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| 1 /* ==================================================================== | |
| 2 * Copyright (c) 2006 The OpenSSL Project. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * | |
| 8 * 1. Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * | |
| 11 * 2. Redistributions in binary form must reproduce the above copyright | |
| 12 * notice, this list of conditions and the following disclaimer in | |
| 13 * the documentation and/or other materials provided with the | |
| 14 * distribution. | |
| 15 * | |
| 16 * 3. All advertising materials mentioning features or use of this | |
| 17 * software must display the following acknowledgment: | |
| 18 * "This product includes software developed by the OpenSSL Project | |
| 19 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
| 20 * | |
| 21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
| 22 * endorse or promote products derived from this software without | |
| 23 * prior written permission. For written permission, please contact | |
| 24 * licensing@OpenSSL.org. | |
| 25 * | |
| 26 * 5. Products derived from this software may not be called "OpenSSL" | |
| 27 * nor may "OpenSSL" appear in their names without prior written | |
| 28 * permission of the OpenSSL Project. | |
| 29 * | |
| 30 * 6. Redistributions of any form whatsoever must retain the following | |
| 31 * acknowledgment: | |
| 32 * "This product includes software developed by the OpenSSL Project | |
| 33 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
| 34 * | |
| 35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
| 36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
| 39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
| 41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
| 44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
| 45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
| 46 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 47 * ==================================================================== | |
| 48 * | |
| 49 * This product includes cryptographic software written by Eric Young | |
| 50 * (eay@cryptsoft.com). This product includes software written by Tim | |
| 51 * Hudson (tjh@cryptsoft.com). | |
| 52 * | |
| 53 */ | |
| 54 | |
| 55 #include "eng_int.h" | |
| 56 #include <openssl/evp.h> | |
| 57 | |
| 58 /* If this symbol is defined then ENGINE_get_pkey_meth_engine(), the function | |
| 59 * that is used by EVP to hook in pkey_meth code and cache defaults (etc), will | |
| 60 * display brief debugging summaries to stderr with the 'nid'. */ | |
| 61 /* #define ENGINE_PKEY_METH_DEBUG */ | |
| 62 | |
| 63 static ENGINE_TABLE *pkey_meth_table = NULL; | |
| 64 | |
| 65 void ENGINE_unregister_pkey_meths(ENGINE *e) | |
| 66 { | |
| 67 engine_table_unregister(&pkey_meth_table, e); | |
| 68 } | |
| 69 | |
| 70 static void engine_unregister_all_pkey_meths(void) | |
| 71 { | |
| 72 engine_table_cleanup(&pkey_meth_table); | |
| 73 } | |
| 74 | |
| 75 int ENGINE_register_pkey_meths(ENGINE *e) | |
| 76 { | |
| 77 if(e->pkey_meths) | |
| 78 { | |
| 79 const int *nids; | |
| 80 int num_nids = e->pkey_meths(e, NULL, &nids, 0); | |
| 81 if(num_nids > 0) | |
| 82 return engine_table_register(&pkey_meth_table, | |
| 83 engine_unregister_all_pkey_meths, e, nids, | |
| 84 num_nids, 0); | |
| 85 } | |
| 86 return 1; | |
| 87 } | |
| 88 | |
| 89 void ENGINE_register_all_pkey_meths() | |
| 90 { | |
| 91 ENGINE *e; | |
| 92 | |
| 93 for(e=ENGINE_get_first() ; e ; e=ENGINE_get_next(e)) | |
| 94 ENGINE_register_pkey_meths(e); | |
| 95 } | |
| 96 | |
| 97 int ENGINE_set_default_pkey_meths(ENGINE *e) | |
| 98 { | |
| 99 if(e->pkey_meths) | |
| 100 { | |
| 101 const int *nids; | |
| 102 int num_nids = e->pkey_meths(e, NULL, &nids, 0); | |
| 103 if(num_nids > 0) | |
| 104 return engine_table_register(&pkey_meth_table, | |
| 105 engine_unregister_all_pkey_meths, e, nids, | |
| 106 num_nids, 1); | |
| 107 } | |
| 108 return 1; | |
| 109 } | |
| 110 | |
| 111 /* Exposed API function to get a functional reference from the implementation | |
| 112 * table (ie. try to get a functional reference from the tabled structural | |
| 113 * references) for a given pkey_meth 'nid' */ | |
| 114 ENGINE *ENGINE_get_pkey_meth_engine(int nid) | |
| 115 { | |
| 116 return engine_table_select(&pkey_meth_table, nid); | |
| 117 } | |
| 118 | |
| 119 /* Obtains a pkey_meth implementation from an ENGINE functional reference */ | |
| 120 const EVP_PKEY_METHOD *ENGINE_get_pkey_meth(ENGINE *e, int nid) | |
| 121 { | |
| 122 EVP_PKEY_METHOD *ret; | |
| 123 ENGINE_PKEY_METHS_PTR fn = ENGINE_get_pkey_meths(e); | |
| 124 if(!fn || !fn(e, &ret, NULL, nid)) | |
| 125 { | |
| 126 ENGINEerr(ENGINE_F_ENGINE_GET_PKEY_METH, | |
| 127 ENGINE_R_UNIMPLEMENTED_PUBLIC_KEY_METHOD); | |
| 128 return NULL; | |
| 129 } | |
| 130 return ret; | |
| 131 } | |
| 132 | |
| 133 /* Gets the pkey_meth callback from an ENGINE structure */ | |
| 134 ENGINE_PKEY_METHS_PTR ENGINE_get_pkey_meths(const ENGINE *e) | |
| 135 { | |
| 136 return e->pkey_meths; | |
| 137 } | |
| 138 | |
| 139 /* Sets the pkey_meth callback in an ENGINE structure */ | |
| 140 int ENGINE_set_pkey_meths(ENGINE *e, ENGINE_PKEY_METHS_PTR f) | |
| 141 { | |
| 142 e->pkey_meths = f; | |
| 143 return 1; | |
| 144 } | |
| 145 | |
| 146 /* Internal function to free up EVP_PKEY_METHOD structures before an | |
| 147 * ENGINE is destroyed | |
| 148 */ | |
| 149 | |
| 150 void engine_pkey_meths_free(ENGINE *e) | |
| 151 { | |
| 152 int i; | |
| 153 EVP_PKEY_METHOD *pkm; | |
| 154 if (e->pkey_meths) | |
| 155 { | |
| 156 const int *pknids; | |
| 157 int npknids; | |
| 158 npknids = e->pkey_meths(e, NULL, &pknids, 0); | |
| 159 for (i = 0; i < npknids; i++) | |
| 160 { | |
| 161 if (e->pkey_meths(e, &pkm, NULL, pknids[i])) | |
| 162 { | |
| 163 EVP_PKEY_meth_free(pkm); | |
| 164 } | |
| 165 } | |
| 166 } | |
| 167 } | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master