ITU-T Study Group 17 - Abstract Syntax Notation One (ASN.1) Recommendations

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Abstract Syntax Notation One (ASN.1) Recommendations

NOTE: This table provides free access to the previous edition of the set of ASN.1 Recommendations, all of which have been superseded. For the current, in-force edition, please see http://www.itu.int/rec/T-REC-X/e.

Recommendation	Title
X.680 (07/02)	Information technology - Abstract Syntax Notation One (ASN.1): Specification of basic notation
X.680 Amendment 1 (10/03)	Support for EXTENDED-XER
X.680 Amendment 2 (08/04)	Alignment with changes made to ITU-T Rec. X.660 \| ISO/IEC 9834-1 for identifiers in object identifier value notation
X.680 Amendment 3 (06/06)	Time type support
X.680 Amendment 4 (05/07)	PER encoding instructions
X.680 Corrigendum 1 (05/05)
X.681 (07/02)	Information technology - Abstract Syntax Notation One (ASN.1): Information object specification
X.681 Amendment 1 (10/03)	Support for EXTENDED-XER
X.681 Corrigendum 1 (06/06)
X.681 Corrigendum 2 (05/07)	Clarification of some uses of the information object set notation
X.682 (07/02)	Information technology - Abstract Syntax Notation One (ASN.1): Constraint specification
X.683 (07/02)	Information technology - Abstract Syntax Notation One (ASN.1): Parameterization of ASN.1 specifications
X.683 Corrigendum 1 (05/07)	Scope of dummy references in parameterization
X.690 (07/02)	Information technology - ASN.1 encoding rules: Specification of Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER)
X.690 Amendment 1 (10/03)	Support for EXTENDED-XER
X.690 Amendment 2 (06/06)	Time type support
X.690 Corrigendum 1 (05/07)	Clarification of certain CER encodings
X.691 (07/02)	Information technology - ASN.1 encoding rules: Specification of Packed Encoding Rules (PER)
X.691 Erratum 1 (06/03)	Erratum 1
X.691 Amendment 1 (10/03)	Support for EXTENDED-XER
X.691 Amendment 2 (06/06)	Time type support
X.691 Amendment 3 (05/07)	PER encoding instructions
X.691 Corrigendum 1 (05/05)
X.692 (03/02)	Information technology - ASN.1 encoding rules - Specification of encoding control notation (ECN)
X.692 Annex E (03/02)	Support for Huffman encodings
X.692 Amendment 1 (08/04)	Extensibility support
X.692 Amendment 2 (06/06)	Time type support
X.692 Corrigendum 1 (05/05)
X.693 (12/01)	Information technology - ASN.1 encoding rules: XML encoding rules (XER)
X.693 Amendment 1 (10/03)	XER encoding instructions and EXTENDED-XER
X.693 Amendment 2 (06/06)	Time type support
X.693 Amendment 3 (05/07)	PER encoding instructions
X.694 (01/04)	Information technology - ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1
X.694 Amendment 1 (05/07)	Efficiency enhancements including time type support and xs:any
X.694 Corrigendum 1 (11/05)
X.695 (05/07)	Information technology - ASN.1 encoding rules: Registration and application of PER encoding instructions