1238384Sjkim/* crypto/objects/obj_xref.c */ 2280304Sjkim/* 3280304Sjkim * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project 4280304Sjkim * 2006. 5238384Sjkim */ 6238384Sjkim/* ==================================================================== 7238384Sjkim * Copyright (c) 2006 The OpenSSL Project. All rights reserved. 8238384Sjkim * 9238384Sjkim * Redistribution and use in source and binary forms, with or without 10238384Sjkim * modification, are permitted provided that the following conditions 11238384Sjkim * are met: 12238384Sjkim * 13238384Sjkim * 1. Redistributions of source code must retain the above copyright 14280304Sjkim * notice, this list of conditions and the following disclaimer. 15238384Sjkim * 16238384Sjkim * 2. Redistributions in binary form must reproduce the above copyright 17238384Sjkim * notice, this list of conditions and the following disclaimer in 18238384Sjkim * the documentation and/or other materials provided with the 19238384Sjkim * distribution. 20238384Sjkim * 21238384Sjkim * 3. All advertising materials mentioning features or use of this 22238384Sjkim * software must display the following acknowledgment: 23238384Sjkim * "This product includes software developed by the OpenSSL Project 24238384Sjkim * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 25238384Sjkim * 26238384Sjkim * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 27238384Sjkim * endorse or promote products derived from this software without 28238384Sjkim * prior written permission. For written permission, please contact 29238384Sjkim * licensing@OpenSSL.org. 30238384Sjkim * 31238384Sjkim * 5. Products derived from this software may not be called "OpenSSL" 32238384Sjkim * nor may "OpenSSL" appear in their names without prior written 33238384Sjkim * permission of the OpenSSL Project. 34238384Sjkim * 35238384Sjkim * 6. Redistributions of any form whatsoever must retain the following 36238384Sjkim * acknowledgment: 37238384Sjkim * "This product includes software developed by the OpenSSL Project 38238384Sjkim * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 39238384Sjkim * 40238384Sjkim * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 41238384Sjkim * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 42238384Sjkim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 43238384Sjkim * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 44238384Sjkim * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 45238384Sjkim * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 46238384Sjkim * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 47238384Sjkim * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48238384Sjkim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 49238384Sjkim * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 50238384Sjkim * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 51238384Sjkim * OF THE POSSIBILITY OF SUCH DAMAGE. 52238384Sjkim * ==================================================================== 53238384Sjkim * 54238384Sjkim * This product includes cryptographic software written by Eric Young 55238384Sjkim * (eay@cryptsoft.com). This product includes software written by Tim 56238384Sjkim * Hudson (tjh@cryptsoft.com). 57238384Sjkim * 58238384Sjkim */ 59238384Sjkim 60238384Sjkim#include <openssl/objects.h> 61238384Sjkim#include "obj_xref.h" 62238384Sjkim 63238384SjkimDECLARE_STACK_OF(nid_triple) 64238384SjkimSTACK_OF(nid_triple) *sig_app, *sigx_app; 65238384Sjkim 66238384Sjkimstatic int sig_cmp(const nid_triple *a, const nid_triple *b) 67280304Sjkim{ 68280304Sjkim return a->sign_id - b->sign_id; 69280304Sjkim} 70238384Sjkim 71238384SjkimDECLARE_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); 72238384SjkimIMPLEMENT_OBJ_BSEARCH_CMP_FN(nid_triple, nid_triple, sig); 73238384Sjkim 74280304Sjkimstatic int sig_sk_cmp(const nid_triple *const *a, const nid_triple *const *b) 75280304Sjkim{ 76280304Sjkim return (*a)->sign_id - (*b)->sign_id; 77280304Sjkim} 78238384Sjkim 79238384SjkimDECLARE_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); 80238384Sjkim 81280304Sjkimstatic int sigx_cmp(const nid_triple *const *a, const nid_triple *const *b) 82280304Sjkim{ 83280304Sjkim int ret; 84280304Sjkim ret = (*a)->hash_id - (*b)->hash_id; 85280304Sjkim if (ret) 86280304Sjkim return ret; 87280304Sjkim return (*a)->pkey_id - (*b)->pkey_id; 88280304Sjkim} 89238384Sjkim 90238384SjkimIMPLEMENT_OBJ_BSEARCH_CMP_FN(const