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 EXT_H_ 32 #define EXT_H_ 33 34 #include <openssl/x509v3.h> 35 36 /* 37 * This structure contains the relevant information to create the extensions 38 * to be included in the certificates. This extensions will be used to 39 * establish the chain of trust. 40 */ 41 typedef struct ext_s { 42 const char *oid; /* OID of the extension */ 43 const char *sn; /* Short name */ 44 const char *ln; /* Long description */ 45 int type; /* OpenSSL ASN1 type of the extension data. 46 * Supported types are: 47 * - V_ASN1_INTEGER 48 * - V_ASN1_OCTET_STRING 49 */ 50 int alias; /* In case OpenSSL provides an standard 51 * extension of the same type, add the new 52 * extension as an alias of this one 53 */ 54 55 X509V3_EXT_METHOD method; /* This field may be used to define a custom 56 * function to print the contents of the 57 * extension */ 58 } ext_t; 59 60 enum { 61 EXT_NON_CRIT = 0, 62 EXT_CRIT = !EXT_NON_CRIT, 63 }; 64 65 int ext_init(ext_t *tbb_ext); 66 X509_EXTENSION *ext_new_hash(int nid, int crit, unsigned char *buf, size_t len); 67 X509_EXTENSION *ext_new_nvcounter(int nid, int crit, int value); 68 X509_EXTENSION *ext_new_key(int nid, int crit, EVP_PKEY *k); 69 70 #endif /* EXT_H_ */ 71