ASIACRYPT
2006
Springer
14 years 3 months ago
2006
Springer
In this paper, we describe generic attacks on unbalanced Feistel schemes with contracting functions. These schemes are used to construct pseudo-random permutations from kn bits to ...
ASIACRYPT
2007
Springer
14 years 5 months ago
2007
Springer
Unbalanced Feistel schemes with expanding functions are used to construct pseudo-random permutations from kn bits to kn bits by using random functions from n bits to (k − 1)n bit...