1 /* $OpenBSD: obj_xref.c,v 1.10 2023/07/22 18:12:09 tb Exp $ */ 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 62 DECLARE_STACK_OF(nid_triple) 63 64 static int 65 sig_cmp(const nid_triple *a, const nid_triple *b) 66 { 67 return a->sign_id - b->sign_id; 68 } 69 70 static int 71 sig_cmp_BSEARCH_CMP_FN(const void *a_, const void *b_) 72 { 73 nid_triple const *a = a_; 74 nid_triple const *b = b_; 75 return sig_cmp(a, b); 76 } 77 78 static const nid_triple * 79 OBJ_bsearch_sig(nid_triple *key, nid_triple const *base, int num) 80 { 81 return OBJ_bsearch_(key, base, num, sizeof(nid_triple), 82 sig_cmp_BSEARCH_CMP_FN); 83 } 84 85 static int 86 sigx_cmp(const nid_triple * const *a, const nid_triple * const *b) 87 { 88 int ret; 89 90 ret = (*a)->hash_id - (*b)->hash_id; 91 if (ret) 92 return ret; 93 return (*a)->pkey_id - (*b)->pkey_id; 94 } 95 96 static int 97 sigx_cmp_BSEARCH_CMP_FN(const void *a_, const void *b_) 98 { 99 const nid_triple * const *a = a_; 100 const nid_triple * const *b = b_; 101 return sigx_cmp(a, b); 102 } 103 104 static const nid_triple * const* 105 OBJ_bsearch_sigx(const nid_triple * *key, const nid_triple * const *base, int num) 106 { 107 return OBJ_bsearch_(key, base, num, sizeof(const nid_triple *), 108 sigx_cmp_BSEARCH_CMP_FN); 109 } 110 111 int 112 OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid) 113 { 114 nid_triple tmp; 115 const nid_triple *rv = NULL; 116 tmp.sign_id = signid; 117 118 if ((rv = OBJ_bsearch_sig(&tmp, sigoid_srt, 119 sizeof(sigoid_srt) / sizeof(nid_triple))) == NULL) 120 return 0; 121 if (pdig_nid) 122 *pdig_nid = rv->hash_id; 123 if (ppkey_nid) 124 *ppkey_nid = rv->pkey_id; 125 return 1; 126 } 127 LCRYPTO_ALIAS(OBJ_find_sigid_algs); 128 129 int 130 OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid) 131 { 132 nid_triple tmp; 133 const nid_triple *t = &tmp; 134 const nid_triple *const *rv; 135 136 tmp.hash_id = dig_nid; 137 tmp.pkey_id = pkey_nid; 138 139 if ((rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, 140 sizeof(sigoid_srt_xref) / sizeof(nid_triple *))) == NULL) 141 return 0; 142 if (psignid) 143 *psignid = (*rv)->sign_id; 144 return 1; 145 } 146 LCRYPTO_ALIAS(OBJ_find_sigid_by_algs); 147 148 int 149 OBJ_add_sigid(int signid, int dig_id, int pkey_id) 150 { 151 return 0; 152 } 153 LCRYPTO_ALIAS(OBJ_add_sigid); 154 155 void 156 OBJ_sigid_free(void) 157 { 158 } 159 LCRYPTO_ALIAS(OBJ_sigid_free); 160