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- /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.] */
-
- #include <openssl/obj.h>
-
- #include <stdlib.h>
-
- #include "obj_xref.h"
-
-
- static int nid_triple_cmp_by_sign_id(const void *in_a, const void *in_b) {
- const nid_triple *a = in_a;
- const nid_triple *b = in_b;
-
- return a->sign_id - b->sign_id;
- }
-
- int OBJ_find_sigid_algs(int sign_nid, int *out_digest_nid, int *out_pkey_nid) {
- nid_triple key;
- const nid_triple *triple;
-
- key.sign_id = sign_nid;
-
- triple = bsearch(&key, sigoid_srt, sizeof(sigoid_srt) / sizeof(nid_triple),
- sizeof(nid_triple), nid_triple_cmp_by_sign_id);
-
- if (triple == NULL) {
- return 0;
- }
- if (out_digest_nid) {
- *out_digest_nid = triple->hash_id;
- }
- if (out_pkey_nid) {
- *out_pkey_nid = triple->pkey_id;
- }
-
- return 1;
- }
-
- static int nid_triple_cmp_by_digest_and_hash(const void *in_a,
- const void *in_b) {
- const nid_triple *a = *((nid_triple**) in_a);
- const nid_triple *b = *((nid_triple**) in_b);
-
- int ret = a->hash_id - b->hash_id;
- if (ret) {
- return ret;
- }
- return a->pkey_id - b->pkey_id;
- }
-
- int OBJ_find_sigid_by_algs(int *out_sign_nid, int digest_nid, int pkey_nid) {
- nid_triple key, *pkey;
- const nid_triple **triple;
-
- key.hash_id = digest_nid;
- key.pkey_id = pkey_nid;
- pkey = &key;
-
- triple = bsearch(&pkey, sigoid_srt_xref,
- sizeof(sigoid_srt_xref) / sizeof(nid_triple *),
- sizeof(nid_triple *), nid_triple_cmp_by_digest_and_hash);
-
- if (triple == NULL) {
- return 0;
- }
- if (out_sign_nid) {
- *out_sign_nid = (*triple)->sign_id;
- }
- return 1;
- }
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