Files
heimdal/lib/asn1/der.h
Assar Westerlund 1eb310af2e more prototypes
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1410 ec53bebd-3082-4978-b11e-865c3cabbd6b
1997-03-14 03:15:01 +00:00

87 lines
2.6 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
};
/**/
struct krb5_data {
size_t len;
unsigned char *data;
};
typedef struct krb5_data krb5_data;
void time2generalizedtime (time_t t, krb5_data *s);
krb5_data string_make (char *);
krb5_data string_make_n (int len, char *);
void string_free (krb5_data);
int der_get_int (unsigned char *p, int len, unsigned *ret);
int der_get_length (unsigned char *p, int len, int *ret);
int der_get_general_string (unsigned char *p, int len, char **str);
int der_get_octet_string (unsigned char *p, int len, krb5_data *data);
int der_get_tag (unsigned char *p, int len,
Der_class *class, Der_type *type, int *tag);
int der_match_tag (unsigned char *p, int len,
Der_class class, Der_type type, int tag);
int der_match_tag_and_length (unsigned char *p, int len,
Der_class class, Der_type type, int tag,
int *length_ret);
int decode_integer (unsigned char *p, int len, unsigned *num);
int decode_general_string (unsigned char *p, int len, char **str);
int decode_octet_string (unsigned char *p, int len, krb5_data *k);
int decode_generalized_time (unsigned char *p, int len, time_t *t);
int der_put_int (unsigned char *p, int len, unsigned val);
int der_put_length (unsigned char *p, int len, int val);
int der_put_general_string (unsigned char *p, int len, char *str);
int der_put_octet_string (unsigned char *p, int len, krb5_data *data);
int der_put_tag (unsigned char *p, int len, Der_class class, Der_type type,
int tag);
int der_put_length_and_tag (unsigned char *p, int len, int len_val,
Der_class class, Der_type type, int tag);
int encode_integer (unsigned char *p, int len, unsigned *data);
int encode_general_string (unsigned char *p, int len, char **data);
int encode_octet_string (unsigned char *p, int len, krb5_data *k);
int encode_generalized_time (unsigned char *p, int len, time_t *t);
void free_integer (unsigned *num);
void free_general_string (char **str);
void free_octet_string (krb5_data *k);
void free_generalized_time (time_t *t);
size_t length_len (int len);
size_t length_integer (unsigned *data);
size_t length_general_string (char **data);
size_t length_octet_string (krb5_data *k);
size_t length_generalized_time (time_t *t);
#endif /* DER_H */