Branch data Line data Source code
1 : : /* x_algor.c */
2 : : /* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 : : * project 2000.
4 : : */
5 : : /* ====================================================================
6 : : * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
7 : : *
8 : : * Redistribution and use in source and binary forms, with or without
9 : : * modification, are permitted provided that the following conditions
10 : : * are met:
11 : : *
12 : : * 1. Redistributions of source code must retain the above copyright
13 : : * notice, this list of conditions and the following disclaimer.
14 : : *
15 : : * 2. Redistributions in binary form must reproduce the above copyright
16 : : * notice, this list of conditions and the following disclaimer in
17 : : * the documentation and/or other materials provided with the
18 : : * distribution.
19 : : *
20 : : * 3. All advertising materials mentioning features or use of this
21 : : * software must display the following acknowledgment:
22 : : * "This product includes software developed by the OpenSSL Project
23 : : * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24 : : *
25 : : * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 : : * endorse or promote products derived from this software without
27 : : * prior written permission. For written permission, please contact
28 : : * licensing@OpenSSL.org.
29 : : *
30 : : * 5. Products derived from this software may not be called "OpenSSL"
31 : : * nor may "OpenSSL" appear in their names without prior written
32 : : * permission of the OpenSSL Project.
33 : : *
34 : : * 6. Redistributions of any form whatsoever must retain the following
35 : : * acknowledgment:
36 : : * "This product includes software developed by the OpenSSL Project
37 : : * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38 : : *
39 : : * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 : : * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 : : * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 : : * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 : : * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 : : * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 : : * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 : : * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 : : * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 : : * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 : : * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 : : * OF THE POSSIBILITY OF SUCH DAMAGE.
51 : : * ====================================================================
52 : : *
53 : : * This product includes cryptographic software written by Eric Young
54 : : * (eay@cryptsoft.com). This product includes software written by Tim
55 : : * Hudson (tjh@cryptsoft.com).
56 : : *
57 : : */
58 : :
59 : : #include <stddef.h>
60 : : #include <openssl/x509.h>
61 : : #include <openssl/asn1.h>
62 : : #include <openssl/asn1t.h>
63 : :
64 : : ASN1_SEQUENCE(X509_ALGOR) = {
65 : : ASN1_SIMPLE(X509_ALGOR, algorithm, ASN1_OBJECT),
66 : : ASN1_OPT(X509_ALGOR, parameter, ASN1_ANY)
67 : : } ASN1_SEQUENCE_END(X509_ALGOR)
68 : :
69 : : ASN1_ITEM_TEMPLATE(X509_ALGORS) =
70 : : ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, algorithms, X509_ALGOR)
71 : : ASN1_ITEM_TEMPLATE_END(X509_ALGORS)
72 : :
73 : 2956 : IMPLEMENT_ASN1_FUNCTIONS(X509_ALGOR)
74 : 100 : IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(X509_ALGORS, X509_ALGORS, X509_ALGORS)
75 : 24 : IMPLEMENT_ASN1_DUP_FUNCTION(X509_ALGOR)
76 : :
77 : : IMPLEMENT_STACK_OF(X509_ALGOR)
78 : : IMPLEMENT_ASN1_SET_OF(X509_ALGOR)
79 : :
80 : 812 : int X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval)
81 : : {
82 [ + - ]: 812 : if (!alg)
83 : : return 0;
84 [ + + ]: 812 : if (ptype != V_ASN1_UNDEF)
85 : : {
86 [ + - ]: 330 : if (alg->parameter == NULL)
87 : 330 : alg->parameter = ASN1_TYPE_new();
88 [ + - ]: 330 : if (alg->parameter == NULL)
89 : : return 0;
90 : : }
91 [ + - ]: 812 : if (alg)
92 : : {
93 [ + - ]: 812 : if (alg->algorithm)
94 : 812 : ASN1_OBJECT_free(alg->algorithm);
95 : 812 : alg->algorithm = aobj;
96 : : }
97 [ + - ]: 812 : if (ptype == 0)
98 : : return 1;
99 [ + + ]: 812 : if (ptype == V_ASN1_UNDEF)
100 : : {
101 [ - + ]: 482 : if (alg->parameter)
102 : : {
103 : 0 : ASN1_TYPE_free(alg->parameter);
104 : 0 : alg->parameter = NULL;
105 : : }
106 : : }
107 : : else
108 : 330 : ASN1_TYPE_set(alg->parameter, ptype, pval);
109 : : return 1;
110 : : }
111 : :
112 : 338 : void X509_ALGOR_get0(ASN1_OBJECT **paobj, int *pptype, void **ppval,
113 : : X509_ALGOR *algor)
114 : : {
115 [ + + ]: 338 : if (paobj)
116 : 214 : *paobj = algor->algorithm;
117 [ + + ]: 338 : if (pptype)
118 : : {
119 [ + + ]: 128 : if (algor->parameter == NULL)
120 : : {
121 : 4 : *pptype = V_ASN1_UNDEF;
122 : 4 : return;
123 : : }
124 : : else
125 : 124 : *pptype = algor->parameter->type;
126 [ + - ]: 124 : if (ppval)
127 : 124 : *ppval = algor->parameter->value.ptr;
128 : : }
129 : : }
130 : :
131 : : /* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */
132 : :
133 : 89 : void X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md)
134 : : {
135 : : int param_type;
136 : :
137 [ - + ]: 89 : if (md->flags & EVP_MD_FLAG_DIGALGID_ABSENT)
138 : : param_type = V_ASN1_UNDEF;
139 : : else
140 : 0 : param_type = V_ASN1_NULL;
141 : :
142 : 89 : X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL);
143 : :
144 : 89 : }
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