Draft
International Standard
ISO/IEC DIS 9798-5
Information security — Entity authentication — Part 5: Mechanisms using zero-knowledge techniques
Reference number
ISO/IEC DIS 9798-5
Edition 4
© ISO 2026
Proyecto Norma internacional
En desarrollo
Este borrador de Norma Internacional se encuentra en la fase de consultas con los miembros de ISO.
Reemplazará ISO/IEC 9798-5:2009

Resumen

ISO/IEC 9798-5:2009 specifies entity authentication mechanisms using zero-knowledge techniques:

  • mechanisms based on identities and providing unilateral authentication;
  • mechanisms based on integer factorization and providing unilateral authentication;
  • mechanisms based on discrete logarithms with respect to numbers that are either prime or composite, and providing unilateral authentication;
  • mechanisms based on asymmetric encryption systems and providing either unilateral authentication, or mutual authentication;
  • mechanisms based on discrete logarithms on elliptic curves and providing unilateral authentication.

These mechanisms are constructed using the principles of zero-knowledge techniques, but they are not necessarily zero-knowledge according to the strict definition for every choice of parameters.

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