INCITS/ISO/IEC 8825-1 : 2014

Introduction
1 Scope
2 Normative references
   2.1 Identical Recommendations/International Standards
   2.2 Additional references
3 Definitions
4 Abbreviations
5 Notation
6 Convention
7 Conformance
8 Basic encoding rules
   8.1 General rules for encoding
        8.1.1 Structure of an encoding
        8.1.2 Identifier octets
        8.1.3 Length octets
        8.1.4 Contents octets
        8.1.5 End-of-contents octets
   8.2 Encoding of a boolean value
   8.3 Encoding of an integer value
   8.4 Encoding of an enumerated value
   8.5 Encoding of a real value
   8.6 Encoding of a bitstring value
   8.7 Encoding of an octetstring value
   8.8 Encoding of a null value
   8.9 Encoding of a sequence value
   8.10 Encoding of a sequence-of value
   8.11 Encoding of a set value
   8.12 Encoding of a set-of value
   8.13 Encoding of a choice value
   8.14 Encoding of a tagged value
   8.15 Encoding of an open type
   8.16 Encoding of an instance-of value
   8.17 Encoding of a value of the embedded-pdv type
   8.18 Encoding of a value of the external type
   8.19 Encoding of an object identifier value
   8.20 Encoding of a relative object identifier value
   8.21 Encoding for values of the restricted character
        string types
   8.22 Encoding for values of the unrestricted character
        string type
9 Canonical encoding rules
   9.1 Length forms
   9.2 String encoding forms
   9.3 Set components
10 Distinguished encoding rules
   10.1 Length forms
   10.2 String encoding forms
   10.3 Set components
11 Restrictions on BER employed by both CER and DER
   11.1 Boolean values
   11.2 Unused bits
   11.3 Real values
   11.4 GeneralString values
   11.5 Set and sequence components with default value
   11.6 Set-of components
   11.7 GeneralizedTime
   11.8 UTCTime
        11.8.4 Examples of valid representations
        11.8.5 Examples of invalid representations
12 Use of BER, CER and DER in transfer syntax definition
Annex A - Example of encodings
      A.1 ASN.1 description of the record structure
      A.2 ASN.1 description of a record value
      A.3 Representation of this record value
Annex B - Assignment of object identifier values
Annex C - Illustration of real value encoding

Describes a set of canonical and distinguished encoding rules that restrict the encoding of values to just one of the alternatives provided by the basic encoding rules.