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00024 #ifndef MBEDTLS_ASN1_H
00025 #define MBEDTLS_ASN1_H
00026
00027 #if !defined(MBEDTLS_CONFIG_FILE)
00028 #include "config.h"
00029 #else
00030 #include MBEDTLS_CONFIG_FILE
00031 #endif
00032
00033 #include <stddef.h>
00034
00035 #if defined(MBEDTLS_BIGNUM_C)
00036 #include "bignum.h"
00037 #endif
00038
00051 #define MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060
00052 #define MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062
00053 #define MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064
00054 #define MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066
00055 #define MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068
00056 #define MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A
00057 #define MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C
00059
00060
00072 #define MBEDTLS_ASN1_BOOLEAN 0x01
00073 #define MBEDTLS_ASN1_INTEGER 0x02
00074 #define MBEDTLS_ASN1_BIT_STRING 0x03
00075 #define MBEDTLS_ASN1_OCTET_STRING 0x04
00076 #define MBEDTLS_ASN1_NULL 0x05
00077 #define MBEDTLS_ASN1_OID 0x06
00078 #define MBEDTLS_ASN1_UTF8_STRING 0x0C
00079 #define MBEDTLS_ASN1_SEQUENCE 0x10
00080 #define MBEDTLS_ASN1_SET 0x11
00081 #define MBEDTLS_ASN1_PRINTABLE_STRING 0x13
00082 #define MBEDTLS_ASN1_T61_STRING 0x14
00083 #define MBEDTLS_ASN1_IA5_STRING 0x16
00084 #define MBEDTLS_ASN1_UTC_TIME 0x17
00085 #define MBEDTLS_ASN1_GENERALIZED_TIME 0x18
00086 #define MBEDTLS_ASN1_UNIVERSAL_STRING 0x1C
00087 #define MBEDTLS_ASN1_BMP_STRING 0x1E
00088 #define MBEDTLS_ASN1_PRIMITIVE 0x00
00089 #define MBEDTLS_ASN1_CONSTRUCTED 0x20
00090 #define MBEDTLS_ASN1_CONTEXT_SPECIFIC 0x80
00091
00092
00093
00095 #define MBEDTLS_OID_SIZE(x) (sizeof(x) - 1)
00096
00103 #define MBEDTLS_OID_CMP(oid_str, oid_buf) \
00104 ( ( MBEDTLS_OID_SIZE(oid_str) != (oid_buf)->len ) || \
00105 memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) != 0 )
00106
00107 #ifdef __cplusplus
00108 extern "C" {
00109 #endif
00110
00119 typedef struct mbedtls_asn1_buf
00120 {
00121 int tag;
00122 size_t len;
00123 unsigned char *p;
00124 }
00125 mbedtls_asn1_buf;
00126
00130 typedef struct mbedtls_asn1_bitstring
00131 {
00132 size_t len;
00133 unsigned char unused_bits;
00134 unsigned char *p;
00135 }
00136 mbedtls_asn1_bitstring;
00137
00141 typedef struct mbedtls_asn1_sequence
00142 {
00143 mbedtls_asn1_buf buf;
00144 struct mbedtls_asn1_sequence *next;
00145 }
00146 mbedtls_asn1_sequence;
00147
00151 typedef struct mbedtls_asn1_named_data
00152 {
00153 mbedtls_asn1_buf oid;
00154 mbedtls_asn1_buf val;
00155 struct mbedtls_asn1_named_data *next;
00156 unsigned char next_merged;
00157 }
00158 mbedtls_asn1_named_data;
00159
00172 int mbedtls_asn1_get_len( unsigned char **p,
00173 const unsigned char *end,
00174 size_t *len );
00175
00188 int mbedtls_asn1_get_tag( unsigned char **p,
00189 const unsigned char *end,
00190 size_t *len, int tag );
00191
00202 int mbedtls_asn1_get_bool( unsigned char **p,
00203 const unsigned char *end,
00204 int *val );
00205
00216 int mbedtls_asn1_get_int( unsigned char **p,
00217 const unsigned char *end,
00218 int *val );
00219
00230 int mbedtls_asn1_get_bitstring( unsigned char **p, const unsigned char *end,
00231 mbedtls_asn1_bitstring *bs);
00232
00244 int mbedtls_asn1_get_bitstring_null( unsigned char **p, const unsigned char *end,
00245 size_t *len );
00246
00258 int mbedtls_asn1_get_sequence_of( unsigned char **p,
00259 const unsigned char *end,
00260 mbedtls_asn1_sequence *cur,
00261 int tag);
00262
00263 #if defined(MBEDTLS_BIGNUM_C)
00264
00274 int mbedtls_asn1_get_mpi( unsigned char **p,
00275 const unsigned char *end,
00276 mbedtls_mpi *X );
00277 #endif
00278
00291 int mbedtls_asn1_get_alg( unsigned char **p,
00292 const unsigned char *end,
00293 mbedtls_asn1_buf *alg, mbedtls_asn1_buf *params );
00294
00307 int mbedtls_asn1_get_alg_null( unsigned char **p,
00308 const unsigned char *end,
00309 mbedtls_asn1_buf *alg );
00310
00321 mbedtls_asn1_named_data *mbedtls_asn1_find_named_data( mbedtls_asn1_named_data *list,
00322 const char *oid, size_t len );
00323
00329 void mbedtls_asn1_free_named_data( mbedtls_asn1_named_data *entry );
00330
00337 void mbedtls_asn1_free_named_data_list( mbedtls_asn1_named_data **head );
00338
00339 #ifdef __cplusplus
00340 }
00341 #endif
00342
00343 #endif