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BSI 15/30319552 DC:2015 Edition

BSI 15/30319552 DC:2015 Edition

$24.66

BS ISO/IEC 8825-3. Information technology. Part 3. ASN.1 encoding rules: Specification of Encoding Control Notation (ECN)

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BSI 2015 205
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PDF Pages PDF Title
11 Introduction
13 1 Scope
2 Normative references
2.1 Identical Recommendations | International Standards
14 2.2 Additional references
3 Definitions
3.1 ASN.1 definitions
3.2 ECNspecific definitions
17 4 Abbreviations
5 Definition of ECN syntax
6 Encoding conventions and notation
7 The ECN character set
18 8 ECN lexical items
8.1 Encoding object references
8.2 Encoding object set references
19 8.3 Encoding class references
8.4 Reserved word items
8.5 Reserved encoding class name items
8.6 Non-ECN item
20 9 ECN Concepts
9.1 Encoding Control Notation (ECN) specifications
9.2 Encoding classes
21 9.3 Encoding structures
9.4 Encoding objects
9.5 Encoding object sets
22 9.6 Defining new encoding classes
23 9.7 Defining encoding objects
9.8 Differential encoding-decoding
24 9.9 Encoders options in encodings
9.10 Properties of encoding objects
9.11 Parameterization
25 9.12 Governors
9.13 General aspects of encodings
26 9.14 Identification of information elements
9.15 Reference fields and determinants
9.16 Replacement classes and structures
27 9.17 Mapping abstract values onto fields of encoding structures
28 9.18 Transforms and transform composites
9.19 Contents of Encoding Definition Modules
29 9.20 Contents of the Encoding Link Module
9.21 Defining encodings for primitive encoding classes
31 9.22 Application of encodings
9.23 Combined encoding object set
9.24 Application point
32 9.25 Conditional encodings
9.26 Other conditions for applying encodings
33 9.27 Encoding control for the open type
9.28 Changes to ASN.1 Recommendations | International Standards
10 Identifying encoding classes, encoding objects, and encoding object sets
36 11 Encoding ASN.1 types
11.1 General
37 11.2 Builtin encoding classes used for implicitly generated encoding structures
11.3 Simplification and expansion of ASN.1 notation for encoding purposes
39 11.4 The implicitly generated encoding structure
40 12 The Encoding Link Module (ELM)
12.1 Structure of the ELM
12.2 Encoding types
41 13 Application of encodings
13.1 General
13.2 The combined encoding object set and its application
44 14 The Encoding Definition Module (EDM)
45 15 The renames clause
15.1 Explicitly generated and exported structures
46 15.2 Name changes
47 15.3 Specifying the region for name changes
48 16 Encoding class assignments
16.1 General
51 16.2 Encoding structure definition
54 16.3 Alternative encoding structure
55 16.4 Repetition encoding structure
16.5 Concatenation encoding structure
56 17 Encoding object assignments
17.1 General
17.2 Encoding with a defined syntax
57 17.3 Encoding with encoding object sets
58 17.4 Encoding using value mappings
17.5 Encoding an encoding structure
60 17.6 Differential encoding-decoding
61 17.7 Encoding options
62 17.8 Non-ECN definition of encoding objects
18 Encoding object set assignments
18.1 General
63 18.2 Builtin encoding object sets
64 19 Mapping values
19.1 General
65 19.2 Mapping by explicit values
66 19.3 Mapping by matching fields
67 19.4 Mapping by #TRANSFORM encoding objects
19.5 Mapping by abstract value ordering
69 19.6 Mapping by value distribution
70 19.7 Mapping integer values to bits
71 20 Defining encoding objects using defined syntax
72 21 Types used in defined syntax specification
21.1 The Unit type
21.2 The EncodingSpaceSize type
73 21.3 The EncodingSpaceDetermination type
21.4 The UnusedBitsDetermination type
74 21.5 The OptionalityDetermination type
75 21.6 The AlternativeDetermination type
21.7 The RepetitionSpaceDetermination type
76 21.8 The Justification type
77 21.9 The Padding type
21.10 The Pattern and Non-Null-Pattern types
78 21.11 The RangeCondition type
21.12 The Comparison type
79 21.13 The SizeRangeCondition type
21.14 The ReversalSpecification type
80 21.15 The ResultSize type
21.16 The HandleValueSet type
81 21.17 The IntegerMapping type
22 Commonly used encoding property groups
22.1 Replacement specification
22.1.1 Encoding properties, syntax and purpose
82 22.1.2 Specification restrictions
83 22.1.3 Encoder actions
84 22.1.4 Decoder actions
22.2 Pre-alignment and padding specification
22.2.1 Encoding properties, syntax and purpose
22.2.2 Specification constraints
85 22.2.3 Encoder actions
22.2.4 Decoder actions
22.3 Start pointer specification
22.3.1 Encoding properties, syntax and purpose
22.3.2 Specification constraints
22.3.3 Encoder actions
