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-rw-r--r--src/lib/libcrypto/objects/obj_xref.c234
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diff --git a/src/lib/libcrypto/objects/obj_xref.c b/src/lib/libcrypto/objects/obj_xref.c
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1/* crypto/objects/obj_xref.c */
2/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
3 * project 2006.
4 */
5/* ====================================================================
6 * Copyright (c) 2006 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 <openssl/objects.h>
60#include "obj_xref.h"
61
62DECLARE_STACK_OF(nid_triple)
63STACK_OF(nid_triple) *sig_app, *sigx_app;
64
65static int sig_cmp(const nid_triple *a, const nid_triple *b)
66 {
67 return a->sign_id - b->sign_id;
68 }
69
70DECLARE_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig);
71IMPLEMENT_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig);
72
73static int sig_sk_cmp(const nid_triple * const *a, const nid_triple * const *b)
74 {
75 return (*a)->sign_id - (*b)->sign_id;
76 }
77
78DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx);
79
80static int sigx_cmp(const nid_triple * const *a, const nid_triple * const *b)
81 {
82 int ret;
83 ret = (*a)->hash_id - (*b)->hash_id;
84 if (ret)
85 return ret;
86 return (*a)->pkey_id - (*b)->pkey_id;
87 }
88
89IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx);
90
91int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid)
92 {
93 nid_triple tmp;
94 const nid_triple *rv = NULL;
95 tmp.sign_id = signid;
96
97 if (sig_app)
98 {
99 int idx = sk_nid_triple_find(sig_app, &tmp);
100 if (idx >= 0)
101 rv = sk_nid_triple_value(sig_app, idx);
102 }
103
104#ifndef OBJ_XREF_TEST2
105 if (rv == NULL)
106 {
107 rv = OBJ_bsearch_sig(&tmp, sigoid_srt,
108 sizeof(sigoid_srt) / sizeof(nid_triple));
109 }
110#endif
111 if (rv == NULL)
112 return 0;
113 if (pdig_nid)
114 *pdig_nid = rv->hash_id;
115 if (ppkey_nid)
116 *ppkey_nid = rv->pkey_id;
117 return 1;
118 }
119
120int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
121 {
122 nid_triple tmp;
123 const nid_triple *t=&tmp;
124 const nid_triple **rv = NULL;
125
126 tmp.hash_id = dig_nid;
127 tmp.pkey_id = pkey_nid;
128
129 if (sigx_app)
130 {
131 int idx = sk_nid_triple_find(sigx_app, &tmp);
132 if (idx >= 0)
133 {
134 t = sk_nid_triple_value(sigx_app, idx);
135 rv = &t;
136 }
137 }
138
139#ifndef OBJ_XREF_TEST2
140 if (rv == NULL)
141 {
142 rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref,
143 sizeof(sigoid_srt_xref) / sizeof(nid_triple *)
144 );
145 }
146#endif
147 if (rv == NULL)
148 return 0;
149 if (psignid)
150 *psignid = (*rv)->sign_id;
151 return 1;
152 }
153
154int OBJ_add_sigid(int signid, int dig_id, int pkey_id)
155 {
156 nid_triple *ntr;
157 if (!sig_app)
158 sig_app = sk_nid_triple_new(sig_sk_cmp);
159 if (!sig_app)
160 return 0;
161 if (!sigx_app)
162 sigx_app = sk_nid_triple_new(sigx_cmp);
163 if (!sigx_app)
164 return 0;
165 ntr = OPENSSL_malloc(sizeof(int) * 3);
166 if (!ntr)
167 return 0;
168 ntr->sign_id = signid;
169 ntr->hash_id = dig_id;
170 ntr->pkey_id = pkey_id;
171
172 if (!sk_nid_triple_push(sig_app, ntr))
173 {
174 OPENSSL_free(ntr);
175 return 0;
176 }
177
178 if (!sk_nid_triple_push(sigx_app, ntr))
179 return 0;
180
181 sk_nid_triple_sort(sig_app);
182 sk_nid_triple_sort(sigx_app);
183
184 return 1;
185 }
186
187static void sid_free(nid_triple *tt)
188 {
189 OPENSSL_free(tt);
190 }
191
192void OBJ_sigid_free(void)
193 {
194 if (sig_app)
195 {
196 sk_nid_triple_pop_free(sig_app, sid_free);
197 sig_app = NULL;
198 }
199 if (sigx_app)
200 {
201 sk_nid_triple_free(sigx_app);
202 sigx_app = NULL;
203 }
204 }
205
206#ifdef OBJ_XREF_TEST
207
208main()
209 {
210 int n1, n2, n3;
211
212 int i, rv;
213#ifdef OBJ_XREF_TEST2
214 for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++)
215 {
216 OBJ_add_sigid(sigoid_srt[i][0], sigoid_srt[i][1],
217 sigoid_srt[i][2]);
218 }
219#endif
220
221 for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++)
222 {
223 n1 = sigoid_srt[i][0];
224 rv = OBJ_find_sigid_algs(n1, &n2, &n3);
225 printf("Forward: %d, %s %s %s\n", rv,
226 OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));
227 n1=0;
228 rv = OBJ_find_sigid_by_algs(&n1, n2, n3);
229 printf("Reverse: %d, %s %s %s\n", rv,
230 OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));
231 }
232 }
233
234#endif
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