1 - AS 2805.5.1-1992 ELECTRONIC FUNDS TRANSFER-REQUIREMENTS FOR INTERFACES - PART 5.1: CIPHERS-DATA ENCIPHERMENT ALGORITHM 1 (DEA
4 - PREFACE
4 - CONTENTS
5 - FOREWORD
6 - 1 SCOPE
6 - 2 APPLICATION
6 - 3 REFERENCED DOCUMENTS
6 - 4 DEFINITIONS
6 - 4.1 Algorithm
6 - 4.2 Cipher text
6 - 4.3 Clear text
6 - 4.4 Data encipherment algorithm (DEA)
6 - 4.5 Decipherment
6 - 4.6 Encipherment
6 - 4.7 Encipherment algorithm
6 - 4.8 Key
6 - 4.9 Modulo 2 addition
6 - 5 DATA ENCIPHERMENT ALGORITHM SPECIFICATIONS
6 - 5.1 Introduction
7 - 5.2 Encipherment
9 - 5.3 Deciphering
9 - 5.4 Function f
11 - 5.5 Primitive functions for the data encipherment algorithm
14 - APPENDIX A - KEY PRESENTATION
14 - A1 INTRODUCTION
14 - A2 WEAK KEYS
14 - A3 SEMI-WEAK KEYS
15 - A4 OTHER KEYS
15 - A5 CONCLUSION

Specifies a mathematical algorithm for enciphering and deciphering the information relating to financial transactions.

This Standard specifies a mathematical algorithm for enciphering and deciphering the information relating to financial transactions.

First published as part of AS 2805.5-1985.Revised and redesignated in part as AS 2805.5.1-1992.Reconfirmed 2013. Originated as part of AS 2805.5-1985. Revised and redesignated in part as AS 2805.5.1-1992. Reissued incorporating Amendment No. 1 (January 2007).