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Juan Castillo11abdcd2014-10-21 11:30:42 +01001/*
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 CERT_H_
32#define CERT_H_
33
34#include <openssl/ossl_typ.h>
35#include <openssl/x509.h>
Juan Castilloe6d30e92015-06-12 11:27:59 +010036#include "ext.h"
Juan Castillo11abdcd2014-10-21 11:30:42 +010037#include "key.h"
38
Juan Castilloe6d30e92015-06-12 11:27:59 +010039#define CERT_MAX_EXT 4
40
Juan Castillo11abdcd2014-10-21 11:30:42 +010041/*
42 * This structure contains information related to the generation of the
43 * certificates. All these fields must be known and specified at build time
44 * except for the file name, which is picked up from the command line at
45 * run time.
46 *
47 * One instance of this structure must be created for each of the certificates
48 * present in the chain of trust.
49 *
50 * If the issuer points to this same instance, the generated certificate will
51 * be self-signed.
52 */
53typedef struct cert_s cert_t;
54struct cert_s {
55 int id; /* Unique identifier */
56
Juan Castillo1218dd52015-07-03 16:23:16 +010057 const char *opt; /* Command line option to pass filename */
Juan Castillo11abdcd2014-10-21 11:30:42 +010058 const char *fn; /* Filename to save the certificate */
Juan Castillo11abdcd2014-10-21 11:30:42 +010059 const char *cn; /* Subject CN (Company Name) */
Juan Castillo212f7382015-12-15 16:37:57 +000060 const char *help_msg; /* Help message */
Juan Castillo11abdcd2014-10-21 11:30:42 +010061
Juan Castilloe6d30e92015-06-12 11:27:59 +010062 /* These fields must be defined statically */
63 int key; /* Key to be signed */
64 int issuer; /* Issuer certificate */
65 int ext[CERT_MAX_EXT]; /* Certificate extensions */
66 int num_ext; /* Number of extensions in the certificate */
Juan Castillo11abdcd2014-10-21 11:30:42 +010067
Juan Castilloe6d30e92015-06-12 11:27:59 +010068 X509 *x; /* X509 certificate container */
Juan Castillo11abdcd2014-10-21 11:30:42 +010069};
70
Juan Castilloe6d30e92015-06-12 11:27:59 +010071/* Exported API */
Juan Castillo1218dd52015-07-03 16:23:16 +010072int cert_init(void);
73cert_t *cert_get_by_opt(const char *opt);
Juan Castillo11abdcd2014-10-21 11:30:42 +010074int cert_add_ext(X509 *issuer, X509 *subject, int nid, char *value);
Juan Castillo11abdcd2014-10-21 11:30:42 +010075int cert_new(cert_t *cert, int days, int ca, STACK_OF(X509_EXTENSION) * sk);
76
Juan Castilloe6d30e92015-06-12 11:27:59 +010077/* Macro to register the certificates used in the CoT */
78#define REGISTER_COT(_certs) \
79 cert_t *certs = &_certs[0]; \
Sandrine Bailleuxdf8de2d2016-01-04 15:49:23 +000080 const unsigned int num_certs = sizeof(_certs)/sizeof(_certs[0])
Juan Castilloe6d30e92015-06-12 11:27:59 +010081
82/* Exported variables */
83extern cert_t *certs;
84extern const unsigned int num_certs;
85
Juan Castillo11abdcd2014-10-21 11:30:42 +010086#endif /* CERT_H_ */