1 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
2 * All rights reserved.
3 *
4 * This package is an SSL implementation written
5 * by Eric Young (eay@cryptsoft.com).
6 * The implementation was written so as to conform with Netscapes SSL.
7 *
8 * This library is free for commercial and non-commercial use as long as
9 * the following conditions are aheared to. The following conditions
10 * apply to all code found in this distribution, be it the RC4, RSA,
11 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
12 * included with this distribution is covered by the same copyright terms
13 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
14 *
15 * Copyright remains Eric Young's, and as such any Copyright notices in
16 * the code are not to be removed.
17 * If this package is used in a product, Eric Young should be given attribution
18 * as the author of the parts of the library used.
19 * This can be in the form of a textual message at program startup or
20 * in documentation (online or textual) provided with the package.
21 *
22 * Redistribution and use in source and binary forms, with or without
23 * modification, are permitted provided that the following conditions
24 * are met:
25 * 1. Redistributions of source code must retain the copyright
26 * notice, this list of conditions and the following disclaimer.
27 * 2. Redistributions in binary form must reproduce the above copyright
28 * notice, this list of conditions and the following disclaimer in the
29 * documentation and/or other materials provided with the distribution.
30 * 3. All advertising materials mentioning features or use of this software
31 * must display the following acknowledgement:
32 * "This product includes cryptographic software written by
33 * Eric Young (eay@cryptsoft.com)"
34 * The word 'cryptographic' can be left out if the rouines from the library
35 * being used are not cryptographic related :-).
36 * 4. If you include any Windows specific code (or a derivative thereof) from
37 * the apps directory (application code) you must include an acknowledgement:
38 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
39 *
40 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
41 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50 * SUCH DAMAGE.
51 *
52 * The licence and distribution terms for any publically available version or
53 * derivative of this code cannot be changed. i.e. this code cannot simply be
54 * copied and put under another distribution licence
55 * [including the GNU Public Licence.] */
56
57 #include <openssl/evp.h>
58 #include <openssl/obj.h>
59 #include <openssl/x509.h>
60
X509_certificate_type(X509 * x,EVP_PKEY * pkey)61 int X509_certificate_type(X509 *x, EVP_PKEY *pkey)
62 {
63 EVP_PKEY *pk;
64 int ret = 0, i;
65
66 if (x == NULL)
67 return (0);
68
69 if (pkey == NULL)
70 pk = X509_get_pubkey(x);
71 else
72 pk = pkey;
73
74 if (pk == NULL)
75 return (0);
76
77 switch (pk->type) {
78 case EVP_PKEY_RSA:
79 ret = EVP_PK_RSA | EVP_PKT_SIGN;
80 /* if (!sign only extension) */
81 ret |= EVP_PKT_ENC;
82 break;
83 case EVP_PKEY_DSA:
84 ret = EVP_PK_DSA | EVP_PKT_SIGN;
85 break;
86 case EVP_PKEY_EC:
87 ret = EVP_PK_EC | EVP_PKT_SIGN | EVP_PKT_EXCH;
88 break;
89 case EVP_PKEY_DH:
90 ret = EVP_PK_DH | EVP_PKT_EXCH;
91 break;
92 case NID_id_GostR3410_94:
93 case NID_id_GostR3410_2001:
94 ret = EVP_PKT_EXCH | EVP_PKT_SIGN;
95 break;
96 default:
97 break;
98 }
99
100 i = OBJ_obj2nid(x->sig_alg->algorithm);
101 if (i && OBJ_find_sigid_algs(i, NULL, &i)) {
102
103 switch (i) {
104 case NID_rsaEncryption:
105 case NID_rsa:
106 ret |= EVP_PKS_RSA;
107 break;
108 case NID_dsa:
109 case NID_dsa_2:
110 ret |= EVP_PKS_DSA;
111 break;
112 case NID_X9_62_id_ecPublicKey:
113 ret |= EVP_PKS_EC;
114 break;
115 default:
116 break;
117 }
118 }
119
120 if (EVP_PKEY_size(pk) <= 1024 / 8) /* /8 because it's 1024 bits we look
121 * for, not bytes */
122 ret |= EVP_PKT_EXP;
123 if (pkey == NULL)
124 EVP_PKEY_free(pk);
125 return (ret);
126 }
127