1 /* crypto/engine/eng_pkey.c */ 2 /* ==================================================================== 3 * Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in 14 * the documentation and/or other materials provided with the 15 * distribution. 16 * 17 * 3. All advertising materials mentioning features or use of this 18 * software must display the following acknowledgment: 19 * "This product includes software developed by the OpenSSL Project 20 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" 21 * 22 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 23 * endorse or promote products derived from this software without 24 * prior written permission. For written permission, please contact 25 * licensing@OpenSSL.org. 26 * 27 * 5. Products derived from this software may not be called "OpenSSL" 28 * nor may "OpenSSL" appear in their names without prior written 29 * permission of the OpenSSL Project. 30 * 31 * 6. Redistributions of any form whatsoever must retain the following 32 * acknowledgment: 33 * "This product includes software developed by the OpenSSL Project 34 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" 35 * 36 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 37 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 38 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 39 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 40 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 41 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 42 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 43 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 44 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 45 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 46 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 47 * OF THE POSSIBILITY OF SUCH DAMAGE. 48 * ==================================================================== 49 * 50 * This product includes cryptographic software written by Eric Young 51 * (eay@cryptsoft.com). This product includes software written by Tim 52 * Hudson (tjh@cryptsoft.com). 53 * 54 */ 55 56 #include <openssl/crypto.h> 57 #include "cryptlib.h" 58 #include "eng_int.h" 59 #include <openssl/engine.h> 60 61 /* Basic get/set stuff */ 62 63 int ENGINE_set_load_privkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpriv_f) 64 { 65 e->load_privkey = loadpriv_f; 66 return 1; 67 } 68 69 int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f) 70 { 71 e->load_pubkey = loadpub_f; 72 return 1; 73 } 74 75 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e) 76 { 77 return e->load_privkey; 78 } 79 80 ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e) 81 { 82 return e->load_pubkey; 83 } 84 85 /* API functions to load public/private keys */ 86 87 EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id, 88 UI_METHOD *ui_method, void *callback_data) 89 { 90 EVP_PKEY *pkey; 91 92 if(e == NULL) 93 { 94 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, 95 ERR_R_PASSED_NULL_PARAMETER); 96 return 0; 97 } 98 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 99 if(e->funct_ref == 0) 100 { 101 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 102 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, 103 ENGINE_R_NOT_INITIALISED); 104 return 0; 105 } 106 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 107 if (!e->load_privkey) 108 { 109 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, 110 ENGINE_R_NO_LOAD_FUNCTION); 111 return 0; 112 } 113 pkey = e->load_privkey(e, key_id, ui_method, callback_data); 114 if (!pkey) 115 { 116 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, 117 ENGINE_R_FAILED_LOADING_PRIVATE_KEY); 118 return 0; 119 } 120 return pkey; 121 } 122 123 EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id, 124 UI_METHOD *ui_method, void *callback_data) 125 { 126 EVP_PKEY *pkey; 127 128 if(e == NULL) 129 { 130 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, 131 ERR_R_PASSED_NULL_PARAMETER); 132 return 0; 133 } 134 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 135 if(e->funct_ref == 0) 136 { 137 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 138 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, 139 ENGINE_R_NOT_INITIALISED); 140 return 0; 141 } 142 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 143 if (!e->load_pubkey) 144 { 145 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, 146 ENGINE_R_NO_LOAD_FUNCTION); 147 return 0; 148 } 149 pkey = e->load_pubkey(e, key_id, ui_method, callback_data); 150 if (!pkey) 151 { 152 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, 153 ENGINE_R_FAILED_LOADING_PUBLIC_KEY); 154 return 0; 155 } 156 return pkey; 157 } 158