Line data    Source code

       1             : /* crypto/x509/x509type.c */
       2             : /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
       3             :  * All rights reserved.
       4             :  *
       5             :  * This package is an SSL implementation written
       6             :  * by Eric Young (eay@cryptsoft.com).
       7             :  * The implementation was written so as to conform with Netscapes SSL.
       8             :  *
       9             :  * This library is free for commercial and non-commercial use as long as
      10             :  * the following conditions are aheared to.  The following conditions
      11             :  * apply to all code found in this distribution, be it the RC4, RSA,
      12             :  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
      13             :  * included with this distribution is covered by the same copyright terms
      14             :  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
      15             :  *
      16             :  * Copyright remains Eric Young's, and as such any Copyright notices in
      17             :  * the code are not to be removed.
      18             :  * If this package is used in a product, Eric Young should be given attribution
      19             :  * as the author of the parts of the library used.
      20             :  * This can be in the form of a textual message at program startup or
      21             :  * in documentation (online or textual) provided with the package.
      22             :  *
      23             :  * Redistribution and use in source and binary forms, with or without
      24             :  * modification, are permitted provided that the following conditions
      25             :  * are met:
      26             :  * 1. Redistributions of source code must retain the copyright
      27             :  *    notice, this list of conditions and the following disclaimer.
      28             :  * 2. Redistributions in binary form must reproduce the above copyright
      29             :  *    notice, this list of conditions and the following disclaimer in the
      30             :  *    documentation and/or other materials provided with the distribution.
      31             :  * 3. All advertising materials mentioning features or use of this software
      32             :  *    must display the following acknowledgement:
      33             :  *    "This product includes cryptographic software written by
      34             :  *     Eric Young (eay@cryptsoft.com)"
      35             :  *    The word 'cryptographic' can be left out if the rouines from the library
      36             :  *    being used are not cryptographic related :-).
      37             :  * 4. If you include any Windows specific code (or a derivative thereof) from
      38             :  *    the apps directory (application code) you must include an acknowledgement:
      39             :  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
      40             :  *
      41             :  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
      42             :  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
      43             :  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
      44             :  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
      45             :  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
      46             :  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
      47             :  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
      48             :  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
      49             :  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
      50             :  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
      51             :  * SUCH DAMAGE.
      52             :  *
      53             :  * The licence and distribution terms for any publically available version or
      54             :  * derivative of this code cannot be changed.  i.e. this code cannot simply be
      55             :  * copied and put under another distribution licence
      56             :  * [including the GNU Public Licence.]
      57             :  */
      58             : 
      59             : #include <stdio.h>
      60             : #include "cryptlib.h"
      61             : #include <openssl/evp.h>
      62             : #include <openssl/objects.h>
      63             : #include <openssl/x509.h>
      64             : 
      65         370 : int X509_certificate_type(X509 *x, EVP_PKEY *pkey)
      66             : {
      67             :     EVP_PKEY *pk;
      68             :     int ret = 0, i;
      69             : 
      70         370 :     if (x == NULL)
      71             :         return (0);
      72             : 
      73         370 :     if (pkey == NULL)
      74           0 :         pk = X509_get_pubkey(x);
      75             :     else
      76             :         pk = pkey;
      77             : 
      78         370 :     if (pk == NULL)
      79             :         return (0);
      80             : 
      81         370 :     switch (pk->type) {
      82             :     case EVP_PKEY_RSA:
      83             :         ret = EVP_PK_RSA | EVP_PKT_SIGN;
      84             : /*              if (!sign only extension) */
      85             :         ret |= EVP_PKT_ENC;
      86         370 :         break;
      87             :     case EVP_PKEY_DSA:
      88             :         ret = EVP_PK_DSA | EVP_PKT_SIGN;
      89           0 :         break;
      90             :     case EVP_PKEY_EC:
      91             :         ret = EVP_PK_EC | EVP_PKT_SIGN | EVP_PKT_EXCH;
      92           0 :         break;
      93             :     case EVP_PKEY_DH:
      94             :         ret = EVP_PK_DH | EVP_PKT_EXCH;
      95           0 :         break;
      96             :     case NID_id_GostR3410_94:
      97             :     case NID_id_GostR3410_2001:
      98             :         ret = EVP_PKT_EXCH | EVP_PKT_SIGN;
      99           0 :         break;
     100             :     default:
     101             :         break;
     102             :     }
     103             : 
     104         370 :     i = OBJ_obj2nid(x->sig_alg->algorithm);
     105         370 :     if (i && OBJ_find_sigid_algs(i, NULL, &i)) {
     106             : 
     107         370 :         switch (i) {
     108             :         case NID_rsaEncryption:
     109             :         case NID_rsa:
     110         370 :             ret |= EVP_PKS_RSA;
     111         370 :             break;
     112             :         case NID_dsa:
     113             :         case NID_dsa_2:
     114           0 :             ret |= EVP_PKS_DSA;
     115           0 :             break;
     116             :         case NID_X9_62_id_ecPublicKey:
     117           0 :             ret |= EVP_PKS_EC;
     118           0 :             break;
     119             :         default:
     120             :             break;
     121             :         }
     122             :     }
     123             : 
     124         370 :     if (pkey == NULL)
     125           0 :         EVP_PKEY_free(pk);
     126         370 :     return (ret);
     127             : }