133 lines
4.9 KiB
C
133 lines
4.9 KiB
C
/*
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* Copyright (c) 1997, 1998, 1999 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* $Id: der.h,v 1.18 1999/12/02 17:05:01 joda Exp $ */
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#ifndef __DER_H__
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#define __DER_H__
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#include <time.h>
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typedef enum {UNIV = 0, APPL = 1, CONTEXT = 2 , PRIVATE = 3} Der_class;
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typedef enum {PRIM = 0, CONS = 1} Der_type;
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/* Universal tags */
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enum {
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UT_Integer = 2,
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UT_BitString = 3,
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UT_OctetString = 4,
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UT_Null = 5,
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UT_ObjID = 6,
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UT_Sequence = 16,
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UT_Set = 17,
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UT_PrintableString = 19,
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UT_IA5String = 22,
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UT_UTCTime = 23,
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UT_GeneralizedTime = 24,
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UT_VisibleString = 26,
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UT_GeneralString = 27
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};
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#define ASN1_INDEFINITE 0xdce0deed
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#ifndef HAVE_TIMEGM
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time_t timegm (struct tm *);
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#endif
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void time2generalizedtime (time_t t, octet_string *s);
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int der_get_int (const unsigned char *p, size_t len, int *ret, size_t *size);
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int der_get_length (const unsigned char *p, size_t len,
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size_t *val, size_t *size);
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int der_get_general_string (const unsigned char *p, size_t len,
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general_string *str, size_t *size);
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int der_get_octet_string (const unsigned char *p, size_t len,
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octet_string *data, size_t *size);
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int der_get_tag (const unsigned char *p, size_t len,
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Der_class *class, Der_type *type,
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int *tag, size_t *size);
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int der_match_tag (const unsigned char *p, size_t len,
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Der_class class, Der_type type,
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int tag, size_t *size);
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int der_match_tag_and_length (const unsigned char *p, size_t len,
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Der_class class, Der_type type, int tag,
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size_t *length_ret, size_t *size);
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int decode_integer (const unsigned char*, size_t, int*, size_t*);
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int decode_general_string (const unsigned char*, size_t,
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general_string*, size_t*);
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int decode_octet_string (const unsigned char*, size_t, octet_string*, size_t*);
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int decode_generalized_time (const unsigned char*, size_t, time_t*, size_t*);
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int der_put_int (unsigned char *p, size_t len, int val, size_t*);
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int der_put_length (unsigned char *p, size_t len, size_t val, size_t*);
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int der_put_general_string (unsigned char *p, size_t len,
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const general_string *str, size_t*);
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int der_put_octet_string (unsigned char *p, size_t len,
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const octet_string *data, size_t*);
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int der_put_tag (unsigned char *p, size_t len, Der_class class, Der_type type,
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int tag, size_t*);
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int der_put_length_and_tag (unsigned char*, size_t, size_t,
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Der_class, Der_type, int, size_t*);
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int encode_integer (unsigned char *p, size_t len,
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const int *data, size_t*);
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int encode_general_string (unsigned char *p, size_t len,
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const general_string *data, size_t*);
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int encode_octet_string (unsigned char *p, size_t len,
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const octet_string *k, size_t*);
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int encode_generalized_time (unsigned char *p, size_t len,
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const time_t *t, size_t*);
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void free_integer (int *num);
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void free_general_string (general_string *str);
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void free_octet_string (octet_string *k);
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void free_generalized_time (time_t *t);
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size_t length_len (size_t len);
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size_t length_integer (const int *data);
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size_t length_general_string (const general_string *data);
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size_t length_octet_string (const octet_string *k);
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size_t length_generalized_time (const time_t *t);
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int copy_general_string (const general_string *from, general_string *to);
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int copy_octet_string (const octet_string *from, octet_string *to);
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int fix_dce(size_t reallen, size_t *len);
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#endif /* __DER_H__ */
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