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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/* ASN.1 BER/DER/CER encoding definitions
3 *
4 * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells ([email protected])
6 */
7
8#ifndef _LINUX_ASN1_H
9#define _LINUX_ASN1_H
10
11/* Class */
12enum asn1_class {
13 ASN1_UNIV = 0, /* Universal */
14 ASN1_APPL = 1, /* Application */
15 ASN1_CONT = 2, /* Context */
16 ASN1_PRIV = 3 /* Private */
17};
18#define ASN1_CLASS_BITS 0xc0
19
20
21enum asn1_method {
22 ASN1_PRIM = 0, /* Primitive */
23 ASN1_CONS = 1 /* Constructed */
24};
25#define ASN1_CONS_BIT 0x20
26
27/* Tag */
28enum asn1_tag {
29 ASN1_EOC = 0, /* End Of Contents or N/A */
30 ASN1_BOOL = 1, /* Boolean */
31 ASN1_INT = 2, /* Integer */
32 ASN1_BTS = 3, /* Bit String */
33 ASN1_OTS = 4, /* Octet String */
34 ASN1_NULL = 5, /* Null */
35 ASN1_OID = 6, /* Object Identifier */
36 ASN1_ODE = 7, /* Object Description */
37 ASN1_EXT = 8, /* External */
38 ASN1_REAL = 9, /* Real float */
39 ASN1_ENUM = 10, /* Enumerated */
40 ASN1_EPDV = 11, /* Embedded PDV */
41 ASN1_UTF8STR = 12, /* UTF8 String */
42 ASN1_RELOID = 13, /* Relative OID */
43 /* 14 - Reserved */
44 /* 15 - Reserved */
45 ASN1_SEQ = 16, /* Sequence and Sequence of */
46 ASN1_SET = 17, /* Set and Set of */
47 ASN1_NUMSTR = 18, /* Numerical String */
48 ASN1_PRNSTR = 19, /* Printable String */
49 ASN1_TEXSTR = 20, /* T61 String / Teletext String */
50 ASN1_VIDSTR = 21, /* Videotex String */
51 ASN1_IA5STR = 22, /* IA5 String */
52 ASN1_UNITIM = 23, /* Universal Time */
53 ASN1_GENTIM = 24, /* General Time */
54 ASN1_GRASTR = 25, /* Graphic String */
55 ASN1_VISSTR = 26, /* Visible String */
56 ASN1_GENSTR = 27, /* General String */
57 ASN1_UNISTR = 28, /* Universal String */
58 ASN1_CHRSTR = 29, /* Character String */
59 ASN1_BMPSTR = 30, /* BMP String */
60 ASN1_LONG_TAG = 31 /* Long form tag */
61};
62
63#define ASN1_INDEFINITE_LENGTH 0x80
64
65#endif /* _LINUX_ASN1_H */