVP_CIPHER_CTX *ctx, unsigned char *out,
         }
     } else {
         while (inl > 0) {
+            unsigned char tmpiv[8];
             gostdecrypt(&(c->cctx), in_ptr, b);
+            memcpy(tmpiv, in_ptr, 8);
             for (i = 0; i < 8; i++) {
                 out_ptr[i] = iv[i] ^ b[i];
             }
-            memcpy(iv, in_ptr, 8);
+            memcpy(iv, tmpiv, 8);
             out_ptr += 8;
             in_ptr += 8;
             inl -= 8;
@@ -1001,7 +1003,6 @@ int gost89_set_asn1_parameters(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params)
 /* Store parameters into ASN1 structure */
 int gost89_get_asn1_parameters(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params)
 {
-    int ret = -1;
     int len;
     GOST_CIPHER_PARAMS *gcp = NULL;
     unsigned char *p;
@@ -1009,7 +1010,7 @@ int gost89_get_asn1_parameters(EVP_CIPHER_CTX *ctx, ASN1_TYPE *params)
     int nid;
 
     if (ASN1_TYPE_get(params) != V_ASN1_SEQUENCE) {
-        return ret;
+        return -1;
     }
 
     p = params->value.sequence->data;
@@ -1088,12 +1089,13 @@ int gost_imit_update(EVP_MD_CTX *ctx, const void *data, size_t count)
 {
     struct ossl_gost_imit_ctx *c = EVP_MD_CTX_md_data(ctx);
     const unsigned char *p = data;
-    size_t bytes = count, i;
+    size_t bytes = count;
     if (!(c->key_set)) {
         GOSTerr(GOST_F_GOST_IMIT_UPDATE, GOST_R_MAC_KEY_NOT_SET);
         return 0;
     }
     if (c->bytes_left) {
+        size_t i;
         for (i = c->bytes_left; i < 8 && bytes > 0; bytes--, i++, p++) {
             c->partial_block[i] = *p;
         }