API Documentation (Doxygen generated)

These pages are generated with doxygen directly from the source code!

asn1.h
Go to the documentation of this file.
1 
27 #ifndef POLARSSL_ASN1_H
28 #define POLARSSL_ASN1_H
29 
30 #include "config.h"
31 
32 #if defined(POLARSSL_BIGNUM_C)
33 #include "bignum.h"
34 #endif
35 
36 #include <string.h>
37 
50 #define POLARSSL_ERR_ASN1_OUT_OF_DATA -0x0060
51 #define POLARSSL_ERR_ASN1_UNEXPECTED_TAG -0x0062
52 #define POLARSSL_ERR_ASN1_INVALID_LENGTH -0x0064
53 #define POLARSSL_ERR_ASN1_LENGTH_MISMATCH -0x0066
54 #define POLARSSL_ERR_ASN1_INVALID_DATA -0x0068
55 #define POLARSSL_ERR_ASN1_MALLOC_FAILED -0x006A
56 #define POLARSSL_ERR_ASN1_BUF_TOO_SMALL -0x006C
58 /* \} name */
59 
71 #define ASN1_BOOLEAN 0x01
72 #define ASN1_INTEGER 0x02
73 #define ASN1_BIT_STRING 0x03
74 #define ASN1_OCTET_STRING 0x04
75 #define ASN1_NULL 0x05
76 #define ASN1_OID 0x06
77 #define ASN1_UTF8_STRING 0x0C
78 #define ASN1_SEQUENCE 0x10
79 #define ASN1_SET 0x11
80 #define ASN1_PRINTABLE_STRING 0x13
81 #define ASN1_T61_STRING 0x14
82 #define ASN1_IA5_STRING 0x16
83 #define ASN1_UTC_TIME 0x17
84 #define ASN1_GENERALIZED_TIME 0x18
85 #define ASN1_UNIVERSAL_STRING 0x1C
86 #define ASN1_BMP_STRING 0x1E
87 #define ASN1_PRIMITIVE 0x00
88 #define ASN1_CONSTRUCTED 0x20
89 #define ASN1_CONTEXT_SPECIFIC 0x80
90 /* \} name */
91 /* \} addtogroup asn1_module */
92 
94 #define OID_SIZE(x) (sizeof(x) - 1)
95 
100 #define OID_CMP(oid_str, oid_buf) \
101  ( ( OID_SIZE(oid_str) == (oid_buf)->len ) && \
102  memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) == 0 )
103 
104 #ifdef __cplusplus
105 extern "C" {
106 #endif
107 
116 typedef struct _asn1_buf
117 {
118  int tag;
119  size_t len;
120  unsigned char *p;
121 }
122 asn1_buf;
123 
127 typedef struct _asn1_bitstring
128 {
129  size_t len;
130  unsigned char unused_bits;
131  unsigned char *p;
132 }
134 
138 typedef struct _asn1_sequence
139 {
142 }
144 
148 typedef struct _asn1_named_data
149 {
153 }
155 
168 int asn1_get_len( unsigned char **p,
169  const unsigned char *end,
170  size_t *len );
171 
184 int asn1_get_tag( unsigned char **p,
185  const unsigned char *end,
186  size_t *len, int tag );
187 
198 int asn1_get_bool( unsigned char **p,
199  const unsigned char *end,
200  int *val );
201 
212 int asn1_get_int( unsigned char **p,
213  const unsigned char *end,
214  int *val );
215 
226 int asn1_get_bitstring( unsigned char **p, const unsigned char *end,
227  asn1_bitstring *bs);
228 
240 int asn1_get_bitstring_null( unsigned char **p, const unsigned char *end,
241  size_t *len );
242 
254 int asn1_get_sequence_of( unsigned char **p,
255  const unsigned char *end,
256  asn1_sequence *cur,
257  int tag);
258 
259 #if defined(POLARSSL_BIGNUM_C)
260 
270 int asn1_get_mpi( unsigned char **p,
271  const unsigned char *end,
272  mpi *X );
273 #endif
274 
287 int asn1_get_alg( unsigned char **p,
288  const unsigned char *end,
289  asn1_buf *alg, asn1_buf *params );
290 
303 int asn1_get_alg_null( unsigned char **p,
304  const unsigned char *end,
305  asn1_buf *alg );
306 
318  const char *oid, size_t len );
319 
326 
334 
335 #ifdef __cplusplus
336 }
337 #endif
338 
339 #endif /* asn1.h */