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/*
* Copyright (c) 2015, ARM Limited and Contributors. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* Neither the name of ARM nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef KEY_H_
#define KEY_H_
#include <openssl/ossl_typ.h>
#define RSA_KEY_BITS 2048
/* Error codes */
enum {
KEY_ERR_NONE,
KEY_ERR_MALLOC,
KEY_ERR_FILENAME,
KEY_ERR_OPEN,
KEY_ERR_LOAD
};
/* Supported key algorithms */
enum {
KEY_ALG_RSA,
#ifndef OPENSSL_NO_EC
KEY_ALG_ECDSA,
#endif /* OPENSSL_NO_EC */
KEY_ALG_MAX_NUM
};
/*
* This structure contains the relevant information to create the keys
* required to sign the certificates.
*
* One instance of this structure must be created for each key, usually in an
* array fashion. The filename is obtained at run time from the command line
* parameters
*/
typedef struct key_s {
int id; /* Key id */
const char *opt; /* Command line option to specify a key */
const char *help_msg; /* Help message */
const char *desc; /* Key description (debug purposes) */
char *fn; /* Filename to load/store the key */
EVP_PKEY *key; /* Key container */
} key_t;
/* Exported API */
int key_init(void);
key_t *key_get_by_opt(const char *opt);
int key_new(key_t *key);
int key_create(key_t *key, int type);
int key_load(key_t *key, unsigned int *err_code);
int key_store(key_t *key);
/* Macro to register the keys used in the CoT */
#define REGISTER_KEYS(_keys) \
key_t *keys = &_keys[0]; \
const unsigned int num_keys = sizeof(_keys)/sizeof(_keys[0])
/* Exported variables */
extern key_t *keys;
extern const unsigned int num_keys;
#endif /* KEY_H_ */