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 CERT_H_ 32 #define CERT_H_ 33 34 #include <openssl/ossl_typ.h> 35 #include <openssl/x509.h> 36 #include "ext.h" 37 #include "key.h" 38 39 #define CERT_MAX_EXT 4 40 41 /* 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 */ 53 typedef struct cert_s cert_t; 54 struct cert_s { 55 int id; /* Unique identifier */ 56 57 const char *opt; /* Command line option to pass filename */ 58 const char *fn; /* Filename to save the certificate */ 59 const char *cn; /* Subject CN (Company Name) */ 60 61 /* These fields must be defined statically */ 62 int key; /* Key to be signed */ 63 int issuer; /* Issuer certificate */ 64 int ext[CERT_MAX_EXT]; /* Certificate extensions */ 65 int num_ext; /* Number of extensions in the certificate */ 66 67 X509 *x; /* X509 certificate container */ 68 }; 69 70 /* Exported API */ 71 int cert_init(void); 72 cert_t *cert_get_by_opt(const char *opt); 73 int cert_add_ext(X509 *issuer, X509 *subject, int nid, char *value); 74 int cert_new(cert_t *cert, int days, int ca, STACK_OF(X509_EXTENSION) * sk); 75 76 /* Macro to register the certificates used in the CoT */ 77 #define REGISTER_COT(_certs) \ 78 cert_t *certs = &_certs[0]; \ 79 const unsigned int num_certs = sizeof(_certs)/sizeof(_certs[0]); 80 81 /* Exported variables */ 82 extern cert_t *certs; 83 extern const unsigned int num_certs; 84 85 #endif /* CERT_H_ */ 86