2007 | OriginalPaper | Buchkapitel
Square Like Attack on Camellia
verfasst von : Lei Duo, Chao Li, Keqin Feng
Erschienen in: Information and Communications Security
Verlag: Springer Berlin Heidelberg
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In this paper, a square like attack on Camellia is presented, by which 9-round 128-bit key Camellia without
FL
/
FL
− 1
functions layer and whitening is breakable with complexity of 2
86.9
encryptions and 2
66
data and 12-round 256-bit key Camellia without
FL
/
FL
− 1
function layer and whitening is breakable with the complexity of 2
250.8
encryptions and 2
66
data. And we can also apply such method to block cipher having XORing sBoxes in diffusion layer.