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 int X509_certificate_type(X509 *x, EVP_PKEY *pkey)
66 {
67 EVP_PKEY *pk;
68 int ret=0,i;
69
70 if (x == NULL) return(0);
71
72 if (pkey == NULL)
73 pk=X509_get_pubkey(x);
74 else
75 pk=pkey;
76
77 if (pk == NULL) return(0);
78
79 switch (pk->type)
80 {
81 case EVP_PKEY_RSA:
82 ret=EVP_PK_RSA|EVP_PKT_SIGN;
83 /* if (!sign only extension) */
84 ret|=EVP_PKT_ENC;
85 break;
86 case EVP_PKEY_DSA:
87 ret=EVP_PK_DSA|EVP_PKT_SIGN;
88 break;
89 case EVP_PKEY_EC:
90 ret=EVP_PK_EC|EVP_PKT_SIGN|EVP_PKT_EXCH;
91 break;
92 case EVP_PKEY_DH:
93 ret=EVP_PK_DH|EVP_PKT_EXCH;
94 break;
95 case NID_id_GostR3410_94:
96 case NID_id_GostR3410_2001:
97 ret=EVP_PKT_EXCH|EVP_PKT_SIGN;
98 break;
99 default:
100 break;
101 }
102
103 i=OBJ_obj2nid(x->sig_alg->algorithm);
104 if (i && OBJ_find_sigid_algs(i, NULL, &i))
105 {
106
107 switch (i)
108 {
109 case NID_rsaEncryption:
110 case NID_rsa:
111 ret|=EVP_PKS_RSA;
112 break;
113 case NID_dsa:
114 case NID_dsa_2:
115 ret|=EVP_PKS_DSA;
116 break;
117 case NID_X9_62_id_ecPublicKey:
118 ret|=EVP_PKS_EC;
119 break;
120 default:
121 break;
122 }
123 }
124
125 if (EVP_PKEY_size(pk) <= 1024/8)/* /8 because it's 1024 bits we look
126 for, not bytes */
127 ret|=EVP_PKT_EXP;
128 if(pkey==NULL) EVP_PKEY_free(pk);
129 return(ret);
130 }