OLD | NEW |
(Empty) | |
| 1 /* crypto/objects/obj_xref.c */ |
| 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 STACK_OF(nid_triple) *sig_app, *sigx_app; |
| 64 |
| 65 static int sig_cmp(const nid_triple *a, const nid_triple *b) |
| 66 { |
| 67 return a->sign_id - b->sign_id; |
| 68 } |
| 69 |
| 70 DECLARE_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); |
| 71 IMPLEMENT_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); |
| 72 |
| 73 static int sig_sk_cmp(const nid_triple * const *a, const nid_triple * const *b) |
| 74 { |
| 75 return (*a)->sign_id - (*b)->sign_id; |
| 76 } |
| 77 |
| 78 DECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); |
| 79 |
| 80 static int sigx_cmp(const nid_triple * const *a, const nid_triple * const *b) |
| 81 { |
| 82 int ret; |
| 83 ret = (*a)->hash_id - (*b)->hash_id; |
| 84 if (ret) |
| 85 return ret; |
| 86 return (*a)->pkey_id - (*b)->pkey_id; |
| 87 } |
| 88 |
| 89 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); |
| 90 |
| 91 int OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid) |
| 92 { |
| 93 nid_triple tmp; |
| 94 const nid_triple *rv = NULL; |
| 95 tmp.sign_id = signid; |
| 96 |
| 97 if (sig_app) |
| 98 { |
| 99 int idx = sk_nid_triple_find(sig_app, &tmp); |
| 100 if (idx >= 0) |
| 101 rv = sk_nid_triple_value(sig_app, idx); |
| 102 } |
| 103 |
| 104 #ifndef OBJ_XREF_TEST2 |
| 105 if (rv == NULL) |
| 106 { |
| 107 rv = OBJ_bsearch_sig(&tmp, sigoid_srt, |
| 108 sizeof(sigoid_srt) / sizeof(nid_triple)); |
| 109 } |
| 110 #endif |
| 111 if (rv == NULL) |
| 112 return 0; |
| 113 *pdig_nid = rv->hash_id; |
| 114 *ppkey_nid = rv->pkey_id; |
| 115 return 1; |
| 116 } |
| 117 |
| 118 int OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid) |
| 119 { |
| 120 nid_triple tmp; |
| 121 const nid_triple *t=&tmp; |
| 122 const nid_triple **rv = NULL; |
| 123 |
| 124 tmp.hash_id = dig_nid; |
| 125 tmp.pkey_id = pkey_nid; |
| 126 |
| 127 if (sigx_app) |
| 128 { |
| 129 int idx = sk_nid_triple_find(sigx_app, &tmp); |
| 130 if (idx >= 0) |
| 131 { |
| 132 t = sk_nid_triple_value(sigx_app, idx); |
| 133 rv = &t; |
| 134 } |
| 135 } |
| 136 |
| 137 #ifndef OBJ_XREF_TEST2 |
| 138 if (rv == NULL) |
| 139 { |
| 140 rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, |
| 141 sizeof(sigoid_srt_xref) / sizeof(nid_triple *) |
| 142 ); |
| 143 } |
| 144 #endif |
| 145 if (rv == NULL) |
| 146 return 0; |
| 147 *psignid = (*rv)->sign_id; |
| 148 return 1; |
| 149 } |
| 150 |
| 151 int OBJ_add_sigid(int signid, int dig_id, int pkey_id) |
| 152 { |
| 153 nid_triple *ntr; |
| 154 if (!sig_app) |
| 155 sig_app = sk_nid_triple_new(sig_sk_cmp); |
| 156 if (!sig_app) |
| 157 return 0; |
| 158 if (!sigx_app) |
| 159 sigx_app = sk_nid_triple_new(sigx_cmp); |
| 160 if (!sigx_app) |
| 161 return 0; |
| 162 ntr = OPENSSL_malloc(sizeof(int) * 3); |
| 163 if (!ntr) |
| 164 return 0; |
| 165 ntr->sign_id = signid; |
| 166 ntr->hash_id = dig_id; |
| 167 ntr->pkey_id = pkey_id; |
| 168 |
| 169 if (!sk_nid_triple_push(sig_app, ntr)) |
| 170 { |
| 171 OPENSSL_free(ntr); |
| 172 return 0; |
| 173 } |
| 174 |
| 175 if (!sk_nid_triple_push(sigx_app, ntr)) |
| 176 return 0; |
| 177 |
| 178 sk_nid_triple_sort(sig_app); |
| 179 sk_nid_triple_sort(sigx_app); |
| 180 |
| 181 return 1; |
| 182 } |
| 183 |
| 184 static void sid_free(nid_triple *tt) |
| 185 { |
| 186 OPENSSL_free(tt); |
| 187 } |
| 188 |
| 189 void OBJ_sigid_free(void) |
| 190 { |
| 191 if (sig_app) |
| 192 { |
| 193 sk_nid_triple_pop_free(sig_app, sid_free); |
| 194 sig_app = NULL; |
| 195 } |
| 196 if (sigx_app) |
| 197 { |
| 198 sk_nid_triple_free(sigx_app); |
| 199 sigx_app = NULL; |
| 200 } |
| 201 } |
| 202 |
| 203 #ifdef OBJ_XREF_TEST |
| 204 |
| 205 main() |
| 206 { |
| 207 int n1, n2, n3; |
| 208 |
| 209 int i, rv; |
| 210 #ifdef OBJ_XREF_TEST2 |
| 211 for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++) |
| 212 { |
| 213 OBJ_add_sigid(sigoid_srt[i][0], sigoid_srt[i][1], |
| 214 sigoid_srt[i][2]); |
| 215 } |
| 216 #endif |
| 217 |
| 218 for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++) |
| 219 { |
| 220 n1 = sigoid_srt[i][0]; |
| 221 rv = OBJ_find_sigid_algs(n1, &n2, &n3); |
| 222 printf("Forward: %d, %s %s %s\n", rv, |
| 223 OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); |
| 224 n1=0; |
| 225 rv = OBJ_find_sigid_by_algs(&n1, n2, n3); |
| 226 printf("Reverse: %d, %s %s %s\n", rv, |
| 227 OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); |
| 228 } |
| 229 } |
| 230 |
| 231 #endif |
OLD | NEW |