ITU-T Rec.  X.680 (07/2002) Information technology - Abstract Syntax Notation One (ASN.1): Specification of basic notation
Summary
Source
FOREWORD
CONTENTS
Introduction
1 Scope
2 Normative references
    2.1 Identical Recommendations | International Standards
    2.2 Additional references
3 Definitions
    3.1 Information object specification
    3.2 Constraint specification
    3.3 Parameterization of ASN.1 specification
    3.4 Structure for identification of organizations
    3.5 Universal Multiple-Octet Coded Character Set (UCS)
    3.6 Additional definitions
4 Abbreviations
5 Notation
    5.1 General
    5.2 Productions
    5.3 The alternative collections
    5.4 Non-spacing indicator
    5.5 Example of a production
    5.6 Layout
    5.7 Recursion
    5.8 References to permitted sequences of lexical items
    5.9 References to a lexical item
    5.10 Short-hand notations
    5.11 Value references and the typing of values
6 The ASN.1 model of type extension
7 Extensibility requirements on encoding rules
8 Tags
9 Use of the ASN.1 notation
10 The ASN.1 character set
11 ASN.1 lexical items
    11.1 General rules
    11.2 Type references
    11.3 Identifiers
    11.4 Value references
    11.5 Module references
    11.6 Comments
    11.7 Empty lexical item
    11.8 Numbers
    11.9 Real numbers
    11.10 Binary strings
    11.11 XML binary string item
    11.12 Hexadecimal strings
    11.13 XML hexadecimal string item
    11.14 Character strings
    11.15 XML character string item
    11.16 Assignment lexical item
    11.17 Range separator
    11.18 Ellipsis
    11.19 Left version brackets
    11.20 Right version brackets
    11.21 XML end tag start item
    11.22 XML single tag end item
    11.23 XML boolean true item
    11.24 XML boolean false item
    11.25 XML tag names for ASN.1 types
    11.26 Single character lexical items
    11.27 Reserved words
12 Module definition
13 Referencing type and value definitions
14 Notation to support references to ASN.1 components
15 Assigning types and values
16 Definition of types and values
17 Notation for the boolean type
18 Notation for the integer type
19 Notation for the enumerated type
20 Notation for the real type
21 Notation for the bitstring type
22 Notation for the octetstring type
23 Notation for the null type
24 Notation for sequence types
25 Notation for sequence-of types
26 Notation for set types
27 Notation for set-of types
28 Notation for choice types
29 Notation for selection types
30 Notation for tagged types
31 Notation for the object identifier type
32 Notation for the relative object identifier type
33 Notation for the embedded-pdv type
34 Notation for the external type
35 The character string types
36 Notation for character string types
37 Definition of restricted character string types
38 Naming characters and collections defined in ISO/IEC 10646-1
39 Canonical order of characters
40 Definition of unrestricted character string types
41 Notation for types defined in clauses 42 to 44
42 Generalized time
43 Universal
44 The object descriptor type
45 Constrained types
46 Element set specification
47 Subtype elements
    47.1 General
    47.2 Single value
    47.3 Contained subtype
    47.4 Value range
    47.5 Size constraint
    47.6 Type constraint
    47.7 Permitted alphabet
    47.8 Inner subtyping
    47.9 Pattern constraint
48 The extension marker
49 The exception identifier
Annex A - ASN.1 regular expressions
A.1 Definition
A.2 Metacharacters
Annex B - Rules for type and value Compatibility
B.1 The need for the value mapping concept (tutorial introduction)
B.2 Value mappings
B.3 Identical type definitions
B.4 Specification of value mappings
B.5 Additional value mappings defined for the character string types
B.6 Specific type and value compatibility requirements
B.7 Examples
Annex C - Assigned object identifier values
C.1 Object identifiers assigned in this Recommendation | International Standard
C.2 Object identifiers in the ASN.1 and encoding rules standards
Annex D - Assignment of object identifier component values
D.1 Root assignment of object identifier component values
D.2 ITU-T assignment of object identifier component values
D.3 ISO assignment of object identifier component values
D.4 Joint assignment of object identifier component values
Annex E - Examples and hints
E.1 Example of a personnel record
E.1.1 Informal description of Personnel Record
E.1.2 ASN.1 description of the record structure
E.1.3 ASN.1 description of a record value
E.2 Guidelines for use of the notation
E.2.1 Boolean
E.2.2 Integer
E.2.3 Enumerated
E.2.4 Real
E.2.5 Bit string
E.2.6 Octet string
E.2.7 UniversalString, BMPString and UTF8String
E.2.8 CHARACTER STRING
E.2.9 Null
E.2.10 Sequence and sequence-of
E.2.11 Set and set-of
E.2.12 Tagged
E.2.13 Choice
E.2.14 Selection type
E.2.15 Object class field type
E.2.16 Embedded-pdv
E.2.17 External
E.2.18 Instance-of
E.2.19 Relative object identifier
E.3 Identifying abstract syntaxes
E.4 Subtypes
Annex F - Tutorial annex on ASN.1 character strings
F.1 Character string support in ASN.1
F.2 The UniversalString, UTF8String and BMPString types
F.3 On ISO/IEC 10646-1 conformance requirements
F.4 Recommendations for ASN.1 users on ISO/IEC 10646-1 conformance
F.5 Adopted subsets as parameters of the abstract syntax
F.6 The CHARACTER STRING type
Annex G - Tutorial annex on the ASN.1 model of type extension
G.1 Overview
G.2 Meaning of version numbers
G.3 Requirements on encoding rules
G.4 Combination of (possibly extensible) constraints
G.4.1 Model
G.4.2 Serial application of constraints
G.4.3 Use of set arithmetic
G.4.4 Use of the Contained Subtype notation
Annex H - Summary of the ASN.1 notation