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 "eng_int.h" 57 58 /* Basic get/set stuff */ 59 60 int ENGINE_set_load_privkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpriv_f) 61 { 62 e->load_privkey = loadpriv_f; 63 return 1; 64 } 65 66 int ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f) 67 { 68 e->load_pubkey = loadpub_f; 69 return 1; 70 } 71 72 ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e) 73 { 74 return e->load_privkey; 75 } 76 77 ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e) 78 { 79 return e->load_pubkey; 80 } 81 82 /* API functions to load public/private keys */ 83 84 EVP_PKEY *ENGINE_load_private_key(ENGINE *e, const char *key_id, 85 UI_METHOD *ui_method, void *callback_data) 86 { 87 EVP_PKEY *pkey; 88 89 if(e == NULL) 90 { 91 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, 92 ERR_R_PASSED_NULL_PARAMETER); 93 return 0; 94 } 95 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 96 if(e->funct_ref == 0) 97 { 98 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 99 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, 100 ENGINE_R_NOT_INITIALISED); 101 return 0; 102 } 103 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 104 if (!e->load_privkey) 105 { 106 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, 107 ENGINE_R_NO_LOAD_FUNCTION); 108 return 0; 109 } 110 pkey = e->load_privkey(e, key_id, ui_method, callback_data); 111 if (!pkey) 112 { 113 ENGINEerr(ENGINE_F_ENGINE_LOAD_PRIVATE_KEY, 114 ENGINE_R_FAILED_LOADING_PRIVATE_KEY); 115 return 0; 116 } 117 return pkey; 118 } 119 120 EVP_PKEY *ENGINE_load_public_key(ENGINE *e, const char *key_id, 121 UI_METHOD *ui_method, void *callback_data) 122 { 123 EVP_PKEY *pkey; 124 125 if(e == NULL) 126 { 127 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, 128 ERR_R_PASSED_NULL_PARAMETER); 129 return 0; 130 } 131 CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); 132 if(e->funct_ref == 0) 133 { 134 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 135 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, 136 ENGINE_R_NOT_INITIALISED); 137 return 0; 138 } 139 CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); 140 if (!e->load_pubkey) 141 { 142 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, 143 ENGINE_R_NO_LOAD_FUNCTION); 144 return 0; 145 } 146 pkey = e->load_pubkey(e, key_id, ui_method, callback_data); 147 if (!pkey) 148 { 149 ENGINEerr(ENGINE_F_ENGINE_LOAD_PUBLIC_KEY, 150 ENGINE_R_FAILED_LOADING_PUBLIC_KEY); 151 return 0; 152 } 153 return pkey; 154 } 155