【資料名稱(chēng)】：T-REC-X.680-200811-I!!PDF-E.rar（ASN.1)

【資料作者】：ITU

【資料日期】：2008

【資料語(yǔ)言】：英文

【資料格式】：PDF

【資料目錄和簡(jiǎn)介】：

ITU-T RECOMMENDATION X.680 (11/2008) – Information technology – Abstract Syntax Notation One (ASN.1): Specification of basic notation1
Summary3
Source3
FOREWORD4
CONTENTS5
Introduction10
1 Scope13
2 Normative references13
2.1 Identical Recommendations | International Standards13
2.2 Additional references14
3 Definitions14
3.1 International Object Identifier tree specification14
3.2 Information object specification14
3.3 Constraint specification15
3.4 Parameterization of ASN.1 specification15
3.5 Structure for identification of organizations15
3.6 Universal Multiple-Octet Coded Character Set (UCS)15
3.7 Representation of dates and times15
3.8 Additional definitions16
4 Abbreviations21
5 Notation22
5.1 General22
5.2 Productions22
5.3 The alternative collections22
5.4 Non-spacing indicator22
5.5 Example of a production22
5.6 Layout23
5.7 Recursion23
5.8 References to permitted sequences of lexical items23
5.9 References to a lexical item23
5.10 Short-hand notations23
5.11 Value references and the typing of values24
6 The ASN.1 model of type extension24
7 Extensibility requirements on encoding rules25
8 Tags25
9 Encoding instructions26
10 Use of the ASN.1 notation27
11 The ASN.1 character set27
12 ASN.1 lexical items29
12.1 General rules29
12.2 Type references29
12.3 Identifiers29
12.4 Value references30
12.5 Module references30
12.6 Comments30
12.7 Empty lexical item30
12.8 Numbers30
12.9 Real numbers30
12.10 Binary strings31
12.11 XML binary string item31
12.12 Hexadecimal strings31
12.13 XML hexadecimal string item31
12.14 Character strings31
12.15 XML character string item32
12.16 The simple character string lexical item34
12.17 Time value character strings34
12.18 XML time value character string item34
12.19 The property and setting names lexical item34
12.20 Assignment lexical item34
12.21 Range separator34
12.22 Ellipsis35
12.23 Left version brackets35
12.24 Right version brackets35
12.25 Encoding references35
12.26 Integer-valued Unicode labels35
12.27 Non-integer Unicode labels35
12.28 XML end tag start item35
12.29 XML single tag end item36
12.30 XML boolean true item36
12.31 XML boolean extended-true item36
12.32 XML boolean false item36
12.33 XML boolean extended-false item36
12.34 XML real not-a-number item36
12.35 XML real infinity item37
12.36 XML tag names for ASN.1 types37
12.37 Single character lexical items38
12.38 Reserved words39
13 Module definition39
14 Referencing type and value definitions43
15 Notation to support references to ASN.1 components45
16 Assigning types and values46
17 Definition of types and values47
18 Notation for the boolean type50
19 Notation for the integer type51
20 Notation for the enumerated type52
21 Notation for the real type53
22 Notation for the bitstring type54
23 Notation for the octetstring type56
24 Notation for the null type57
25 Notation for sequence types57
26 Notation for sequence-of types60
27 Notation for set types63
28 Notation for set-of types64
29 Notation for choice types64
30 Notation for selection types66
31 Notation for prefixed types67
31.1 General67
31.2 The tagged type67
31.3 The encoding prefixed type68
32 Notation for the object identifier type69
33 Notation for the relative object identifier type70
34 Notation for the OID internationalized resource identifier type72
35 Notation for the relative OID internationalized resource identifier type72
36 Notation for the embedded-pdv type73
37 Notation for the external type75
38 The time type76
38.1 General76
38.2 Time properties and settings of time abstract values76
38.3 Basic value notation and XML value notation for time abstract values with specified property80
settings80
38.4 Useful time types84
39 The character string types86
40 Notation for character string types86
41 Definition of restricted character string types87
42 Naming characters, collections and property category sets91
42.1 Specification of the ASN.1 Module "ASN1-CHARACTER-MODULE"91
43 Canonical order of characters94
44 Definition of unrestricted character string types95
45 Notation for types defined in clauses 46 to 4896
46 Generalized time96
47 Universal time98
48 The object descriptor type98
49 Constrained types99
50 Element set specification100
51 Subtype elements102
51.1 General102
51.2 Single value104
51.3 Contained subtype104
51.4 Value range104
51.5 Size constraint104
51.6 Type constraint105
51.7 Permitted alphabet105
51.8 Inner subtyping105
51.9 Pattern constraint107
51.10 Property settings107
51.11 Duration range108
51.12 Time point range108
51.13 Recurrence range109
52 The extension marker109
53 The exception identifier111
54 Encoding control sections111
Annex A113
ASN.1 regular expressions113
A.1 Definition113
A.2 Metacharacters113
Annex B117
The defined time types117
B.1 General117
B.2 The ASN.1 defined time types module117
Annex C122
Rules for type and value Compatibility122
C.1 The need for the value mapping concept (tutorial introduction)122
C.2 Value mappings124
C.3 Identical type definitions125
C.4 Specification of value mappings127
C.5 Additional value mappings defined for the character string types127
C.6 Specific type and value compatibility requirements128
C.7 Examples129
Annex D131
Assigned object identifier and OID internationalized resource identifier values131
D.1 Values assigned in this Recommendation | International Standard131
D.2 Object identifiers in the ASN.1 and encoding rules standards131
Annex E133
Encoding references133
Annex F134
Assignment and use of arcs in the International Object Identifier tree134
F.1 General134
F.2 Use of the International Object Identifier tree by the object identifier (134
type134
F.3 Use of the International Object Identifier tree by the OID internationalized resource identifier134
(134
Annex G135
Examples and hints135
G.1 Example of a personnel record135
G.2 Guidelines for use of the notation136
G.3 Value notation and property settings (152
type and useful time types)152
G.3.1 Date152
G.3.2 Time of day152
G.3.3 Date and time of day153
G.3.4 Time interval153
G.3.5 Recurring interval154
G.4 Identifying abstract syntaxes154
G.5 Subtypes155
Annex H159
Tutorial annex on ASN.1 character strings159
H.1 Character string support in ASN.1159
H.2 The UniversalString, UTF8String and BMPString types159
H.3 On ISO/IEC 10646 conformance requirements160
H.4 Recommendations for ASN.1 users on ISO/IEC 10646 conformance160
H.5 Adopted subsets as parameters of the abstract syntax161
H.6 The CHARACTER STRING type161
Annex I162
Tutorial annex on the ASN.1 model of type extension162
I.1 Overview162
I.2 Meaning of version numbers163
I.3 Requirements on encoding rules164
I.4 Combination of (possibly extensible) constraints164
Annex J167
Tutorial annex on the167
type167
J.1 The collections of ASN.1 types for times and dates167
J.2 ISO 8601 key concepts167
J.3 Abstract values of the168
type168
J.4 Time properties of the time abstract values169
J.5 Value notation169
J.6 Use of the ASN.1 subtype notation170
J.7 The property settings subtype notation170
Annex K172
Analyzing172
type value notation172
K.1 General172
K.2 Analyzing the full string172
K.3 Analysis of a string containing an interval173
K.4 Analysis of a string containing a date173
K.5 Analysis of a string containing a year174
K.6 Analysis of a string containing a century174
K.7 Analysis of a string containing a time174
K.8 Analysis of a string containing a simple time175
Annex L176
Summary of the ASN.1 notation176
Series X Data networks, open system communications and security194