X-Git-Url: http://www.wagner.pp.ru/gitweb/?a=blobdiff_plain;f=gost_ec_keyx.c;h=40cad2bc34f2240bc146e9fab562734f47abef77;hb=336c30e54ca42f54641ee06c9dce26ecd454b6ea;hp=eeb0122960594d01634123ebf7c51e7418f04187;hpb=09bc339bdce87d513b029b9be91b6cb73b6cc2b7;p=openssl-gost%2Fengine.git

diff --git a/gost_ec_keyx.c b/gost_ec_keyx.c
index eeb0122..40cad2b 100644
--- a/gost_ec_keyx.c
+++ b/gost_ec_keyx.c
@@ -672,6 +672,13 @@ static int pkey_gost2018_decrypt(EVP_PKEY_CTX *pctx, unsigned char *key,
 
    o  q * Q_eph is not equal to zero point.
 */
+    if (eph_key == NULL || priv == NULL || data == NULL) {
+       GOSTerr(GOST_F_PKEY_GOST2018_DECRYPT,
+               GOST_R_ERROR_COMPUTING_EXPORT_KEYS);
+       ret = 0;
+       goto err;
+    }
+  
     if (data->shared_ukm_size == 0 && pst->ukm != NULL) {
         if (EVP_PKEY_CTX_ctrl(pctx, -1, -1, EVP_PKEY_CTRL_SET_IV,
         ASN1_STRING_length(pst->ukm), (void *)ASN1_STRING_get0_data(pst->ukm)) < 0) {