wpa_supplicant / hostapd  2.5
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asn1.h
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1 
5 #ifndef ASN1_H
6 #define ASN1_H
7 
8 #define ASN1_TAG_EOC 0x00 /* not used with DER */
9 #define ASN1_TAG_BOOLEAN 0x01
10 #define ASN1_TAG_INTEGER 0x02
11 #define ASN1_TAG_BITSTRING 0x03
12 #define ASN1_TAG_OCTETSTRING 0x04
13 #define ASN1_TAG_NULL 0x05
14 #define ASN1_TAG_OID 0x06
15 #define ASN1_TAG_OBJECT_DESCRIPTOR 0x07 /* not yet parsed */
16 #define ASN1_TAG_EXTERNAL 0x08 /* not yet parsed */
17 #define ASN1_TAG_REAL 0x09 /* not yet parsed */
18 #define ASN1_TAG_ENUMERATED 0x0A /* not yet parsed */
19 #define ASN1_TAG_UTF8STRING 0x0C /* not yet parsed */
20 #define ANS1_TAG_RELATIVE_OID 0x0D
21 #define ASN1_TAG_SEQUENCE 0x10 /* shall be constructed */
22 #define ASN1_TAG_SET 0x11
23 #define ASN1_TAG_NUMERICSTRING 0x12 /* not yet parsed */
24 #define ASN1_TAG_PRINTABLESTRING 0x13
25 #define ASN1_TAG_TG1STRING 0x14 /* not yet parsed */
26 #define ASN1_TAG_VIDEOTEXSTRING 0x15 /* not yet parsed */
27 #define ASN1_TAG_IA5STRING 0x16
28 #define ASN1_TAG_UTCTIME 0x17
29 #define ASN1_TAG_GENERALIZEDTIME 0x18 /* not yet parsed */
30 #define ASN1_TAG_GRAPHICSTRING 0x19 /* not yet parsed */
31 #define ASN1_TAG_VISIBLESTRING 0x1A
32 #define ASN1_TAG_GENERALSTRING 0x1B /* not yet parsed */
33 #define ASN1_TAG_UNIVERSALSTRING 0x1C /* not yet parsed */
34 #define ASN1_TAG_BMPSTRING 0x1D /* not yet parsed */
35 
36 #define ASN1_CLASS_UNIVERSAL 0
37 #define ASN1_CLASS_APPLICATION 1
38 #define ASN1_CLASS_CONTEXT_SPECIFIC 2
39 #define ASN1_CLASS_PRIVATE 3
40 
41 
42 struct asn1_hdr {
43  const u8 *payload;
44  u8 identifier, class, constructed;
45  unsigned int tag, length;
46 };
47 
48 #define ASN1_MAX_OID_LEN 20
49 struct asn1_oid {
50  unsigned long oid[ASN1_MAX_OID_LEN];
51  size_t len;
52 };
53 
54 
55 int asn1_get_next(const u8 *buf, size_t len, struct asn1_hdr *hdr);
56 int asn1_parse_oid(const u8 *buf, size_t len, struct asn1_oid *oid);
57 int asn1_get_oid(const u8 *buf, size_t len, struct asn1_oid *oid,
58  const u8 **next);
59 void asn1_oid_to_str(const struct asn1_oid *oid, char *buf, size_t len);
60 unsigned long asn1_bit_string_to_long(const u8 *buf, size_t len);
61 int asn1_oid_equal(const struct asn1_oid *a, const struct asn1_oid *b);
62 
63 extern struct asn1_oid asn1_sha1_oid;
64 extern struct asn1_oid asn1_sha256_oid;
65 
66 #endif /* ASN1_H */
Definition: asn1.h:42
Definition: asn1.h:49