Abstract | ||
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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 Kühn | 1 | 94 | 13.58 |