Title
Improved Cryptanalysis of MISTY1
Abstract
The block cipher MISTY1 [9] proposed for the NESSIE project [11] is a Feistel network augmented with key-dependent linear FL functions. The proposal allows a variable number of rounds provided that it is a multiple of four.Here we present a new attack - the Slicing Attack - on the 4-round version, which makes use of the special structure and position of these key-dependent linear FL functions. While the FL functions were introduced to make attacks harder, they also present a subtle weakness in the 4-round version of the cipher.
Year
DOI
Venue
2002
10.1007/3-540-45661-9_5
Fast Software Encryption
Keywords
Field
DocType
cryptanalysis,nessie project,new attack,feistel network,improved cryptanalysis,block cipher,slicing attack,4-round version,fl function,special structure,impossible dierential,key-dependent linear fl function,subtle weakness,block cipher misty1
Cipher,Higher-order differential cryptanalysis,Boomerang attack,MISTY1,Block cipher,Computer science,Algorithm,Linear cryptanalysis,Slide attack,Differential cryptanalysis
Conference
Volume
ISSN
ISBN
2365
0302-9743
3-540-44009-7
Citations 
PageRank 
References 
26
1.49
6
Authors
1
Name
Order
Citations
PageRank
Ulrich Kühn19413.58