1 /* crypto/objects/obj_xref.c */
2 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
5 /* ====================================================================
6 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
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
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/)"
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.
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.
34 * 6. Redistributions of any form whatsoever must retain the following
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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 * ====================================================================
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).
59 #include <openssl/objects.h>
62 STACK *sig_app, *sigx_app;
64 static int cmp_sig(const nid_triple *a, const nid_triple *b)
69 static int cmp_sig_sk(const nid_triple **a, const nid_triple **b)
74 static int cmp_sigx(const nid_triple **a, const nid_triple **b)
77 ret = (**a)[1] - (**b)[1];
80 return (**a)[2] - (**b)[2];
84 int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid)
86 nid_triple tmp, *rv = NULL;
91 int idx = sk_find(sig_app, (char *)&tmp);
93 rv = (nid_triple *)sk_value(sig_app, idx);
96 #ifndef OBJ_XREF_TEST2
99 rv = (nid_triple *)OBJ_bsearch((char *)&tmp,
101 sizeof(sigoid_srt) / sizeof(nid_triple),
103 (int (*)(const void *, const void *))cmp_sig);
108 *pdig_nid = (*rv)[1];
109 *ppkey_nid = (*rv)[2];
113 int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
115 nid_triple tmp, *t=&tmp, **rv = NULL;
121 int idx = sk_find(sigx_app, (char *)&tmp);
124 t = (nid_triple *)sk_value(sigx_app, idx);
129 #ifndef OBJ_XREF_TEST2
132 rv = (nid_triple **)OBJ_bsearch((char *)&t,
133 (char *)sigoid_srt_xref,
134 sizeof(sigoid_srt_xref) / sizeof(nid_triple *),
135 sizeof(nid_triple *),
136 (int (*)(const void *, const void *))cmp_sigx);
141 *psignid = (**rv)[0];
145 typedef int sk_cmp_fn_type(const char * const *a, const char * const *b);
147 int OBJ_add_sigid(int signid, int dig_id, int pkey_id)
151 sig_app = sk_new((sk_cmp_fn_type *)cmp_sig_sk);
155 sigx_app = sk_new((sk_cmp_fn_type *)cmp_sigx);
158 ntr = OPENSSL_malloc(sizeof(int) * 3);
165 if (!sk_push(sig_app, (char *)ntr))
171 if (!sk_push(sigx_app, (char *)ntr))
180 static void sid_free(void *x)
182 nid_triple *tt = (nid_triple *)x;
186 void OBJ_sigid_free(void)
190 sk_pop_free(sig_app, sid_free);
207 #ifdef OBJ_XREF_TEST2
208 for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++)
210 OBJ_add_sigid(sigoid_srt[i][0], sigoid_srt[i][1],
215 for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++)
217 n1 = sigoid_srt[i][0];
218 rv = OBJ_find_sigid_algs(n1, &n2, &n3);
219 printf("Forward: %d, %s %s %s\n", rv,
220 OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));
222 rv = OBJ_find_sigid_by_algs(&n1, n2, n3);
223 printf("Reverse: %d, %s %s %s\n", rv,
224 OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));