asn1.h

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#ifndef MBEDTLS_ASN1_H
#define MBEDTLS_ASN1_H

#if !defined(MBEDTLS_CONFIG_FILE)
#include "config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif

#include <stddef.h>

#if defined(MBEDTLS_BIGNUM_C)
#include "bignum.h"
#endif

#define MBEDTLS_ERR_ASN1_OUT_OF_DATA -0x0060 
#define MBEDTLS_ERR_ASN1_UNEXPECTED_TAG -0x0062 
#define MBEDTLS_ERR_ASN1_INVALID_LENGTH -0x0064 
#define MBEDTLS_ERR_ASN1_LENGTH_MISMATCH -0x0066 
#define MBEDTLS_ERR_ASN1_INVALID_DATA -0x0068 
#define MBEDTLS_ERR_ASN1_ALLOC_FAILED -0x006A 
#define MBEDTLS_ERR_ASN1_BUF_TOO_SMALL -0x006C 
/* \} name */

#define MBEDTLS_ASN1_BOOLEAN 0x01
#define MBEDTLS_ASN1_INTEGER 0x02
#define MBEDTLS_ASN1_BIT_STRING 0x03
#define MBEDTLS_ASN1_OCTET_STRING 0x04
#define MBEDTLS_ASN1_NULL 0x05
#define MBEDTLS_ASN1_OID 0x06
#define MBEDTLS_ASN1_UTF8_STRING 0x0C
#define MBEDTLS_ASN1_SEQUENCE 0x10
#define MBEDTLS_ASN1_SET 0x11
#define MBEDTLS_ASN1_PRINTABLE_STRING 0x13
#define MBEDTLS_ASN1_T61_STRING 0x14
#define MBEDTLS_ASN1_IA5_STRING 0x16
#define MBEDTLS_ASN1_UTC_TIME 0x17
#define MBEDTLS_ASN1_GENERALIZED_TIME 0x18
#define MBEDTLS_ASN1_UNIVERSAL_STRING 0x1C
#define MBEDTLS_ASN1_BMP_STRING 0x1E
#define MBEDTLS_ASN1_PRIMITIVE 0x00
#define MBEDTLS_ASN1_CONSTRUCTED 0x20
#define MBEDTLS_ASN1_CONTEXT_SPECIFIC 0x80
/* \} name */
/* \} addtogroup asn1_module */

#define MBEDTLS_OID_SIZE(x) (sizeof(x) - 1)

#define MBEDTLS_OID_CMP(oid_str, oid_buf) \
 ( ( MBEDTLS_OID_SIZE(oid_str) != (oid_buf)->len ) || \
 memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) != 0 )

#ifdef __cplusplus
extern "C" {
#endif

typedef struct mbedtls_asn1_buf
{
 int tag; 
 size_t len; 
 unsigned char *p; 
}
mbedtls_asn1_buf;

typedef struct mbedtls_asn1_bitstring
{
 size_t len; 
 unsigned char unused_bits; 
 unsigned char *p; 
}
mbedtls_asn1_bitstring;

typedef struct mbedtls_asn1_sequence
{
 mbedtls_asn1_buf buf; 
 struct mbedtls_asn1_sequence *next; 
}
mbedtls_asn1_sequence;

typedef struct mbedtls_asn1_named_data
{
 mbedtls_asn1_buf oid; 
 mbedtls_asn1_buf val; 
 struct mbedtls_asn1_named_data *next; 
 unsigned char next_merged; 
}
mbedtls_asn1_named_data;

int mbedtls_asn1_get_len( unsigned char **p,
 const unsigned char *end,
 size_t *len );

int mbedtls_asn1_get_tag( unsigned char **p,
 const unsigned char *end,
 size_t *len, int tag );

int mbedtls_asn1_get_bool( unsigned char **p,
 const unsigned char *end,
 int *val );

int mbedtls_asn1_get_int( unsigned char **p,
 const unsigned char *end,
 int *val );

int mbedtls_asn1_get_bitstring( unsigned char **p, const unsigned char *end,
 mbedtls_asn1_bitstring *bs);

int mbedtls_asn1_get_bitstring_null( unsigned char **p, const unsigned char *end,
 size_t *len );

int mbedtls_asn1_get_sequence_of( unsigned char **p,
 const unsigned char *end,
 mbedtls_asn1_sequence *cur,
 int tag);

#if defined(MBEDTLS_BIGNUM_C)

int mbedtls_asn1_get_mpi( unsigned char **p,
 const unsigned char *end,
 mbedtls_mpi *X );
#endif /* MBEDTLS_BIGNUM_C */

int mbedtls_asn1_get_alg( unsigned char **p,
 const unsigned char *end,
 mbedtls_asn1_buf *alg, mbedtls_asn1_buf *params );

int mbedtls_asn1_get_alg_null( unsigned char **p,
 const unsigned char *end,
 mbedtls_asn1_buf *alg );

mbedtls_asn1_named_data *mbedtls_asn1_find_named_data( mbedtls_asn1_named_data *list,
 const char *oid, size_t len );

void mbedtls_asn1_free_named_data( mbedtls_asn1_named_data *entry );

void mbedtls_asn1_free_named_data_list( mbedtls_asn1_named_data **head );

#ifdef __cplusplus
}
#endif

#endif /* asn1.h */