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diff --git a/src/lib/libcrypto/asn1/x_algor.c b/src/lib/libcrypto/asn1/x_algor.c
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1/* $OpenBSD: x_algor.c,v 1.20 2015/02/11 04:00:39 jsing Exp $ */
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
64static const ASN1_TEMPLATE X509_ALGOR_seq_tt[] = {
65 {
66 .offset = offsetof(X509_ALGOR, algorithm),
67 .field_name = "algorithm",
68 .item = &ASN1_OBJECT_it,
69 },
70 {
71 .flags = ASN1_TFLG_OPTIONAL,
72 .offset = offsetof(X509_ALGOR, parameter),
73 .field_name = "parameter",
74 .item = &ASN1_ANY_it,
75 },
76};
77
78const ASN1_ITEM X509_ALGOR_it = {
79 .itype = ASN1_ITYPE_SEQUENCE,
80 .utype = V_ASN1_SEQUENCE,
81 .templates = X509_ALGOR_seq_tt,
82 .tcount = sizeof(X509_ALGOR_seq_tt) / sizeof(ASN1_TEMPLATE),
83 .size = sizeof(X509_ALGOR),
84 .sname = "X509_ALGOR",
85};
86
87ASN1_ITEM_TEMPLATE(X509_ALGORS) =
88 ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, algorithms, X509_ALGOR)
89ASN1_ITEM_TEMPLATE_END(X509_ALGORS)
90
91
92X509_ALGOR *
93d2i_X509_ALGOR(X509_ALGOR **a, const unsigned char **in, long len)
94{
95 return (X509_ALGOR *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
96 &X509_ALGOR_it);
97}
98
99int
100i2d_X509_ALGOR(X509_ALGOR *a, unsigned char **out)
101{
102 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_ALGOR_it);
103}
104
105X509_ALGOR *
106X509_ALGOR_new(void)
107{
108 return (X509_ALGOR *)ASN1_item_new(&X509_ALGOR_it);
109}
110
111void
112X509_ALGOR_free(X509_ALGOR *a)
113{
114 ASN1_item_free((ASN1_VALUE *)a, &X509_ALGOR_it);
115}
116
117X509_ALGORS *
118d2i_X509_ALGORS(X509_ALGORS **a, const unsigned char **in, long len)
119{
120 return (X509_ALGORS *)ASN1_item_d2i((ASN1_VALUE **)a, in, len,
121 &X509_ALGORS_it);
122}
123
124int
125i2d_X509_ALGORS(X509_ALGORS *a, unsigned char **out)
126{
127 return ASN1_item_i2d((ASN1_VALUE *)a, out, &X509_ALGORS_it);
128}
129
130X509_ALGOR *
131X509_ALGOR_dup(X509_ALGOR *x)
132{
133 return ASN1_item_dup(&X509_ALGOR_it, x);
134}
135
136int
137X509_ALGOR_set0(X509_ALGOR *alg, ASN1_OBJECT *aobj, int ptype, void *pval)
138{
139 if (!alg)
140 return 0;
141 if (ptype != V_ASN1_UNDEF) {
142 if (alg->parameter == NULL)
143 alg->parameter = ASN1_TYPE_new();
144 if (alg->parameter == NULL)
145 return 0;
146 }
147 if (alg) {
148 if (alg->algorithm)
149 ASN1_OBJECT_free(alg->algorithm);
150 alg->algorithm = aobj;
151 }
152 if (ptype == 0)
153 return 1;
154 if (ptype == V_ASN1_UNDEF) {
155 if (alg->parameter) {
156 ASN1_TYPE_free(alg->parameter);
157 alg->parameter = NULL;
158 }
159 } else
160 ASN1_TYPE_set(alg->parameter, ptype, pval);
161 return 1;
162}
163
164void
165X509_ALGOR_get0(ASN1_OBJECT **paobj, int *pptype, void **ppval,
166 X509_ALGOR *algor)
167{
168 if (paobj)
169 *paobj = algor->algorithm;
170 if (pptype) {
171 if (algor->parameter == NULL) {
172 *pptype = V_ASN1_UNDEF;
173 return;
174 } else
175 *pptype = algor->parameter->type;
176 if (ppval)
177 *ppval = algor->parameter->value.ptr;
178 }
179}
180
181/* Set up an X509_ALGOR DigestAlgorithmIdentifier from an EVP_MD */
182
183void
184X509_ALGOR_set_md(X509_ALGOR *alg, const EVP_MD *md)
185{
186 int param_type;
187
188 if (md->flags & EVP_MD_FLAG_DIGALGID_ABSENT)
189 param_type = V_ASN1_UNDEF;
190 else
191 param_type = V_ASN1_NULL;
192
193 X509_ALGOR_set0(alg, OBJ_nid2obj(EVP_MD_type(md)), param_type, NULL);
194}
195
196/* Returns 0 if they are equal, != 0 otherwise. */
197int
198X509_ALGOR_cmp(const X509_ALGOR *a, const X509_ALGOR *b)
199{
200 int rv = OBJ_cmp(a->algorithm, b->algorithm);
201 if (!rv) {
202 if (!a->parameter && !b->parameter)
203 rv = 0;
204 else
205 rv = ASN1_TYPE_cmp(a->parameter, b->parameter);
206 }
207 return(rv);
208}
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