asn1.h

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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 /* \} name */
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 /* \} name */
00091 /* \} addtogroup asn1_module */
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 /* MBEDTLS_BIGNUM_C */
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 /* asn1.h */

Generated on 11 Mar 2017 for mbed TLS v2.4.2 by  doxygen 1.4.7