1 /* crypto/objects/obj_xref.c */
3 * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
6 /* ====================================================================
7 * Copyright (c) 2006 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).
60 #include <openssl/objects.h>
64 DEFINE_STACK_OF(nid_triple)
66 static STACK_OF(nid_triple) *sig_app, *sigx_app;
68 static int sig_cmp(const nid_triple *a, const nid_triple *b)
70 return a->sign_id - b->sign_id;
73 DECLARE_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig);
74 IMPLEMENT_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig);
76 static int sig_sk_cmp(const nid_triple *const *a, const nid_triple *const *b)
78 return (*a)->sign_id - (*b)->sign_id;
81 DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx);
83 static int sigx_cmp(const nid_triple *const *a, const nid_triple *const *b)
86 ret = (*a)->hash_id - (*b)->hash_id;
89 return (*a)->pkey_id - (*b)->pkey_id;
92 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx);
94 int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid)
97 const nid_triple *rv = NULL;
101 int idx = sk_nid_triple_find(sig_app, &tmp);
103 rv = sk_nid_triple_value(sig_app, idx);
105 #ifndef OBJ_XREF_TEST2
107 rv = OBJ_bsearch_sig(&tmp, sigoid_srt, OSSL_NELEM(sigoid_srt));
113 *pdig_nid = rv->hash_id;
115 *ppkey_nid = rv->pkey_id;
119 int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
122 const nid_triple *t = &tmp;
123 const nid_triple **rv = NULL;
125 tmp.hash_id = dig_nid;
126 tmp.pkey_id = pkey_nid;
129 int idx = sk_nid_triple_find(sigx_app, &tmp);
131 t = sk_nid_triple_value(sigx_app, idx);
135 #ifndef OBJ_XREF_TEST2
137 rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, OSSL_NELEM(sigoid_srt_xref));
143 *psignid = (*rv)->sign_id;
147 int OBJ_add_sigid(int signid, int dig_id, int pkey_id)
151 sig_app = sk_nid_triple_new(sig_sk_cmp);
154 if (sigx_app == NULL)
155 sigx_app = sk_nid_triple_new(sigx_cmp);
156 if (sigx_app == NULL)
158 ntr = OPENSSL_malloc(sizeof(*ntr));
161 ntr->sign_id = signid;
162 ntr->hash_id = dig_id;
163 ntr->pkey_id = pkey_id;
165 if (!sk_nid_triple_push(sig_app, ntr)) {
170 if (!sk_nid_triple_push(sigx_app, ntr))
173 sk_nid_triple_sort(sig_app);
174 sk_nid_triple_sort(sigx_app);
179 static void sid_free(nid_triple *tt)
184 void OBJ_sigid_free(void)
186 sk_nid_triple_pop_free(sig_app, sid_free);
188 sk_nid_triple_free(sigx_app);
199 # ifdef OBJ_XREF_TEST2
200 for (i = 0; i < OSSL_NELEM(sigoid_srt); i++) {
201 OBJ_add_sigid(sigoid_srt[i][0], sigoid_srt[i][1], sigoid_srt[i][2]);
205 for (i = 0; i < OSSL_NELEM(sigoid_srt); i++) {
206 n1 = sigoid_srt[i][0];
207 rv = OBJ_find_sigid_algs(n1, &n2, &n3);
208 printf("Forward: %d, %s %s %s\n", rv,
209 OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));
211 rv = OBJ_find_sigid_by_algs(&n1, n2, n3);
212 printf("Reverse: %d, %s %s %s\n", rv,
213 OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));