3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 2000 The OpenSSL Project. All rights reserved.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in
18 * the documentation and/or other materials provided with the
21 * 3. All advertising materials mentioning features or use of this
22 * software must display the following acknowledgment:
23 * "This product includes software developed by the OpenSSL Project
24 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
27 * endorse or promote products derived from this software without
28 * prior written permission. For written permission, please contact
29 * licensing@OpenSSL.org.
31 * 5. Products derived from this software may not be called "OpenSSL"
32 * nor may "OpenSSL" appear in their names without prior written
33 * permission of the OpenSSL Project.
35 * 6. Redistributions of any form whatsoever must retain the following
37 * "This product includes software developed by the OpenSSL Project
38 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
41 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
43 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
44 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
45 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
46 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
47 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
49 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
50 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
51 * OF THE POSSIBILITY OF SUCH DAMAGE.
52 * ====================================================================
54 * This product includes cryptographic software written by Eric Young
55 * (eay@cryptsoft.com). This product includes software written by Tim
56 * Hudson (tjh@cryptsoft.com).
61 #include <openssl/x509.h>
62 #include <openssl/asn1.h>
63 #include <openssl/asn1t.h>
65 ASN1_SEQUENCE(X509_ALGOR) = {
66 ASN1_SIMPLE(X509_ALGOR, algorithm, ASN1_OBJECT),
67 ASN1_OPT(X509_ALGOR, parameter, ASN1_ANY)
68 } ASN1_SEQUENCE_END(X509_ALGOR)
70 ASN1_ITEM_TEMPLATE(X509_ALGORS) =
71 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, algorithms, X509_ALGOR)
72 ASN1_ITEM_TEMPLATE_END(X509_ALGORS)
74 IMPLEMENT_ASN1_FUNCTIONS(X509_ALGOR)
75 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_fname(X509_ALGORS, X509_ALGORS, X509_ALGORS)
76 IMPLEMENT_ASN1_DUP_FUNCTION(X509_ALGOR)
78 int X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval)
82 if (ptype != V_ASN1_UNDEF) {
83 if (alg->parameter == NULL)
84 alg->parameter = ASN1_TYPE_new();
85 if (alg->parameter == NULL)
89 ASN1_OBJECT_free(alg->algorithm);
90 alg->algorithm = aobj;
94 if (ptype == V_ASN1_UNDEF) {
96 ASN1_TYPE_free(alg->parameter);
97 alg->parameter = NULL;
100 ASN1_TYPE_set(alg->parameter, ptype, pval);
104 void X509_ALGOR_get0(ASN1_OBJECT **paobj, int *pptype, void **ppval,
108 *paobj = algor->algorithm;
110 if (algor->parameter == NULL) {
111 *pptype = V_ASN1_UNDEF;
114 *pptype = algor->parameter->type;
116 *ppval = algor->parameter->value.ptr;
120 /* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */
122 void X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md)
126 if (md->flags & EVP_MD_FLAG_DIGALGID_ABSENT)
127 param_type = V_ASN1_UNDEF;
129 param_type = V_ASN1_NULL;
131 X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL);
135 int X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b)
138 rv = OBJ_cmp(a->algorithm, b->algorithm);
141 if (!a->parameter && !b->parameter)
143 return ASN1_TYPE_cmp(a->parameter, b->parameter);