Cryptanalysis of IDEA-X/2

Authors	H. Raddum
Title	Cryptanalysis of IDEA-X/2
Afilliation	, Communication Systems
Project(s)	Simula UiB
Status	Published
Publication Type	Proceedings, refereed
Year of Publication	2003
Conference Name	Fast Software Encryption
Volume	2887
Pagination	1 - 8
Date Published	02/2003
Publisher	Lecture Notes in Computer Science, Springer Verlag
ISBN Number	978-3-540-20449-7
ISSN Number	0302-9743
Keywords	block ciphers, Cryptography, differential cryptanalysis, IDEA
Abstract	IDEA is a 64-bit block cipher with a 128-bit key designed by J. Massey and X. Lai. At FSE 2002 a slightly modified version called IDEA-X was attacked using multiplicative differentials. In this paper we present a less modified version of IDEA we call IDEA-X/2, and an attack on this cipher. This attack also works on IDEA-X, and improves on the attack presented at FSE 2002.
DOI	10.1007/978-3-540-39887-5_1
Citation Key	24068

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