| Current Path : /usr/src/contrib/wpa/src/tls/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/contrib/wpa/src/tls/asn1.h |
/*
* ASN.1 DER parsing
* Copyright (c) 2006, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#ifndef ASN1_H
#define ASN1_H
#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
struct asn1_hdr {
const u8 *payload;
u8 identifier, class, constructed;
unsigned int tag, length;
};
#define ASN1_MAX_OID_LEN 20
struct asn1_oid {
unsigned long oid[ASN1_MAX_OID_LEN];
size_t len;
};
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(struct asn1_oid *oid, char *buf, size_t len);
unsigned long asn1_bit_string_to_long(const u8 *buf, size_t len);
#endif /* ASN1_H */