New 64-bit optimized implementation EC_GFp_nistp224_method().
[openssl.git] / crypto / ec / ec_ameth.c
index 18c4265cfcce92682f47dde2bf855d7141064530..c00f7d746c36e293a451a5aed64b144aef54c315 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)
@@ -394,7 +398,7 @@ static int ec_missing_parameters(const EVP_PKEY *pkey)
        return 0;
        }
 
-int ec_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
+static int ec_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
        {
        EC_GROUP *group = EC_GROUP_dup(EC_KEY_get0_group(from->pkey.ec));
        if (group == NULL)
@@ -405,7 +409,7 @@ int ec_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from)
        return 1;
        }
 
-int ec_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
+static int ec_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b)
        {
        const EC_GROUP *group_a = EC_KEY_get0_group(a->pkey.ec),
                       *group_b = EC_KEY_get0_group(b->pkey.ec);
@@ -503,7 +507,7 @@ static int do_EC_KEY_print(BIO *bp, const EC_KEY *x, int off, int ktype)
        ret=1;
 err:
        if (!ret)
-               ECerr(EC_F_EC_KEY_PRINT, reason);
+               ECerr(EC_F_DO_EC_KEY_PRINT, reason);
        if (pub_key) 
                BN_free(pub_key);
        if (order)
@@ -558,7 +562,7 @@ static int old_ec_priv_decode(EVP_PKEY *pkey,
        EC_KEY *ec;
        if (!(ec = d2i_ECPrivateKey (NULL, pder, derlen)))
                {
-               ECerr(EC_F_ECKEY_PRIV_DECODE, EC_R_DECODE_ERROR);
+               ECerr(EC_F_OLD_EC_PRIV_DECODE, EC_R_DECODE_ERROR);
                return 0;
                }
        EVP_PKEY_assign_EC_KEY(pkey, ec);
@@ -570,7 +574,58 @@ static int old_ec_priv_encode(const EVP_PKEY *pkey, unsigned char **pder)
        return i2d_ECPrivateKey(pkey->pkey.ec, pder);
        }
 
-EVP_PKEY_ASN1_METHOD eckey_asn1_meth = 
+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)
+                       {
+                       int snid, hnid;
+                       X509_ALGOR *alg1, *alg2;
+                       PKCS7_SIGNER_INFO_get0_algs(arg2, 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;
+#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;
+               return 2;
+
+               default:
+               return -2;
+
+               }
+
+       }
+
+const EVP_PKEY_ASN1_METHOD eckey_asn1_meth = 
        {
        EVP_PKEY_EC,
        EVP_PKEY_EC,
@@ -598,7 +653,7 @@ 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
        };