include/linux/asn1.h

   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 */