Build with -Werror

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

diff --git a/gost_ameth.c b/gost_ameth.c
index 8dc47f141c5f9e3ad5b1576014b0ad7fc5d8de1a..8c2645061fa3fd6b195600447314305297265204 100644 (file)
--- a/gost_ameth.c
+++ b/gost_ameth.c
@@ -23,7 +23,7 @@
  * Pack bignum into byte buffer of given size, filling all leading bytes by
  * zeros
  */
-int store_bignum(BIGNUM *bn, unsigned char *buf, int len)
+int store_bignum(const BIGNUM *bn, unsigned char *buf, int len)
 {
     int bytes = BN_num_bytes(bn);
 
@@ -129,9 +129,9 @@ static int gost_decode_nid_params(EVP_PKEY *pkey, int pkey_nid, int param_nid)
  * Parses GOST algorithm parameters from X509_ALGOR and modifies pkey setting
  * NID and parameters
  */
-static int decode_gost_algor_params(EVP_PKEY *pkey, X509_ALGOR *palg)
+static int decode_gost_algor_params(EVP_PKEY *pkey, const X509_ALGOR *palg)
 {
-    ASN1_OBJECT *palg_obj = NULL;
+    const ASN1_OBJECT *palg_obj = NULL;
     int ptype = V_ASN1_UNDEF;
     int pkey_nid = NID_undef, param_nid = NID_undef;
     ASN1_STRING *pval = NULL;
@@ -140,7 +140,7 @@ static int decode_gost_algor_params(EVP_PKEY *pkey, X509_ALGOR *palg)
 
     if (!pkey || !palg)
         return 0;
-    X509_ALGOR_get0(&palg_obj, &ptype, (void **)&pval, palg);
+    X509_ALGOR_get0(&palg_obj, &ptype, (const void **)&pval, palg);
     if (ptype != V_ASN1_SEQUENCE) {
         GOSTerr(GOST_F_DECODE_GOST_ALGOR_PARAMS,
                 GOST_R_BAD_KEY_PARAMETERS_FORMAT);
@@ -329,14 +329,14 @@ static BIGNUM *unmask_priv_key(EVP_PKEY *pk,
     return pknum_masked;
 }
 
-static int priv_decode_gost(EVP_PKEY *pk, PKCS8_PRIV_KEY_INFO *p8inf)
+static int priv_decode_gost(EVP_PKEY *pk, const PKCS8_PRIV_KEY_INFO *p8inf)
 {
     const unsigned char *pkey_buf = NULL, *p = NULL;
     int priv_len = 0;
     BIGNUM *pk_num = NULL;
     int ret = 0;
-    X509_ALGOR *palg = NULL;
-    ASN1_OBJECT *palg_obj = NULL;
+    const X509_ALGOR *palg = NULL;
+    const ASN1_OBJECT *palg_obj = NULL;
     ASN1_INTEGER *priv_key = NULL;
     int expected_key_len = 32;
 
@@ -742,15 +742,17 @@ static int pub_encode_gost_ec(X509_PUBKEY *pub, const EVP_PKEY *pk)
     store_bignum(X, databuf + data_len / 2, data_len / 2);
     store_bignum(Y, databuf, data_len / 2);
 
+               BUF_reverse(NULL, databuf, data_len);
+
     octet = ASN1_OCTET_STRING_new();
     if (octet == NULL) {
         GOSTerr(GOST_F_PUB_ENCODE_GOST_EC, ERR_R_MALLOC_FAILURE);
         goto err;
     }
-    ASN1_STRING_set(octet, NULL, data_len);
-    sptr = ASN1_STRING_data(octet);
-    for (i = 0, j = data_len - 1; i < data_len; i++, j--) {
-        sptr[i] = databuf[j];
+
+    if (0 == ASN1_STRING_set(octet, databuf, data_len)) {
+        GOSTerr(GOST_F_PUB_ENCODE_GOST_EC, ERR_R_MALLOC_FAILURE);
+        goto err;
     }
 
     ret = i2d_ASN1_OCTET_STRING(octet, &buf);