X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fasn1%2Fa_sign.c;h=ff63bfc7be9427181a86e8c5c133409d0ceecfaa;hp=c98dc7c332fe4a8d9b7fbb0555171fb0bf8cf2e8;hb=03919683f9bade36ef1b58e64638ac3ccbbf371a;hpb=5cda6c458211c2b5803f9616b192fd2e8c1c47f3

diff --git a/crypto/asn1/a_sign.c b/crypto/asn1/a_sign.c
index c98dc7c332..ff63bfc7be 100644
--- a/crypto/asn1/a_sign.c
+++ b/crypto/asn1/a_sign.c
@@ -222,6 +222,19 @@ int ASN1_item_sign(const ASN1_ITEM *it, X509_ALGOR *algor1, X509_ALGOR *algor2,
 	int inl=0,outl=0,outll=0;
 	int signid, paramtype;
 
+	if (type == NULL)
+		{
+		int def_nid;
+		if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) > 0)
+			type = EVP_get_digestbynid(def_nid);
+		}
+
+	if (type == NULL)
+		{
+		ASN1err(ASN1_F_ASN1_ITEM_SIGN, ASN1_R_NO_DEFAULT_DIGEST);
+		return 0;
+		}
+
 	if (type->flags & EVP_MD_FLAG_PKEY_METHOD_SIGNATURE)
 		{
 		if (!pkey->ameth ||