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As NZS ISO IEC 9798.4-2008 Information Technology - Security Techniques - Entity Authentication Mechanisms Us | Authentication | International Electrotechnical Commission
As NZS ISO IEC 9798.4-2008 Information Technology - Security Techniques - Entity Authentication Mechanisms Us
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AS/NZS ISO/IEC 9798.
AS/NZS ISO/IEC 9798.4:2008
Information technologySecurity techniquesEntity authentication Part 4: Mechanisms using a cryptographic check function
AS/NZS ISO/IEC 9798.4:2008 This Joint Australian/New Zealand Standard was prepared by Joint Technical Committee IT-012, Information Systems, Security and Identification Technology. It was approved on behalf of the Council of Standards Australia on 28 May 2008 and on behalf of the Council of Standards New Zealand on 31 May 2008. This Standard was published on 25 June 2008.
The following are represented on Committee IT-012: Attorney General's Office Australian Association of Permanent Building Societies Australian Bankers Association Australian Chamber of Commerce and Industry Australian Electrical and Electronic Manufacturers Association Certification Forum of Australia Council of Small Business Organisations Internet Industry Association NSW Police New Zealand Defence Force Reserve Bank of Australia Additional Interests: Fujitsu
This Standard was issued in draft form for comment as DR 07256.
First published as AS/NZS ISO/IEC 9798.4:2008.
ISBN 0 7337 8771 1
This Standard was prepared by the Joint Standards Australia/Standards New Zealand Committee IT-012, Information Systems, Security and Identification Technology. This Standard is identical with, and has been reproduced from ISO/IEC 9798-4:1999, Information technologySecurity techniquesEntity authentication, Part 4: Mechanisms using a cryptographic check function. The objective of this Standard is to provide the Information security management community with detailed guidance on the background, techniques and procedures of entity authentication mechanisms using a cryptographic check function.
This Standard is Part 4 of AS/NZS ISO/IEC 9798, Information technologySecurity techniquesEntity authentication, which is published in parts as follows: AS/NZS ISO/IEC 9798 Information technologySecurity techniquesEntity authentication 9798.1 Part 1: General 9798.2 Part 2: Mechanisms using symmetric encipherment algorithms 9798.3 Part 3: Mechanisms using digital signature techniques 9798.4 Part 4: Mechanisms using a cryptographic check function (this Standard) 9798.5 Part 5: Mechanisms using zero-knowledge techniques 9798.6 Part 6: Mechanisms based on manual data transfer As this Standard is reproduced from an international standard, the following applies: (a) (b) (c) Its number appears on the cover and title page while the international standard number appears only on the cover. In the source text this part of ISO/IEC 9798 should read this Australian/New Zealand Standard. A full point substitutes for a comma when referring to a decimal marker.
References to International Standards should be replaced by references to Australian or Australian/New Zealand Standards, as follows: Reference to International Standard ISO/IEC 9798 Information technologySecurity techniquesEntity authentication 9798-1 Part 1: General Australian Standard AS/NZS ISO/IEC 9798 Information technologySecurity techniquesEntity authentication 9798.1 Part 1: General
Only international references that have been adopted as Australian or Australian/New Zealand Standards have been listed. The term informative has been used in this Standard to define the application of the annex to which it applies. An informative annex is only for information and guidance.
ISO/IEC 9798-4:1999(E)
iii iii CONTENTS Contents
1 2 3 4 5 5.1
Page Scope ..................................................................................................................................................... 1 Normative references........................................................................................................................... 1 Definitions and notation ...................................................................................................................... 1 Requirements........................................................................................................................................ 1 Mechanisms .......................................................................................................................................... 2 Unilateral authentication...................................................................................................................... 2 One pass authentication...................................................................................................................... 2 Two pass authentication...................................................................................................................... 3 Mutual authentication .......................................................................................................................... 4 Two pass authentication...................................................................................................................... 4 Three pass authentication ................................................................................................................... 5 Use of text fields................................................................................................................................... 7
5.1.1 5.1.2 5.2 5.2.1 5.2.2 Annex A
ISO/IEC 1999 All rights reserved
InformationtechnologySecurity techniquesEntity Entity Information technology Security techniques authentication Part 4: Mechanisms using a cryptographic check authentication function
Part 4: Mechanisms using a cryptographic check function
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.
The following normative documents contain provisions which, through reference in this text, constitute provisions of this part of ISO/IEC 9798. For dated references, subsequent amendments to, or revisions of, any of these publications do not apply. However, parties to agreements based on this part of ISO/IEC 9798 are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO/IEC 9797 (all parts), Information technology Security techniques Message Authentication Codes (MACs). ISO/IEC 9798-1:1997, Information technology Security techniques Entity authentication Part 1: General.
For the purposes of this part of ISO/IEC 9798, the definitions and notation described in ISO/IEC 9798-1 apply.
In the authentication mechanisms specified in this part of ISO/IEC 9798 an entity to be authenticated corroborates its identity by demonstrating its knowledge of a secret authentication key. This is achieved by the entity using its secret key with a cryptographic check function applied to specific data to obtain a cryptographic check value. The cryptographic check value can be checked by anyone sharing the entitys secret authentication key, who can recalculate the cryptographic check value and compare it with the value received.
AS/NZS ISO/IEC 9798.4:2008, Information technology - Security techniques - Entity authentication Mechanisms using a cryptographic check function
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