Commit af73b08a authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

check ASN1 type before using it

parent 934e22e8

engines/ccgost/gost_crypt.c

+3 −1
Original line number Diff line number Diff line
@@ -459,13 +459,15 @@ 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 = params->value.sequence->data;

	unsigned char *p;

	struct ossl_gost_cipher_ctx *c=ctx->cipher_data;

	if (ASN1_TYPE_get(params) != V_ASN1_SEQUENCE)

		{

		return ret;

		}



	p = params->value.sequence->data;



	gcp = d2i_GOST_CIPHER_PARAMS(NULL, (const unsigned char **)&p,

		params->value.sequence->length);