00001
00023 #ifndef MBEDTLS_ASN1_H
00024 #define MBEDTLS_ASN1_H
00025
00026 #if !defined(MBEDTLS_CONFIG_FILE)
00027 #include "config.h"
00028 #else
00029 #include MBEDTLS_CONFIG_FILE
00030 #endif
00031
00032 #include <stddef.h>
00033
00034 #if defined(MBEDTLS_BIGNUM_C)
00035 #include "bignum.h"
00036 #endif
00037
00050 #define MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060
00051 #define MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062
00052 #define MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064
00053 #define MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066
00054 #define MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068
00055 #define MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A
00056 #define MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C
00058
00059
00071 #define MBEDTLS_ASN1_BOOLEAN 0x01
00072 #define MBEDTLS_ASN1_INTEGER 0x02
00073 #define MBEDTLS_ASN1_BIT_STRING 0x03
00074 #define MBEDTLS_ASN1_OCTET_STRING 0x04
00075 #define MBEDTLS_ASN1_NULL 0x05
00076 #define MBEDTLS_ASN1_OID 0x06
00077 #define MBEDTLS_ASN1_UTF8_STRING 0x0C
00078 #define MBEDTLS_ASN1_SEQUENCE 0x10
00079 #define MBEDTLS_ASN1_SET 0x11
00080 #define MBEDTLS_ASN1_PRINTABLE_STRING 0x13
00081 #define MBEDTLS_ASN1_T61_STRING 0x14
00082 #define MBEDTLS_ASN1_IA5_STRING 0x16
00083 #define MBEDTLS_ASN1_UTC_TIME 0x17
00084 #define MBEDTLS_ASN1_GENERALIZED_TIME 0x18
00085 #define MBEDTLS_ASN1_UNIVERSAL_STRING 0x1C
00086 #define MBEDTLS_ASN1_BMP_STRING 0x1E
00087 #define MBEDTLS_ASN1_PRIMITIVE 0x00
00088 #define MBEDTLS_ASN1_CONSTRUCTED 0x20
00089 #define MBEDTLS_ASN1_CONTEXT_SPECIFIC 0x80
00090
00091
00092
00094 #define MBEDTLS_OID_SIZE(x) (sizeof(x) - 1)
00095
00102 #define MBEDTLS_OID_CMP(oid_str, oid_buf) \
00103 ( ( MBEDTLS_OID_SIZE(oid_str) != (oid_buf)->len ) || \
00104 memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) != 0 )
00105
00106 #ifdef __cplusplus
00107 extern "C" {
00108 #endif
00109
00118 typedef struct mbedtls_asn1_buf
00119 {
00120 int tag;
00121 size_t len;
00122 unsigned char *p;
00123 }
00124 mbedtls_asn1_buf;
00125
00129 typedef struct mbedtls_asn1_bitstring
00130 {
00131 size_t len;
00132 unsigned char unused_bits;
00133 unsigned char *p;
00134 }
00135 mbedtls_asn1_bitstring;
00136
00140 typedef struct mbedtls_asn1_sequence
00141 {
00142 mbedtls_asn1_buf buf;
00143 struct mbedtls_asn1_sequence *next;
00144 }
00145 mbedtls_asn1_sequence;
00146
00150 typedef struct mbedtls_asn1_named_data
00151 {
00152 mbedtls_asn1_buf oid;
00153 mbedtls_asn1_buf val;
00154 struct mbedtls_asn1_named_data *next;
00155 unsigned char next_merged;
00156 }
00157 mbedtls_asn1_named_data;
00158
00171 int mbedtls_asn1_get_len( unsigned char **p,
00172 const unsigned char *end,
00173 size_t *len );
00174
00187 int mbedtls_asn1_get_tag( unsigned char **p,
00188 const unsigned char *end,
00189 size_t *len, int tag );
00190
00201 int mbedtls_asn1_get_bool( unsigned char **p,
00202 const unsigned char *end,
00203 int *val );
00204
00215 int mbedtls_asn1_get_int( unsigned char **p,
00216 const unsigned char *end,
00217 int *val );
00218
00229 int mbedtls_asn1_get_bitstring( unsigned char **p, const unsigned char *end,
00230 mbedtls_asn1_bitstring *bs);
00231
00243 int mbedtls_asn1_get_bitstring_null( unsigned char **p, const unsigned char *end,
00244 size_t *len );
00245
00257 int mbedtls_asn1_get_sequence_of( unsigned char **p,
00258 const unsigned char *end,
00259 mbedtls_asn1_sequence *cur,
00260 int tag);
00261
00262 #if defined(MBEDTLS_BIGNUM_C)
00263
00273 int mbedtls_asn1_get_mpi( unsigned char **p,
00274 const unsigned char *end,
00275 mbedtls_mpi *X );
00276 #endif
00277
00290 int mbedtls_asn1_get_alg( unsigned char **p,
00291 const unsigned char *end,
00292 mbedtls_asn1_buf *alg, mbedtls_asn1_buf *params );
00293
00306 int mbedtls_asn1_get_alg_null( unsigned char **p,
00307 const unsigned char *end,
00308 mbedtls_asn1_buf *alg );
00309
00320 mbedtls_asn1_named_data *mbedtls_asn1_find_named_data( mbedtls_asn1_named_data *list,
00321 const char *oid, size_t len );
00322
00328 void mbedtls_asn1_free_named_data( mbedtls_asn1_named_data *entry );
00329
00336 void mbedtls_asn1_free_named_data_list( mbedtls_asn1_named_data **head );
00337
00338 #ifdef __cplusplus
00339 }
00340 #endif
00341
00342 #endif