der.h revision 55682
155682Smarkm/* 255682Smarkm * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska H�gskolan 355682Smarkm * (Royal Institute of Technology, Stockholm, Sweden). 455682Smarkm * All rights reserved. 555682Smarkm * 655682Smarkm * Redistribution and use in source and binary forms, with or without 755682Smarkm * modification, are permitted provided that the following conditions 855682Smarkm * are met: 955682Smarkm * 1055682Smarkm * 1. Redistributions of source code must retain the above copyright 1155682Smarkm * notice, this list of conditions and the following disclaimer. 1255682Smarkm * 1355682Smarkm * 2. Redistributions in binary form must reproduce the above copyright 1455682Smarkm * notice, this list of conditions and the following disclaimer in the 1555682Smarkm * documentation and/or other materials provided with the distribution. 1655682Smarkm * 1755682Smarkm * 3. Neither the name of the Institute nor the names of its contributors 1855682Smarkm * may be used to endorse or promote products derived from this software 1955682Smarkm * without specific prior written permission. 2055682Smarkm * 2155682Smarkm * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 2255682Smarkm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2355682Smarkm * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2455682Smarkm * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 2555682Smarkm * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2655682Smarkm * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2755682Smarkm * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2855682Smarkm * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2955682Smarkm * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3055682Smarkm * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3155682Smarkm * SUCH DAMAGE. 3255682Smarkm */ 3355682Smarkm 3455682Smarkm/* $Id: der.h,v 1.18 1999/12/02 17:05:01 joda Exp $ */ 3555682Smarkm 3655682Smarkm#ifndef __DER_H__ 3755682Smarkm#define __DER_H__ 3855682Smarkm 3955682Smarkm#include <time.h> 4055682Smarkm 4155682Smarkmtypedef enum {UNIV = 0, APPL = 1, CONTEXT = 2 , PRIVATE = 3} Der_class; 4255682Smarkm 4355682Smarkmtypedef enum {PRIM = 0, CONS = 1} Der_type; 4455682Smarkm 4555682Smarkm/* Universal tags */ 4655682Smarkm 4755682Smarkmenum { 4855682Smarkm UT_Integer = 2, 4955682Smarkm UT_BitString = 3, 5055682Smarkm UT_OctetString = 4, 5155682Smarkm UT_Null = 5, 5255682Smarkm UT_ObjID = 6, 5355682Smarkm UT_Sequence = 16, 5455682Smarkm UT_Set = 17, 5555682Smarkm UT_PrintableString = 19, 5655682Smarkm UT_IA5String = 22, 5755682Smarkm UT_UTCTime = 23, 5855682Smarkm UT_GeneralizedTime = 24, 5955682Smarkm UT_VisibleString = 26, 6055682Smarkm UT_GeneralString = 27 6155682Smarkm}; 6255682Smarkm 6355682Smarkm#define ASN1_INDEFINITE 0xdce0deed 6455682Smarkm 6555682Smarkm#ifndef HAVE_TIMEGM 6655682Smarkmtime_t timegm (struct tm *); 6755682Smarkm#endif 6855682Smarkm 6955682Smarkmvoid time2generalizedtime (time_t t, octet_string *s); 7055682Smarkm 7155682Smarkmint der_get_int (const unsigned char *p, size_t len, int *ret, size_t *size); 7255682Smarkmint der_get_length (const unsigned char *p, size_t len, 7355682Smarkm size_t *val, size_t *size); 7455682Smarkmint der_get_general_string (const unsigned char *p, size_t len, 7555682Smarkm general_string *str, size_t *size); 7655682Smarkmint der_get_octet_string (const unsigned char *p, size_t len, 7755682Smarkm octet_string *data, size_t *size); 7855682Smarkmint der_get_tag (const unsigned char *p, size_t len, 7955682Smarkm Der_class *class, Der_type *type, 8055682Smarkm int *tag, size_t *size); 8155682Smarkm 8255682Smarkmint der_match_tag (const unsigned char *p, size_t len, 8355682Smarkm Der_class class, Der_type type, 8455682Smarkm int tag, size_t *size); 8555682Smarkmint der_match_tag_and_length (const unsigned char *p, size_t len, 8655682Smarkm Der_class class, Der_type type, int tag, 8755682Smarkm size_t *length_ret, size_t *size); 8855682Smarkm 8955682Smarkmint decode_integer (const unsigned char*, size_t, int*, size_t*); 9055682Smarkmint decode_general_string (const unsigned char*, size_t, 9155682Smarkm general_string*, size_t*); 9255682Smarkmint decode_octet_string (const unsigned char*, size_t, octet_string*, size_t*); 9355682Smarkmint decode_generalized_time (const unsigned char*, size_t, time_t*, size_t*); 9455682Smarkm 9555682Smarkmint der_put_int (unsigned char *p, size_t len, int val, size_t*); 9655682Smarkmint der_put_length (unsigned char *p, size_t len, size_t val, size_t*); 9755682Smarkmint der_put_general_string (unsigned char *p, size_t len, 9855682Smarkm const general_string *str, size_t*); 9955682Smarkmint der_put_octet_string (unsigned char *p, size_t len, 10055682Smarkm const octet_string *data, size_t*); 10155682Smarkmint der_put_tag (unsigned char *p, size_t len, Der_class class, Der_type type, 10255682Smarkm int tag, size_t*); 10355682Smarkmint der_put_length_and_tag (unsigned char*, size_t, size_t, 10455682Smarkm Der_class, Der_type, int, size_t*); 10555682Smarkm 10655682Smarkmint encode_integer (unsigned char *p, size_t len, 10755682Smarkm const int *data, size_t*); 10855682Smarkmint encode_general_string (unsigned char *p, size_t len, 10955682Smarkm const general_string *data, size_t*); 11055682Smarkmint encode_octet_string (unsigned char *p, size_t len, 11155682Smarkm const octet_string *k, size_t*); 11255682Smarkmint encode_generalized_time (unsigned char *p, size_t len, 11355682Smarkm const time_t *t, size_t*); 11455682Smarkm 11555682Smarkmvoid free_integer (int *num); 11655682Smarkmvoid free_general_string (general_string *str); 11755682Smarkmvoid free_octet_string (octet_string *k); 11855682Smarkmvoid free_generalized_time (time_t *t); 11955682Smarkm 12055682Smarkmsize_t length_len (size_t len); 12155682Smarkmsize_t length_integer (const int *data); 12255682Smarkmsize_t length_general_string (const general_string *data); 12355682Smarkmsize_t length_octet_string (const octet_string *k); 12455682Smarkmsize_t length_generalized_time (const time_t *t); 12555682Smarkm 12655682Smarkmint copy_general_string (const general_string *from, general_string *to); 12755682Smarkmint copy_octet_string (const octet_string *from, octet_string *to); 12855682Smarkm 12955682Smarkmint fix_dce(size_t reallen, size_t *len); 13055682Smarkm 13155682Smarkm#endif /* __DER_H__ */ 13255682Smarkm 133