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 (dhowells@redhat.com) 6 */ 7 8 #ifndef _LINUX_ASN1_H 9 #define _LINUX_ASN1_H 10 11 /* Class */ 12 enum 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 21 enum asn1_method { 22 ASN1_PRIM = 0, /* Primitive */ 23 ASN1_CONS = 1 /* Constructed */ 24 }; 25 #define ASN1_CONS_BIT 0x20 26 27 /* Tag */ 28 enum 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 */ 66