132 lines
4.2 KiB
C
132 lines
4.2 KiB
C
/* crypto/objects/obj_xref.c */
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/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
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* project 2006.
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*/
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/* ====================================================================
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* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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#include <openssl/objects.h>
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#include "obj_xref.h"
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static int cmp_sig(const nid_triple *a, const nid_triple *b)
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{
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return **a - **b;
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}
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static int cmp_sigx(const nid_triple **a, const nid_triple **b)
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{
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int ret;
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ret = (**a)[1] - (**b)[1];
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if (ret)
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return ret;
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return (**a)[2] - (**b)[2];
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}
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int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid)
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{
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nid_triple tmp, *rv;
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tmp[0] = signid;
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rv = (nid_triple *)OBJ_bsearch((char *)&tmp,
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(char *)sigoid_srt,
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sizeof(sigoid_srt) / sizeof(nid_triple),
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sizeof(nid_triple),
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(int (*)(const void *, const void *))cmp_sig);
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if (rv == NULL)
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return 0;
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*pdig_nid = (*rv)[1];
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*ppkey_nid = (*rv)[2];
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return 1;
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}
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int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid)
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{
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nid_triple tmp, *t=&tmp, **rv;
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tmp[1] = dig_nid;
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tmp[2] = pkey_nid;
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rv = (nid_triple **)OBJ_bsearch((char *)&t,
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(char *)sigoid_srt_xref,
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sizeof(sigoid_srt_xref) / sizeof(nid_triple *),
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sizeof(nid_triple *),
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(int (*)(const void *, const void *))cmp_sigx);
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if (rv == NULL)
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return 0;
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*psignid = (**rv)[0];
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return 1;
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}
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#ifdef OBJ_XREF_TEST
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main()
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{
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int n1, n2, n3;
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int i, rv;
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for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++)
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{
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n1 = sigoid_srt[i][0];
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rv = OBJ_find_sigid_algs(n1, &n2, &n3);
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printf("Forward: %d, %s %s %s\n", rv,
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OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));
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n1=0;
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rv = OBJ_find_sigid_by_algs(&n1, n2, n3);
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printf("Reverse: %d, %s %s %s\n", rv,
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OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3));
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}
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}
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#endif
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