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CSA ISO/IEC 8825-2:22

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Information technology - ASN.1 encoding rules - Part 2: Specification of Packed Encoding Rules (PER) (Adopted ISO/IEC 8825-2:2021, sixth edition, 2021-06)

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Information technology - ASN.1 encoding rules - Part 2: Specification of Packed Encoding Rules (PER) (Adopted ISO/IEC 8825-2:2021, sixth edition, 2021-06)
CSA Preface Standards development within the Information Technology sector is harmonized with international standards development. Through the CSA Technical Committee on Information Technology (TCIT), Canadians serve as the SCC Mirror Committee (SMC) on ISO/IEC Joint Technical Committee 1 on Information Technology (ISO/IEC JTC1) for the Standards Council of Canada (SCC), the ISO member body for Canada and sponsor of the Canadian National Committee of the IEC. For brevity, this Standard will be referred to as "CSA ISO/IEC 8825-2" throughout. The International Standard was reviewed by the CSA TCIT under the jurisdiction of the CSA Strategic Steering Committee on Information and Communications Technology and deemed acceptable for use in Canada. This Standard has been formally approved, without modification, by the Technical Committee and has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group. Scope This Recommendation | International Standard specifies a set of Packed Encoding Rules that may be used to derive a transfer syntax for values of types defined in Rec. ITU-T X.680 | ISO/IEC 8824-1. These Packed Encoding Rules are also to be applied for decoding such a transfer syntax in order to identify the data values being transferred. The encoding rules specified in this Recommendation | International Standard: – are used at the time of communication; – are intended for use in circumstances where minimizing the size of the representation of values is the major concern in the choice of encoding rules; – allow the extension of an abstract syntax by addition of extra values, preserving the encodings of the existing values, for all forms of extension described in Rec. | ITU-T X.680 | ISO/IEC 8824-1; – can be modified in accordance with the provisions of Rec. ITU-T X.695 | ISO/IEC 8825-6.

SDO CSA: Canadian Standards Association
Document Number
Publication Date March 3, 2022
Language en - English
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March 3, 2022 Revision