86 22.3.4 Decoder actions
22.4 Encoding space specification
22.4.1 Encoding properties, syntax and purpose
87 22.4.2 Specification restrictions
22.4.3 Encoder actions
88 22.4.4 Decoder actions
22.5 Optionality determination
22.5.1 Encoding properties, syntax and purpose
22.5.2 Specification restrictions
89 22.5.3 Encoder actions
22.5.4 Decoder actions
90 22.6 Alternative determination
22.6.1 Encoding properties, syntax and purpose
22.6.2 Specification restrictions
91 22.6.3 Encoder actions
22.6.4 Decoder actions
22.7 Repetition space specification
22.7.1 Encoding properties, syntax and purpose
92 22.7.2 Specification constraints
93 22.7.3 Encoder actions
94 22.7.4 Decoder actions
22.8 Value padding and justification
22.8.1 Encoding properties, syntax, and purpose
95 22.8.2 Specification restrictions
22.8.3 Encoder actions
96 22.8.4 Decoder actions
22.9 Identification handle specification
22.9.1 Encoding properties, syntax and purpose
97 22.9.2 Specification constraints
22.9.3 Encoders actions
22.9.4 Decoders actions
98 22.10 Concatenation specification
22.10.1 Encoding properties, syntax and purpose
22.10.2 Specification constraints
22.10.3 Encoder actions
99 22.10.4 Decoder actions
22.11 Contained type encoding specification
22.11.1 Encoding properties, syntax and purpose
22.11.2 Encoder actions
22.11.3 Decoder actions
22.12 Bit reversal specification
22.12.1 Encoding properties, syntax, and purpose
100 22.12.2 Specification constraints
22.12.3 Encoder actions
22.12.4 Decoder actions
23 Defined syntax specification for bit-field and constructor classes
23.1 Defining encoding objects for classes in the alternatives category
23.1.1 The defined syntax
101 23.1.2 Purpose and restrictions
23.1.3 Encoder actions
102 23.1.4 Decoder actions
23.2 Defining encoding objects for classes in the bitstring category
23.2.1 The defined syntax
103 23.2.2 Model for the encoding of classes in the bitstring category
23.2.3 Purpose and restrictions
104 23.2.4 Encoder actions
23.2.5 Decoder actions
23.3 Defining encoding objects for classes in the boolean category
23.3.1 The defined syntax
106 23.3.2 Purpose and restrictions
23.3.3 Encoder actions
23.3.4 Decoder actions
107 23.4 Defining encoding objects for classes in the characterstring category
23.4.1 The defined syntax
23.4.2 Model for the encoding of classes in the characterstring category
108 23.4.3 Purpose and restrictions
23.4.4 Encoder actions
109 23.4.5 Decoder actions
23.5 Defining encoding objects for classes in the concatenation category
23.5.1 The defined syntax
110 23.5.2 Purpose and restrictions
111 23.5.3 Encoder actions
23.5.4 Decoder actions
23.6 Defining encoding objects for classes in the integer category
23.6.1 The defined syntax
23.6.2 Purpose and restrictions
112 23.6.3 Encoder actions
23.6.4 Decoder actions
23.7 Defining encoding objects for the #CONDITIONAL-INT class
23.7.1 The defined syntax
113 23.7.2 Purpose and restrictions
114 23.7.3 Encoder actions
115 23.7.4 Decoder actions
23.8 Defining encoding objects for classes in the null category
23.8.1 The defined syntax
117 23.8.2 Purpose and restrictions
23.8.3 Encoder actions
23.8.4 Decoder actions
23.9 Defining encoding objects for classes in the octetstring category
23.9.1 The defined syntax
118 23.9.2 Model for the encoding of classes in the octetstring category
23.9.3 Purpose and restrictions
119 23.9.4 Encoder actions
23.9.5 Decoder actions
120 23.10 Defining encoding objects for classes in the open type category
23.10.1 The defined syntax
121 23.10.2 Model for the encoding of classes in the open type category
23.10.3 Purpose and restrictions
23.10.4 Encoder actions
122 23.10.5 Decoder actions
23.11 Defining encoding objects for classes in the optionality category
23.11.1 The defined syntax
123 23.11.2 Purpose and restrictions
23.11.3 Encoder actions
23.11.4 Decoder actions
23.12 Defining encoding objects for classes in the pad category
23.12.1 The defined syntax
124 23.12.2 Purpose and restrictions
125 23.12.3 Encoder actions
23.12.4 Decoder actions
23.13 Defining encoding objects for classes in the repetition category
23.13.1 The defined syntax
23.13.2 Purpose and restrictions
126 23.13.3 Encoder actions
23.13.4 Decoder actions
23.14 Defining encoding objects for the #CONDITIONAL-REPETITION class
23.14.1 The defined syntax
127 23.14.2 Purpose and restrictions
128 23.14.3 Encoder actions
23.14.4 Decoder actions
129 23.15 Defining encoding objects for classes in the tag category
23.15.1 The defined syntax
130 23.15.2 Purpose and restrictions
23.15.3 Encoder actions
131 23.15.4 Decoder actions
23.16 Defining encoding objects for classes in the other categories
24 Defined syntax specification for the #TRANSFORM encoding class
24.1 Summary of encoding properties and defined syntax
