Disconnect hostapd from building in base
[dragonfly.git] / contrib / hostapd / src / tls / asn1.h
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1/*
2 * ASN.1 DER parsing
3 * Copyright (c) 2006, Jouni Malinen <j@w1.fi>
4 *
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5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
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7 */
8
9#ifndef ASN1_H
10#define ASN1_H
11
12#define ASN1_TAG_EOC 0x00 /* not used with DER */
13#define ASN1_TAG_BOOLEAN 0x01
14#define ASN1_TAG_INTEGER 0x02
15#define ASN1_TAG_BITSTRING 0x03
16#define ASN1_TAG_OCTETSTRING 0x04
17#define ASN1_TAG_NULL 0x05
18#define ASN1_TAG_OID 0x06
19#define ASN1_TAG_OBJECT_DESCRIPTOR 0x07 /* not yet parsed */
20#define ASN1_TAG_EXTERNAL 0x08 /* not yet parsed */
21#define ASN1_TAG_REAL 0x09 /* not yet parsed */
22#define ASN1_TAG_ENUMERATED 0x0A /* not yet parsed */
23#define ASN1_TAG_UTF8STRING 0x0C /* not yet parsed */
24#define ANS1_TAG_RELATIVE_OID 0x0D
25#define ASN1_TAG_SEQUENCE 0x10 /* shall be constructed */
26#define ASN1_TAG_SET 0x11
27#define ASN1_TAG_NUMERICSTRING 0x12 /* not yet parsed */
28#define ASN1_TAG_PRINTABLESTRING 0x13
29#define ASN1_TAG_TG1STRING 0x14 /* not yet parsed */
30#define ASN1_TAG_VIDEOTEXSTRING 0x15 /* not yet parsed */
31#define ASN1_TAG_IA5STRING 0x16
32#define ASN1_TAG_UTCTIME 0x17
33#define ASN1_TAG_GENERALIZEDTIME 0x18 /* not yet parsed */
34#define ASN1_TAG_GRAPHICSTRING 0x19 /* not yet parsed */
35#define ASN1_TAG_VISIBLESTRING 0x1A
36#define ASN1_TAG_GENERALSTRING 0x1B /* not yet parsed */
37#define ASN1_TAG_UNIVERSALSTRING 0x1C /* not yet parsed */
38#define ASN1_TAG_BMPSTRING 0x1D /* not yet parsed */
39
40#define ASN1_CLASS_UNIVERSAL 0
41#define ASN1_CLASS_APPLICATION 1
42#define ASN1_CLASS_CONTEXT_SPECIFIC 2
43#define ASN1_CLASS_PRIVATE 3
44
45
46struct asn1_hdr {
47 const u8 *payload;
48 u8 identifier, class, constructed;
49 unsigned int tag, length;
50};
51
52#define ASN1_MAX_OID_LEN 20
53struct asn1_oid {
54 unsigned long oid[ASN1_MAX_OID_LEN];
55 size_t len;
56};
57
58
59int asn1_get_next(const u8 *buf, size_t len, struct asn1_hdr *hdr);
4781064b 60int asn1_parse_oid(const u8 *buf, size_t len, struct asn1_oid *oid);
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61int asn1_get_oid(const u8 *buf, size_t len, struct asn1_oid *oid,
62 const u8 **next);
63void asn1_oid_to_str(struct asn1_oid *oid, char *buf, size_t len);
64unsigned long asn1_bit_string_to_long(const u8 *buf, size_t len);
65
66#endif /* ASN1_H */