X.500 Standard status
(Implementors' Guide)

X.509 Related activities

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Tutorial section 1
X.500 General

Tutorial section 2
X.509 specific

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X.500 Specifications not freely available

According to an agreement between ISO/IEC and ITU-T text common for the two organisations is not unconditionally freely available, as it is the case for ITU-T only Recommendations.

Common text will be freely available one year or later after publication by ISO/IEC..

 In the table below you can either:
  • Follow the "Latest" link to download the latest edition of the document
  • Follow the "Other" link to get a wider choice, like allowing allowing access to earlier editions.

X.500

The Directory: Overview of concepts, models and services - 7th edition

Latest

Other

X.501

The Directory: Models - 7th edition

Latest

Other

X.509

The Directory: Public-key and attribute certificate frameworks - 7th edition

Latest

Other

X.511

The Directory: Abstract service definition - 7th edition

Latest

Other

X.518

The Directory: Procedures for distributed operation - 7th edition

Latest

Other

X.519

The Directory: Protocol specifications - 7th edition

Latest

Other

X.520

The Directory: Selected attribute types - 7th edition

Latest

Other

X.521

The Directory: Selected object classes - 7th edition

Latest

Other

X.525

The Directory: Replication - 7th edition

Latest

Other

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