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00051 #ifndef MBEDTLS_ASN1_H
00052 #define MBEDTLS_ASN1_H
00053
00054 #if !defined(MBEDTLS_CONFIG_FILE)
00055 #include "config.h"
00056 #else
00057 #include MBEDTLS_CONFIG_FILE
00058 #endif
00059
00060 #include <stddef.h>
00061
00062 #if defined(MBEDTLS_BIGNUM_C)
00063 #include "bignum.h"
00064 #endif
00065
00078 #define MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060
00079 #define MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062
00080 #define MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064
00081 #define MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066
00082 #define MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068
00083 #define MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A
00084 #define MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C
00086
00087
00099 #define MBEDTLS_ASN1_BOOLEAN 0x01
00100 #define MBEDTLS_ASN1_INTEGER 0x02
00101 #define MBEDTLS_ASN1_BIT_STRING 0x03
00102 #define MBEDTLS_ASN1_OCTET_STRING 0x04
00103 #define MBEDTLS_ASN1_NULL 0x05
00104 #define MBEDTLS_ASN1_OID 0x06
00105 #define MBEDTLS_ASN1_UTF8_STRING 0x0C
00106 #define MBEDTLS_ASN1_SEQUENCE 0x10
00107 #define MBEDTLS_ASN1_SET 0x11
00108 #define MBEDTLS_ASN1_PRINTABLE_STRING 0x13
00109 #define MBEDTLS_ASN1_T61_STRING 0x14
00110 #define MBEDTLS_ASN1_IA5_STRING 0x16
00111 #define MBEDTLS_ASN1_UTC_TIME 0x17
00112 #define MBEDTLS_ASN1_GENERALIZED_TIME 0x18
00113 #define MBEDTLS_ASN1_UNIVERSAL_STRING 0x1C
00114 #define MBEDTLS_ASN1_BMP_STRING 0x1E
00115 #define MBEDTLS_ASN1_PRIMITIVE 0x00
00116 #define MBEDTLS_ASN1_CONSTRUCTED 0x20
00117 #define MBEDTLS_ASN1_CONTEXT_SPECIFIC 0x80
00118
00119
00120
00121
00122
00123
00124
00125
00126
00127
00128
00129 #define MBEDTLS_ASN1_TAG_CLASS_MASK 0xC0
00130 #define MBEDTLS_ASN1_TAG_PC_MASK 0x20
00131 #define MBEDTLS_ASN1_TAG_VALUE_MASK 0x1F
00132
00133
00134
00135
00137 #define MBEDTLS_OID_SIZE(x) (sizeof(x) - 1)
00138
00145 #define MBEDTLS_OID_CMP(oid_str, oid_buf) \
00146 ( ( MBEDTLS_OID_SIZE(oid_str) != (oid_buf)->len ) || \
00147 memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) != 0 )
00148
00149 #ifdef __cplusplus
00150 extern "C" {
00151 #endif
00152
00161 typedef struct mbedtls_asn1_buf
00162 {
00163 int tag;
00164 size_t len;
00165 unsigned char *p;
00166 }
00167 mbedtls_asn1_buf;
00168
00172 typedef struct mbedtls_asn1_bitstring
00173 {
00174 size_t len;
00175 unsigned char unused_bits;
00176 unsigned char *p;
00177 }
00178 mbedtls_asn1_bitstring;
00179
00183 typedef struct mbedtls_asn1_sequence
00184 {
00185 mbedtls_asn1_buf buf;
00186 struct mbedtls_asn1_sequence *next;
00187 }
00188 mbedtls_asn1_sequence;
00189
00193 typedef struct mbedtls_asn1_named_data
00194 {
00195 mbedtls_asn1_buf oid;
00196 mbedtls_asn1_buf val;
00197 struct mbedtls_asn1_named_data *next;
00198 unsigned char next_merged;
00199 }
00200 mbedtls_asn1_named_data;
00201
00214 int mbedtls_asn1_get_len( unsigned char **p,
00215 const unsigned char *end,
00216 size_t *len );
00217
00230 int mbedtls_asn1_get_tag( unsigned char **p,
00231 const unsigned char *end,
00232 size_t *len, int tag );
00233
00244 int mbedtls_asn1_get_bool( unsigned char **p,
00245 const unsigned char *end,
00246 int *val );
00247
00258 int mbedtls_asn1_get_int( unsigned char **p,
00259 const unsigned char *end,
00260 int *val );
00261
00272 int mbedtls_asn1_get_bitstring( unsigned char **p, const unsigned char *end,
00273 mbedtls_asn1_bitstring *bs);
00274
00286 int mbedtls_asn1_get_bitstring_null( unsigned char **p, const unsigned char *end,
00287 size_t *len );
00288
00300 int mbedtls_asn1_get_sequence_of( unsigned char **p,
00301 const unsigned char *end,
00302 mbedtls_asn1_sequence *cur,
00303 int tag);
00304
00305 #if defined(MBEDTLS_BIGNUM_C)
00306
00316 int mbedtls_asn1_get_mpi( unsigned char **p,
00317 const unsigned char *end,
00318 mbedtls_mpi *X );
00319 #endif
00320
00333 int mbedtls_asn1_get_alg( unsigned char **p,
00334 const unsigned char *end,
00335 mbedtls_asn1_buf *alg, mbedtls_asn1_buf *params );
00336
00349 int mbedtls_asn1_get_alg_null( unsigned char **p,
00350 const unsigned char *end,
00351 mbedtls_asn1_buf *alg );
00352
00363 mbedtls_asn1_named_data *mbedtls_asn1_find_named_data( mbedtls_asn1_named_data *list,
00364 const char *oid, size_t len );
00365
00371 void mbedtls_asn1_free_named_data( mbedtls_asn1_named_data *entry );
00372
00379 void mbedtls_asn1_free_named_data_list( mbedtls_asn1_named_data **head );
00380
00381 #ifdef __cplusplus
00382 }
00383 #endif
00384
00385 #endif