1 /* 2 * Copyright (c) 2015, ARM Limited and Contributors. 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 are met: 6 * 7 * Redistributions of source code must retain the above copyright notice, this 8 * list of conditions and the following disclaimer. 9 * 10 * Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 14 * Neither the name of ARM nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific 16 * prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef KEY_H_ 32 #define KEY_H_ 33 34 #include <openssl/ossl_typ.h> 35 36 #define RSA_KEY_BITS 2048 37 38 /* Error codes */ 39 enum { 40 KEY_ERR_NONE, 41 KEY_ERR_MALLOC, 42 KEY_ERR_FILENAME, 43 KEY_ERR_OPEN, 44 KEY_ERR_LOAD 45 }; 46 47 /* Supported key algorithms */ 48 enum { 49 KEY_ALG_RSA, 50 #ifndef OPENSSL_NO_EC 51 KEY_ALG_ECDSA, 52 #endif /* OPENSSL_NO_EC */ 53 KEY_ALG_MAX_NUM 54 }; 55 56 /* 57 * This structure contains the relevant information to create the keys 58 * required to sign the certificates. 59 * 60 * One instance of this structure must be created for each key, usually in an 61 * array fashion. The filename is obtained at run time from the command line 62 * parameters 63 */ 64 typedef struct key_s { 65 int id; /* Key id */ 66 const char *opt; /* Command line option to specify a key */ 67 const char *help_msg; /* Help message */ 68 const char *desc; /* Key description (debug purposes) */ 69 char *fn; /* Filename to load/store the key */ 70 EVP_PKEY *key; /* Key container */ 71 } key_t; 72 73 /* Exported API */ 74 int key_init(void); 75 key_t *key_get_by_opt(const char *opt); 76 int key_new(key_t *key); 77 int key_create(key_t *key, int type); 78 int key_load(key_t *key, unsigned int *err_code); 79 int key_store(key_t *key); 80 81 /* Macro to register the keys used in the CoT */ 82 #define REGISTER_KEYS(_keys) \ 83 key_t *keys = &_keys[0]; \ 84 const unsigned int num_keys = sizeof(_keys)/sizeof(_keys[0]) 85 86 /* Exported variables */ 87 extern key_t *keys; 88 extern const unsigned int num_keys; 89 90 #endif /* KEY_H_ */ 91