Files
heimdal/lib/asn1/der.h
Assar Westerlund b26b3b0a9a conditional prototype for `timegm'
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1958 ec53bebd-3082-4978-b11e-865c3cabbd6b
1997-07-02 21:13:22 +00:00

90 lines
3.0 KiB
C

/* $Id$ */
#ifndef __DER_H__
#define __DER_H__
#include <time.h>
typedef enum {UNIV = 0, APPL = 1, CONTEXT = 2 , PRIVATE = 3} Der_class;
typedef enum {PRIM = 0, CONS = 1} Der_type;
/* Universal tags */
enum {
UT_Integer = 2,
UT_BitString = 3,
UT_OctetString = 4,
UT_Null = 5,
UT_ObjID = 6,
UT_Sequence = 16,
UT_Set = 17,
UT_PrintableString = 19,
UT_IA5String = 22,
UT_UTCTime = 23,
UT_GeneralizedTime = 24,
UT_GeneralString = 27
};
#ifndef HAVE_TIMEGM
time_t timegm (struct tm *);
#endif
void time2generalizedtime (time_t t, octet_string *s);
int der_get_int (unsigned char *p, size_t len, unsigned *ret, size_t *size);
int der_get_length (unsigned char *p, size_t len, size_t *val, size_t *size);
int der_get_general_string (unsigned char *p, size_t len,
general_string *str, size_t *size);
int der_get_octet_string (unsigned char *p, size_t len,
octet_string *data, size_t *size);
int der_get_tag (unsigned char *p, size_t len,
Der_class *class, Der_type *type,
int *tag, size_t *size);
int der_match_tag (unsigned char *p, size_t len,
Der_class class, Der_type type,
int tag, size_t *size);
int der_match_tag_and_length (unsigned char *p, size_t len,
Der_class class, Der_type type, int tag,
size_t *length_ret, size_t *size);
int decode_integer (unsigned char*, size_t, unsigned*, size_t*);
int decode_general_string (unsigned char*, size_t, general_string*, size_t*);
int decode_octet_string (unsigned char*, size_t, octet_string*, size_t*);
int decode_generalized_time (unsigned char*, size_t, time_t*, size_t*);
int der_put_int (unsigned char *p, size_t len, unsigned val, size_t*);
int der_put_length (unsigned char *p, size_t len, unsigned val, size_t*);
int der_put_general_string (unsigned char *p, size_t len, general_string *str, size_t*);
int der_put_octet_string (unsigned char *p, size_t len, octet_string *data, size_t*);
int der_put_tag (unsigned char *p, size_t len, Der_class class, Der_type type,
int tag, size_t*);
int der_put_length_and_tag (unsigned char*, size_t, size_t,
Der_class, Der_type, int, size_t*);
int encode_integer (unsigned char *p, size_t len, unsigned *data, size_t*);
int encode_general_string (unsigned char *p, size_t len, general_string *data, size_t*);
int encode_octet_string (unsigned char *p, size_t len, octet_string *k, size_t*);
int encode_generalized_time (unsigned char *p, size_t len, time_t *t, size_t*);
void free_integer (unsigned *num);
void free_general_string (general_string *str);
void free_octet_string (octet_string *k);
void free_generalized_time (time_t *t);
size_t length_len (size_t len);
size_t length_integer (unsigned *data);
size_t length_general_string (general_string *data);
size_t length_octet_string (octet_string *k);
size_t length_generalized_time (time_t *t);
void copy_general_string (const general_string *from, general_string *to);
void copy_octet_string (const octet_string *from, octet_string *to);
int fix_dce(size_t reallen, size_t *len);
#endif /* __DER_H__ */