Reference number
ISO/IEC 8825-1:2021
© ISO 2025
International Standard
ISO/IEC 8825-1:2021
Information technology — ASN.1 encoding rules — Part 1: Specification of Basic Encoding Rules (BER), Canonical Encoding Rules (CER) and Distinguished Encoding Rules (DER)
Edition 6
2021-06
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Published (Edition 6, 2021)

ISO/IEC 8825-1:2021

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Abstract

This document specifies a set of basic encoding rules that may be used to derive the specification of a transfer syntax for values of types defined using the notation specified in Rec. ITU-T X.680 | ISO/IEC 8824‑1, Rec. ITU-T X.681 | ISO/IEC 8824-2, Rec. ITU-T X.682 | ISO/IEC 8824-3, and Rec. ITU-T X.683 | ISO/IEC 8824-4, collectively referred to as Abstract Syntax Notation One or ASN.1. These basic encoding rules are also to be applied for decoding such a transfer syntax in order to identify the data values being transferred. It also specifies a set of canonical and distinguished encoding rules that restrict the encoding of values to just one of the alternatives provided by the basic encoding rules.

General information

  • Status
     : Published
    Publication date
     : 2021-06
    Stage
    : International Standard published [60.60]
  • Edition
     : 6
    Number of pages
     : 28
  • Technical Committee :
    ISO/IEC JTC 1/SC 6
    ICS :
    35.100.60 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goal

9
Industry, Innovation and Infrastructure

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