Some code clarity

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

diff --git a/gost_ameth.c b/gost_ameth.c
index 34f6f8131ce65b839501d4089781f937947b88d2..b2333a4ea6cc32c348122f59489b0dd9894eaaec 100644 (file)
--- a/gost_ameth.c
+++ b/gost_ameth.c
@@ -665,9 +665,8 @@ static int pub_decode_gost_ec(EVP_PKEY *pk, X509_PUBKEY *pub)
         ASN1_OCTET_STRING_free(octet);
         return 0;
     }
-    for (i = 0, j = octet->length - 1; i < octet->length; i++, j--) {
-        databuf[j] = octet->data[i];
-    }
+
+               BUF_reverse(databuf, octet->data, octet->length);
     len = octet->length / 2;
     ASN1_OCTET_STRING_free(octet);
 
@@ -707,11 +706,11 @@ static int pub_encode_gost_ec(X509_PUBKEY *pub, const EVP_PKEY *pk)
     int ptype = V_ASN1_UNDEF;
 
     algobj = OBJ_nid2obj(EVP_PKEY_base_id(pk));
-    if (EVP_PKEY_save_parameters((EVP_PKEY *)pk, -1)) {
-        ASN1_STRING *params = encode_gost_algor_params(pk);
-        pval = params;
-        ptype = V_ASN1_SEQUENCE;
-    }
+
+               ASN1_STRING *params = encode_gost_algor_params(pk);
+               pval = params;
+               ptype = V_ASN1_SEQUENCE;
+
     order = BN_new();
     if (!order) {
         GOSTerr(GOST_F_PUB_ENCODE_GOST_EC, ERR_R_MALLOC_FAILURE);
@@ -735,12 +734,11 @@ static int pub_encode_gost_ec(X509_PUBKEY *pub, const EVP_PKEY *pk)
         goto err;
     }
     data_len = 2 * BN_num_bytes(order);
-    databuf = OPENSSL_malloc(data_len);
+    databuf = OPENSSL_zalloc(data_len);
     if (databuf == NULL) {
         GOSTerr(GOST_F_PUB_ENCODE_GOST_EC, ERR_R_MALLOC_FAILURE);
         goto err;
     }
-    memset(databuf, 0, data_len);
 
     store_bignum(X, databuf + data_len / 2, data_len / 2);
     store_bignum(Y, databuf, data_len / 2);