#ifndef NETTLE_ASN1_H_INCLUDED
#define NETTLE_ASN1_H_INCLUDED
#include "nettle-types.h"
#ifdef __cplusplus
extern "C" {
#endif
#define asn1_der_iterator_first nettle_asn1_der_iterator_first
#define asn1_der_iterator_next nettle_asn1_der_iterator_next
#define asn1_der_decode_constructed nettle_asn1_der_decode_constructed
#define asn1_der_decode_constructed_last nettle_asn1_der_decode_constructed_last
#define asn1_der_decode_bitstring nettle_asn1_der_decode_bitstring
#define asn1_der_decode_bitstring_last nettle_asn1_der_decode_bitstring_last
#define asn1_der_get_uint32 nettle_asn1_der_get_uint32
#define asn1_der_get_bignum nettle_asn1_der_get_bignum
enum
{
ASN1_TYPE_CONSTRUCTED = 1 << 12,
ASN1_CLASS_UNIVERSAL = 0,
ASN1_CLASS_APPLICATION = 1 << 13,
ASN1_CLASS_CONTEXT_SPECIFIC = 2 << 13,
ASN1_CLASS_PRIVATE = 3 << 13,
ASN1_CLASS_MASK = 3 << 13,
ASN1_CLASS_SHIFT = 13,
};
enum asn1_type
{
ASN1_BOOLEAN = 1,
ASN1_INTEGER = 2,
ASN1_BITSTRING = 3,
ASN1_OCTETSTRING = 4,
ASN1_NULL = 5,
ASN1_IDENTIFIER = 6,
ASN1_REAL = 9,
ASN1_ENUMERATED = 10,
ASN1_UTF8STRING = 12,
ASN1_SEQUENCE = 16 | ASN1_TYPE_CONSTRUCTED,
ASN1_SET = 17 | ASN1_TYPE_CONSTRUCTED,
ASN1_PRINTABLESTRING = 19,
ASN1_TELETEXSTRING = 20,
ASN1_IA5STRING = 22,
ASN1_UTC = 23,
ASN1_UNIVERSALSTRING = 28,
ASN1_BMPSTRING = 30,
};
enum asn1_iterator_result
{
ASN1_ITERATOR_ERROR,
ASN1_ITERATOR_PRIMITIVE,
ASN1_ITERATOR_CONSTRUCTED,
ASN1_ITERATOR_END,
};
struct asn1_der_iterator
{
size_t buffer_length;
const uint8_t *buffer;
size_t pos;
enum asn1_type type;
size_t length;
const uint8_t *data;
};
enum asn1_iterator_result
asn1_der_iterator_first(struct asn1_der_iterator *iterator,
size_t length, const uint8_t *input);
enum asn1_iterator_result
asn1_der_iterator_next(struct asn1_der_iterator *iterator);
enum asn1_iterator_result
asn1_der_decode_constructed(struct asn1_der_iterator *i,
struct asn1_der_iterator *contents);
enum asn1_iterator_result
asn1_der_decode_constructed_last(struct asn1_der_iterator *i);
enum asn1_iterator_result
asn1_der_decode_bitstring(struct asn1_der_iterator *i,
struct asn1_der_iterator *contents);
enum asn1_iterator_result
asn1_der_decode_bitstring_last(struct asn1_der_iterator *i);
int
asn1_der_get_uint32(struct asn1_der_iterator *i,
uint32_t *x);
#ifdef __cplusplus
}
#endif
#endif