ASN.1 DER parsing. More...

Macros
#define	ASN1_TAG_EOC 0x00 /* not used with DER */

#define	ASN1_TAG_BOOLEAN 0x01

#define	ASN1_TAG_INTEGER 0x02

#define	ASN1_TAG_BITSTRING 0x03

#define	ASN1_TAG_OCTETSTRING 0x04

#define	ASN1_TAG_NULL 0x05

#define	ASN1_TAG_OID 0x06

#define	ASN1_TAG_OBJECT_DESCRIPTOR 0x07 /* not yet parsed */

#define	ASN1_TAG_EXTERNAL 0x08 /* not yet parsed */

#define	ASN1_TAG_REAL 0x09 /* not yet parsed */

#define	ASN1_TAG_ENUMERATED 0x0A /* not yet parsed */

#define	ASN1_TAG_UTF8STRING 0x0C /* not yet parsed */

#define	ANS1_TAG_RELATIVE_OID 0x0D

#define	ASN1_TAG_SEQUENCE 0x10 /* shall be constructed */

#define	ASN1_TAG_SET 0x11

#define	ASN1_TAG_NUMERICSTRING 0x12 /* not yet parsed */

#define	ASN1_TAG_PRINTABLESTRING 0x13

#define	ASN1_TAG_TG1STRING 0x14 /* not yet parsed */

#define	ASN1_TAG_VIDEOTEXSTRING 0x15 /* not yet parsed */

#define	ASN1_TAG_IA5STRING 0x16

#define	ASN1_TAG_UTCTIME 0x17

#define	ASN1_TAG_GENERALIZEDTIME 0x18 /* not yet parsed */

#define	ASN1_TAG_GRAPHICSTRING 0x19 /* not yet parsed */

#define	ASN1_TAG_VISIBLESTRING 0x1A

#define	ASN1_TAG_GENERALSTRING 0x1B /* not yet parsed */

#define	ASN1_TAG_UNIVERSALSTRING 0x1C /* not yet parsed */

#define	ASN1_TAG_BMPSTRING 0x1D /* not yet parsed */

#define	ASN1_CLASS_UNIVERSAL 0

#define	ASN1_CLASS_APPLICATION 1

#define	ASN1_CLASS_CONTEXT_SPECIFIC 2

#define	ASN1_CLASS_PRIVATE 3

#define	ASN1_MAX_OID_LEN 20

Functions
int	asn1_get_next (const u8 buf, size_t len, struct asn1_hdr hdr)

int	asn1_parse_oid (const u8 buf, size_t len, struct asn1_oid oid)

int	asn1_get_oid (const u8 buf, size_t len, struct asn1_oid oid, const u8 **next)

void	asn1_oid_to_str (const struct asn1_oid oid, char buf, size_t len)

unsigned long	asn1_bit_string_to_long (const u8 *buf, size_t len)

int	asn1_oid_equal (const struct asn1_oid a, const struct asn1_oid b)

Detailed Description

ASN.1 DER parsing.

Data Structures