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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 CERT_H_
#define CERT_H_
#include <openssl/ossl_typ.h>
#include <openssl/x509.h>
#include "ext.h"
#include "key.h"
#define CERT_MAX_EXT 4
/*
* This structure contains information related to the generation of the
* certificates. All these fields must be known and specified at build time
* except for the file name, which is picked up from the command line at
* run time.
*
* One instance of this structure must be created for each of the certificates
* present in the chain of trust.
*
* If the issuer points to this same instance, the generated certificate will
* be self-signed.
*/
typedef struct cert_s cert_t;
struct cert_s {
int id; /* Unique identifier */
const char *opt; /* Command line option to pass filename */
const char *fn; /* Filename to save the certificate */
const char *cn; /* Subject CN (Company Name) */
const char *help_msg; /* Help message */
/* These fields must be defined statically */
int key; /* Key to be signed */
int issuer; /* Issuer certificate */
int ext[CERT_MAX_EXT]; /* Certificate extensions */
int num_ext; /* Number of extensions in the certificate */
X509 *x; /* X509 certificate container */
};
/* Exported API */
int cert_init(void);
cert_t *cert_get_by_opt(const char *opt);
int cert_add_ext(X509 *issuer, X509 *subject, int nid, char *value);
int cert_new(cert_t *cert, int days, int ca, STACK_OF(X509_EXTENSION) * sk);
/* Macro to register the certificates used in the CoT */
#define REGISTER_COT(_certs) \
cert_t *certs = &_certs[0]; \
const unsigned int num_certs = sizeof(_certs)/sizeof(_certs[0])
/* Exported variables */
extern cert_t *certs;
extern const unsigned int num_certs;
#endif /* CERT_H_ */