Add support for default public key digest type ctrl.

[openssl.git] / crypto / asn1 / a_sign.c

diff --git a/crypto/asn1/a_sign.c b/crypto/asn1/a_sign.c
index c98dc7c332fe4a8d9b7fbb0555171fb0bf8cf2e8..ff63bfc7be9427181a86e8c5c133409d0ceecfaa 100644 (file)
--- 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 ||