This part of ISO/IEC 9798 specifies entity authentication mechanisms using a cryptographic check function. Two mechanisms are concerned with the authentication of a single entity (unilateral authentication), while the remaining are mechanisms for mutual authentication of two entities.
The mechanisms specified in this part of ISO/IEC 9798 use time variant parameters such as time stamps, sequence numbers, or random numbers, to prevent valid authentication information from being accepted at a later time or more than once.
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ISO/IEC JTC 1/SC 27 9798-4:1999 Entity authentication - Part 4: Mechanisms using a cryptographic check function
- ISO/IEC JTC 1/SC 27 9798-4:1999 Entity authentication - Part 4: Mechanisms using a cryptographic check function