Table of Contents

1 -  AS 2805.5.4-2000 ELECTRONIC FUNDS TRANSFER-REQUIREMENTS FOR INTERFACES - CIPHERS-DATA ENCIPHERMENT ALGORITHM 3 (DEA 3) AND....
4 -  PREFACE
5 -  CONTENTS
6 -  1 SCOPE
6 -  2 APPLICATION
6 -  3 REFERENCED DOCUMENTS
6 -  4 DEFINITIONS
6 -  4.1 Algorithm
6 -  4.2 Authentication
6 -  4.3 Cipher block chaining
6 -  4.4 Cipher text
6 -  4.5 Data encipherment algorithm (DEA)
6 -  4.6 Decipherment
7 -  4.7 Encipherment
7 -  4.8 Exhaustion (of a key)
7 -  4.9 Key
7 -  4.10 Key verification code (KVC)
7 -  4.11 Modulo 2 addition
7 -  4.12 One-way function
7 -  4.13 Plain text
7 -  5 ENCIPHERMENT OF DATA BY DEA 3
7 -  5.1 DEA 3 key
7 -  5.2 DEA 3 algorithm
8 -  6 ONE WAY FUNCTIONS
8 -  6.1 General
8 -  6.2 One Way Function
8 -  6.2.1 Overview
8 -  6.2.2 Inputs
8 -  6.2.3 Algorithm
10 -  6.3 Output of OWF
10 -  6.4 Randomness of result of OWF
10 -  7 KEY VERIFICATION CODES
10 -  8 AUTHENTICATION USING A DEA 3 KEY
11 -  APPENDIX A - NOMENCLATURE
11 -  A1 SCOPE
11 -  A2 OPERATORS
11 -  A3 FUNCTIONS
12 -  APPENDIX B - VULNERABILITY OF SOME CIPHERING KEYS
12 -  B1 GENERAL
12 -  B2 DEA 3 WITH THREE DIFFERENT KEYS
13 -  APPENDIX C - SAMPLE VECTORS

Abstract

Specifies the DEA 3 ciphering algorithm, which combines three instances of the DEA 1 algorithm as defined in AS 2805.5.1, in order to achieve greater security against attack. Also specifies some related cryptographic processes for higher security.

RECONFIRMATION NOTICE
Technical Committee IT-005 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.
Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.
Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 14 May 2013.
The following are represented on Technical Committee IT-005:

Australian Association of Permanent Building Societies
Australian Bankers Association
Australian Industry Group
Australian Payments Clearing Association
Australian Retailers Association
Credit Union Services Corporation (Australia)
EFTPOS Payments Australia


To view or download a copy of the reconfirmation notice please go to the reconfirmation link near the top of this page.

Scope

This Standard specifies the DEA 3 ciphering algorithm, which combines three instances of the DEA 1 algorithm defined in AS 2805.5.1 in order to achieve greater security against attack. Some related cryptographic processes of similarly higher security are also specified.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	Standards Australia
ProductNote	Reconfirmed 11-07-2013
Pages
ISBN
Committee	IT-005
Supersedes	DR 99239