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ISO/IEC 9798-4:1999

Current Revision

Information technology -- Security techniques -- Entity authentication -- Part 4: Mechanisms using a cryptographic check function

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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.

If a time stamp or sequence number is used, one pass is needed for unilateral authentication, while two passes are needed to achieve mutual authentication. If a challenge and response method employing random numbers is used, two passes are needed for unilateral authentication, while three passes are required to achieve mutual authentication.

Examples of cryptographic check functions are given in ISO/IEC 9797.


SDO ISO: International Organization for Standardization
Document Number ISO/IEC 9798
Publication Date Not Available
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/IEC JTC 1/SC 27/WG 2
Publish Date Document Id Type View
Not Available ISO/IEC 9798-4:1999 Revision
Not Available Revision