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Exponential attacks on 6-round Luby-Rackoff and on 5-round Lai-Massey
block ciphers indi erentiability Luby-Racko Lai-Massey
2011/1/12
The random oracle model and the ideal cipher model were proven equivalent after Coron et al. (CRYPTO 08) showed that six Feistel rounds are indifferentiable from an ideal cipher. This result, however,...
Pseudorandomness Analysis of the Lai-Massey Scheme
Pseudorandomness Analysis Lai-Massey Scheme IDEA cipher
2009/6/15
At Asiacrypt’99, Vaudenay modified the structure in the
IDEA cipher to a new scheme, which they called as the Lai-Massey
scheme. It is proved that 3-round Lai-Massey scheme is sufficient for
pseudo...
Lai-Massey Scheme and Quasi-Feistel Networks (Extended Abstract)
Lai-Massey scheme Feistel network Luby-Rackoff
2008/5/29
We introduce the notion of quasi-Feistel network, which is generalization of the
Feistel network, and contains the Lai-Massey scheme as an instance.