Allow public key ASN1 methods to set PKCS#7 SignerInfo structures.
[openssl.git] / crypto / ec / ec_ameth.c
index 18c4265..e4b8aa6 100644 (file)
@@ -570,6 +570,29 @@ static int old_ec_priv_encode(const EVP_PKEY *pkey, unsigned char **pder)
        return i2d_ECPrivateKey(pkey->pkey.ec, pder);
        }
 
+static int ec_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
+       {
+       switch (op)
+               {
+               case ASN1_PKEY_CTRL_PKCS7_SIGN:
+               if (arg1 == 0)
+                       {
+                       X509_ALGOR *alg1, *alg2;
+                       PKCS7_SIGNER_INFO_get0_algs(arg2, NULL, &alg1, &alg2);
+                       X509_ALGOR_set0(alg1, OBJ_nid2obj(NID_sha1),
+                                                       V_ASN1_NULL, 0);
+                       X509_ALGOR_set0(alg2, OBJ_nid2obj(NID_ecdsa_with_SHA1),
+                                                       V_ASN1_NULL, 0);
+                       }
+               return 1;
+
+               default:
+               return -2;
+
+               }
+
+       }
+
 EVP_PKEY_ASN1_METHOD eckey_asn1_meth = 
        {
        EVP_PKEY_EC,
@@ -598,7 +621,7 @@ EVP_PKEY_ASN1_METHOD eckey_asn1_meth =
        eckey_param_print,
 
        int_ec_free,
-       0,
+       ec_pkey_ctrl,
        old_ec_priv_decode,
        old_ec_priv_encode
        };