nid_triple *, const nid_triple *, sigx); 91238384Sjkim 92238384Sjkimint OBJ_find_sigid_algs(int signid, int *pdig_nid, int *ppkey_nid) 93280304Sjkim{ 94280304Sjkim nid_triple tmp; 95280304Sjkim const nid_triple *rv = NULL; 96280304Sjkim tmp.sign_id = signid; 97238384Sjkim 98280304Sjkim if (sig_app) { 99280304Sjkim int idx = sk_nid_triple_find(sig_app, &tmp); 100280304Sjkim if (idx >= 0) 101280304Sjkim rv = sk_nid_triple_value(sig_app, idx); 102280304Sjkim } 103238384Sjkim#ifndef OBJ_XREF_TEST2 104280304Sjkim if (rv == NULL) { 105280304Sjkim rv = OBJ_bsearch_sig(&tmp, sigoid_srt, 106280304Sjkim sizeof(sigoid_srt) / sizeof(nid_triple)); 107280304Sjkim } 108238384Sjkim#endif 109280304Sjkim if (rv == NULL) 110280304Sjkim return 0; 111280304Sjkim if (pdig_nid) 112280304Sjkim *pdig_nid = rv->hash_id; 113280304Sjkim if (ppkey_nid) 114280304Sjkim *ppkey_nid = rv->pkey_id; 115280304Sjkim return 1; 116280304Sjkim} 117238384Sjkim 118238384Sjkimint OBJ_find_sigid_by_algs(int *psignid, int dig_nid, int pkey_nid) 119280304Sjkim{ 120280304Sjkim nid_triple tmp; 121280304Sjkim const nid_triple *t = &tmp; 122280304Sjkim const nid_triple **rv = NULL; 123238384Sjkim 124280304Sjkim tmp.hash_id = dig_nid; 125280304Sjkim tmp.pkey_id = pkey_nid; 126238384Sjkim 127280304Sjkim if (sigx_app) { 128280304Sjkim int idx = sk_nid_triple_find(sigx_app, &tmp); 129280304Sjkim if (idx >= 0) { 130280304Sjkim t = sk_nid_triple_value(sigx_app, idx); 131280304Sjkim rv = &t; 132280304Sjkim } 133280304Sjkim } 134238384Sjkim#ifndef OBJ_XREF_TEST2 135280304Sjkim if (rv == NULL) { 136280304Sjkim rv = OBJ_bsearch_sigx(&t, sigoid_srt_xref, 137280304Sjkim sizeof(sigoid_srt_xref) / sizeof(nid_triple *) 138280304Sjkim ); 139280304Sjkim } 140238384Sjkim#endif 141280304Sjkim if (rv == NULL) 142280304Sjkim return 0; 143280304Sjkim if (psignid) 144280304Sjkim *psignid = (*rv)->sign_id; 145280304Sjkim return 1; 146280304Sjkim} 147238384Sjkim 148238384Sjkimint OBJ_add_sigid(int signid, int dig_id, int pkey_id) 149280304Sjkim{ 150280304Sjkim nid_triple *ntr; 151280304Sjkim if (!sig_app) 152280304Sjkim sig_app = sk_nid_triple_new(sig_sk_cmp); 153280304Sjkim if (!sig_app) 154280304Sjkim return 0; 155280304Sjkim if (!sigx_app) 156280304Sjkim sigx_app = sk_nid_triple_new(sigx_cmp); 157280304Sjkim if (!sigx_app) 158280304Sjkim return 0; 159280304Sjkim ntr = OPENSSL_malloc(sizeof(int) * 3); 160280304Sjkim if (!ntr) 161280304Sjkim return 0; 162280304Sjkim ntr->sign_id = signid; 163280304Sjkim ntr->hash_id = dig_id; 164280304Sjkim ntr->pkey_id = pkey_id; 165238384Sjkim 166280304Sjkim if (!sk_nid_triple_push(sig_app, ntr)) { 167280304Sjkim OPENSSL_free(ntr); 168280304Sjkim return 0; 169280304Sjkim } 170238384Sjkim 171280304Sjkim if (!sk_nid_triple_push(sigx_app, ntr)) 172280304Sjkim return 0; 173238384Sjkim 174280304Sjkim sk_nid_triple_sort(sig_app); 175280304Sjkim sk_nid_triple_sort(sigx_app); 176238384Sjkim 177280304Sjkim return 1; 178280304Sjkim} 179238384Sjkim 180238384Sjkimstatic void sid_free(nid_triple *tt) 181280304Sjkim{ 182280304Sjkim OPENSSL_free(tt); 183280304Sjkim} 184238384Sjkim 185238384Sjkimvoid OBJ_sigid_free(void) 186280304Sjkim{ 187280304Sjkim if (sig_app) { 188280304Sjkim sk_nid_triple_pop_free(sig_app, sid_free); 189280304Sjkim sig_app = NULL; 190280304Sjkim } 191280304Sjkim if (sigx_app) { 192280304Sjkim sk_nid_triple_free(sigx_app); 193280304Sjkim sigx_app = NULL; 194280304Sjkim } 195280304Sjkim} 196280304Sjkim 197238384Sjkim#ifdef OBJ_XREF_TEST 198238384Sjkim 199238384Sjkimmain() 200280304Sjkim{ 201280304Sjkim int n1, n2, n3; 202238384Sjkim 203280304Sjkim int i, rv; 204280304Sjkim# ifdef OBJ_XREF_TEST2 205280304Sjkim for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++) { 206280304Sjkim OBJ_add_sigid(sigoid_srt[i][0], sigoid_srt[i][1], sigoid_srt[i][2]); 207280304Sjkim } 208280304Sjkim# endif 209238384Sjkim 210280304Sjkim for (i = 0; i < sizeof(sigoid_srt) / sizeof(nid_triple); i++) { 211280304Sjkim n1 = sigoid_srt[i][0]; 212280304Sjkim rv = OBJ_find_sigid_algs(n1, &n2, &n3); 213280304Sjkim printf("Forward: %d, %s %s %s\n", rv, 214280304Sjkim OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); 215280304Sjkim n1 = 0; 216280304Sjkim rv = OBJ_find_sigid_by_algs(&n1, n2, n3); 217280304Sjkim printf("Reverse: %d, %s %s %s\n", rv, 218280304Sjkim OBJ_nid2ln(n1), OBJ_nid2ln(n2), OBJ_nid2ln(n3)); 219280304Sjkim } 220280304Sjkim} 221280304Sjkim 222238384Sjkim#endif 223