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ITU-T X.694

Information technology – ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1

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Organization: ITU-T
Publication Date: 1 August 2015
Status: active
Page Count: 74
scope:

This Recommendation | International Standard specifies two Versions of a mapping from any XSD Schema into an ASN.1 schema. The ASN.1 schema for both Versions support the same semantics and validate the same set of XML documents.

This Recommendation | International Standard specifies the final XER encoding instructions that are to be applied as part of the defined mapping to ASN.1 types, but does not specify which syntactic form is to be used for the specification of those final XER encoding instructions, or the order or manner of their assignment.

NOTE - Implementers of tools generating these mappings may choose any syntactic form or order of assignment that results in the specified final XER encoding instructions being applied. Examples in this Recommendation | International Standard generally use the type prefix form, but use of an XER Encoding Control Section may be preferred for the mapping of a complete XSD Schema, as a matter of style.

There are different ways (syntactically) of assigning XER encoding instructions for use in EXTENDED-XER encodings (for example, use of ASN.1 type prefix encoding instructions or use of an XER encoding control section). The choice of these syntactic forms is a matter of style and is outside the scope of this Recommendation | International Standard.

Document History

February 1, 2021
Information technology – ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1
This Recommendation | International Standard specifies two versions of a mapping from any XSD Schema into an Abstract Syntax Notation One (ASN.1) schema. The ASN.1 schema for both versions support...
October 1, 2019
Information technology – ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1 Technical Corrigendum 1
A description is not available for this item.
ITU-T X.694
August 1, 2015
Information technology – ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1
This Recommendation | International Standard specifies two Versions of a mapping from any XSD Schema into an ASN.1 schema. The ASN.1 schema for both Versions support the same semantics and validate...
March 1, 2014
Information technology – ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1 Technical Corrigendum 2
A description is not available for this item.
October 1, 2011
Information technology – ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1 Technical Corrigendum 1
This Recommendation | International Standard specifies two Versions of a mapping from any XSD Schema into an ASN.1 schema. The ASN.1 schema for both Versions support the same semantics and validate...
November 1, 2008
Information technology – ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1
This Recommendation | International Standard specifies two Versions of a mapping from any XSD Schema into an ASN.1 schema. The ASN.1 schema for both Versions support the same semantics and validate...
May 1, 2007
Information technology – ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1 Amendment 1: Efficiency enhancements ITU-T Recommendation X.694 (2004) – Amendment 1
A description is not available for this item.
November 1, 2005
Information technology – ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1 Technical Corrigendum 1
A description is not available for this item.
January 1, 2004
Information technology – ASN.1 encoding rules: Mapping W3C XML schema definitions into ASN.1 SERIES X: DATA NETWORKS AND OPEN SYSTEM COMMUNICATIONS OSI networking and system aspects – Abstract Syntax Notation One (ASN.1)
A description is not available for this item.

References

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