1 /* 2 * Copyright (C) 2012 Red Hat Inc. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * * Redistributions of source code must retain the above 9 * copyright notice, this list of conditions and the 10 * following disclaimer. 11 * * Redistributions in binary form must reproduce the 12 * above copyright notice, this list of conditions and 13 * the following disclaimer in the documentation and/or 14 * other materials provided with the distribution. 15 * * The names of contributors to this software may not be 16 * used to endorse or promote products derived from this 17 * software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 22 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 23 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 25 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 26 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 27 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 28 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 29 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH 30 * DAMAGE. 31 * 32 * Author: Stef Walter <stefw@redhat.com> 33 */ 34 35 #include <libtasn1.h> 36 37 #include "dict.h" 38 39 #ifndef P11_ASN1_H_ 40 #define P11_ASN1_H_ 41 42 typedef struct _p11_asn1_cache p11_asn1_cache; 43 44 p11_dict * p11_asn1_defs_load (void); 45 46 node_asn * p11_asn1_decode (p11_dict *asn1_defs, 47 const char *struct_name, 48 const unsigned char *der, 49 size_t der_len, 50 char *message); 51 52 node_asn * p11_asn1_create (p11_dict *asn1_defs, 53 const char *struct_name); 54 55 unsigned char * p11_asn1_encode (node_asn *asn, 56 size_t *der_len); 57 58 void * p11_asn1_read (node_asn *asn, 59 const char *field, 60 size_t *length); 61 62 void p11_asn1_free (void *asn); 63 64 ssize_t p11_asn1_tlv_length (const unsigned char *data, 65 size_t length); 66 67 p11_asn1_cache * p11_asn1_cache_new (void); 68 69 p11_dict * p11_asn1_cache_defs (p11_asn1_cache *cache); 70 71 node_asn * p11_asn1_cache_get (p11_asn1_cache *cache, 72 const char *struct_name, 73 const unsigned char *der, 74 size_t der_len); 75 76 void p11_asn1_cache_take (p11_asn1_cache *cache, 77 node_asn *node, 78 const char *struct_name, 79 const unsigned char *der, 80 size_t der_len); 81 82 void p11_asn1_cache_flush (p11_asn1_cache *cache); 83 84 void p11_asn1_cache_free (p11_asn1_cache *cache); 85 86 #endif /* P11_ASN1_H_ */ 87