pkey_gost_mac_keygen: check for NULL after allocating keydata

Signed-off-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Richard Levitte <levitte@openssl.org>

diff --git a/engines/ccgost/gost_pmeth.c b/engines/ccgost/gost_pmeth.c
index c8bf31c8e221c12310016ebc8d050994cf765dfa..7ccae8657e672a90f6fb03f44e6132a5d3a8ed66 100644 (file)
--- a/engines/ccgost/gost_pmeth.c
+++ b/engines/ccgost/gost_pmeth.c
@@ -562,6 +562,8 @@ static int pkey_gost_mac_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
                        return 0;
                }
                keydata = OPENSSL_malloc(32);
+               if (keydata == NULL)
+                       return 0;
                memcpy(keydata,data->key,32);
                EVP_PKEY_assign(pkey, NID_id_Gost28147_89_MAC, keydata);
                return 1;