Reference number
ISO/IEC 9798-5:2004
© ISO 2024
ISO/IEC 9798-5:2004
Information technology — Security techniques — Entity authentication — Part 5: Mechanisms using zero-knowledge techniques
Edition 2
2004-12
Withdrawn
Withdrawn (Edition 2, 2004)

Abstract

ISO/IEC 9798-5:2004 specifies authentication mechanisms in the form of exchange of information between a claimant and a verifier.

In accordance with the types of calculations that need to be performed by a claimant and the verifier (see Annex C), the mechanisms specified in ISO/IEC 9798-5:2004 can be classified into four main groups.

  • The first group is characterized by the performance of short modular exponentiations. The challenge size needs to be optimized since it has a proportional impact on workloads.
  • The second group is characterized by the possibility of a "coupon" strategy for the claimant. A verifier can authenticate a claimant without computational power. The challenge size has no impact on workloads.
  • The third group is characterized by the possibility of a "coupon" strategy for the verifier. A verifier without computational power can authenticate a claimant. The challenge size has no impact on workloads.
  • The fourth group has no possibility of a "coupon" strategy.

General information

  • Status
     : Withdrawn
    Publication date
     : 2004-12
    Stage
    : Withdrawal of International Standard [95.99]
  • Edition
     : 2
    Number of pages
     : 50
  • Technical Committee :
    ISO/IEC JTC 1/SC 27
    ICS :
    35.030 
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