Reference number
ISO/IEC 14888-3:2018
© ISO 2025
International Standard
ISO/IEC 14888-3:2018
IT Security techniques — Digital signatures with appendix — Part 3: Discrete logarithm based mechanisms
Edition 4
2018-11
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Published (Edition 4, 2018)
This publication was last reviewed and confirmed in 2024. Therefore this version remains current.

ISO/IEC 14888-3:2018

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Abstract

This document specifies digital signature mechanisms with appendix whose security is based on the discrete logarithm problem.

This document provides

— a general description of a digital signature with appendix mechanism, and

— a variety of mechanisms that provide digital signatures with appendix.

For each mechanism, this document specifies

— the process of generating a pair of keys,

— the process of producing signatures, and

— the process of verifying signatures.

Annex A defines object identifiers assigned to the digital signature mechanisms specified in this document, and defines algorithm parameter structures.

Annex B defines conversion functions of FE2I, I2FE, FE2BS, BS2I, I2BS, I2OS and OS2I used in this document.

Annex D defines how to generate DSA domain parameters.

General information

  • Status
     : Published
    Publication date
     : 2018-11
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 4
    Number of pages
     : 155
  • Technical Committee :
    ISO/IEC JTC 1/SC 27
    ICS :
    35.030 
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