133 24.2 Source and target of transforms
134 24.3 The int-to-int transform
135 24.4 The bool-to-bool transform
136 24.5 The bool-to-int transform
24.6 The int-to-bool transform
24.7 The int-to-chars transform
137 24.8 The int-to-bits transform
138 24.9 The bits-to-int transform
139 24.10 The char-to-bits transform
141 24.11 The bits-to-char transform
24.12 The bit-to-bits transform
142 24.13 The bits-to-bits transform
24.14 The chars-to-composite-char transform
143 24.15 The bits-to-composite-bits transform
24.16 The octets-to-composite-bits transform
24.17 The composite-char-to-chars transform
24.18 The composite-bits-to-bits transform
144 24.19 The composite-bits-to-octets transform
25 Complete encodings and the #OUTER class
25.1 Encoding properties, syntax and purpose for the #OUTER class
145 25.2 Encoder actions for #OUTER
25.3 Decoder actions for #OUTER
147 A.1 Exports and imports clauses
148 A.2 Addition of REFERENCE
A.3 Notation for character string values
149 B.1 Definitions
B.2 Additional lexical items
B.2.1 Ordered value list field references
B.2.2 Ordered encoding object list field references
B.2.3 Encoding class field references
B.3 Addition of “ENCODINGCLASS”
150 B.4 FieldSpec additions
B.5 Fixed-type ordered value list field spec
B.6 Fixed-class encoding object field spec
B.7 Variable-class encoding object field spec
151 B.8 Fixed-class encoding object set field spec
B.9 Fixed-class ordered encoding object list field spec
B.10 Encoding class field spec
152 B.11 Ordered value list notation
B.12 Ordered encoding object list notation
B.13 Primitive field names
B.14 Additional reserved words
153 B.15 Definition of encoding objects
B.16 Additions to “Setting”
158 D.1 General examples
D.1.1 An encoding object for a boolean type
D.1.1.5 This encoding for a boolean is, of course, just what PER provides, and another alternative is to specify the encoding using the PER encoding object for boolean by way of the syntax provided by 17.3.1.
159 D.1.2 An encoding object for an integer type
D.1.3 Another encoding object for an integer type
D.1.4 An encoding object for an integer type with holes
160 D.1.5 A more complex encoding object for an integer type
D.1.6 Positive integers encoded in BCD
161 D.1.7 An encoding object of class #BITS
162 D.1.8 An encoding object for an octetstring type
D.1.9 An encoding object for a character string type
D.1.10 Mapping character values to bit values
163 D.1.11 An encoding object for a sequence type
D.1.12 An encoding object for a choice type
164 D.1.13 Encoding a bitstring containing another encoding
D.1.14 An encoding object set
165 D.1.15 ASN.1 definitions
D.1.16 EDM definitions
166 D.1.17 ELM definitions
D.2 Specialization examples
D.2.1 Encoding by distributing values to an alternative encoding structure
167 D.2.2 Encoding by mapping ordered abstract values to an alternative encoding structure
D.2.3 Compression of non-continuous value ranges
168 D.2.4 Compression of non-continuous value ranges using a transform
D.2.5 Compression of an unevenly distributed value set by mapping ordered abstract values
D.2.6 Presence of an optional component depending on the value of another component
169 D.2.7 The presence of an optional component depends on some external condition
D.2.8 A variable length list
170 D.2.9 Equal length lists
171 D.2.10 Uneven choice alternative probabilities
172 D.2.11 A version 1 message
173 D.2.12 The encoding object set
D.2.13 ASN.1 definitions
174 D.2.14 EDM definitions
D.2.15 ELM definitions
D.3 Explicitly generated structure examples
175 D.3.1 Sequence with optional components defined by a pointer
D.3.2 Addition of a boolean type as a presence determinant
177 D.3.3 Sequence with optional components identified by a unique tag and delimited by a length field
178 D.3.4 Sequence-of type with a count
D.3.5 Encoding object sets
179 D.3.6 ASN.1 definitions
D.3.7 EDM definitions
D.3.8 ELM definitions
180 D.4 A more-bit encoding example
D.4.1 Description of the problem
D.4.2 Use of ASN.1 to provide the more-bit determinant
181 D.4.3 Use of value mappings to provide the more-bit determinant
182 D.4.4 Use of the replacement mechanism to provide the more-bit determinant
D.5 Legacy protocol specified with tabular notation
D.5.1 Introduction
184 D.5.2 Encoding definition for the top-level message structure
D.5.3 Encoding definition for a message structure
185 D.5.4 Encoding for the sequence type “B”
D.5.5 Encoding for an octet-aligned sequence-of type with a length determinant
D.5.6 Encoding for an octet-aligned sequence-of type which continues to the end of the PDU
D.5.7 EDM definitions
186 D.5.8 ELM definitions

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BSI 15/30319552 DC
$24.66