Add algorithm specific signature printing. An individual ASN1 method can
[openssl.git] / crypto / ec / ec_ameth.c
index 0b31edd48173b24ffd222abc3a09ed6cd38cfbf6..83909c185359a73046952b2ad9ac38991211b2e7 100644 (file)
@@ -1,4 +1,4 @@
-/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
  * project 2006.
  */
 /* ====================================================================
 #include "cryptlib.h"
 #include <openssl/x509.h>
 #include <openssl/ec.h>
+#include <openssl/bn.h>
+#ifndef OPENSSL_NO_CMS
+#include <openssl/cms.h>
+#endif
 #include "asn1_locl.h"
 
 static int eckey_param2type(int *pptype, void **ppval, EC_KEY *ec_key)
@@ -590,6 +594,25 @@ static int ec_pkey_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
                        X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0);
                        }
                return 1;
+#ifndef OPENSSL_NO_CMS
+               case ASN1_PKEY_CTRL_CMS_SIGN:
+               if (arg1 == 0)
+                       {
+                       int snid, hnid;
+                       X509_ALGOR *alg1, *alg2;
+                       CMS_SignerInfo_get0_algs(arg2, NULL, NULL,
+                                                               &alg1, &alg2);
+                       if (alg1 == NULL || alg1->algorithm == NULL)
+                               return -1;
+                       hnid = OBJ_obj2nid(alg1->algorithm);
+                       if (hnid == NID_undef)
+                               return -1;
+                       if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_id(pkey)))
+                               return -1; 
+                       X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, 0);
+                       }
+               return 1;
+#endif
 
                case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
                *(int *)arg2 = NID_sha1;
@@ -628,6 +651,7 @@ const EVP_PKEY_ASN1_METHOD eckey_asn1_meth =
        ec_copy_parameters,
        ec_cmp_parameters,
        eckey_param_print,
+       0,
 
        int_ec_free,
        ec_pkey_ctrl,