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De-correlated Fast Cipher
From Citizendium, the Citizens' Compendium
DFC or De-correlated Fast Cipher    is a block cipher developed by a French team as a candidate for the AES competition; it did not make it into the finals. Like all AES candidates, it uses 128-bit blocks and supports key sizes of 128, 192 or 256 bits. It is a six-round Feistel cipher using a single 6 by 32 S-box.
This cipher was based on Serge Vaudenay's theoretical work on decorrelation theory. That theory gives methods of constructing ciphers which are provably immune to differential cryptanalysis, linear cryptanalysis, and any other attacks that meet some fairly broad assumptions.
- ↑ DFC home page
- ↑ Decorrelated Fast Cipher: an AES candidate (May 1998), H. Gilbert, M. Girault, P. Hoogvorst, F. Noilhan, T. Pornin, G. Poupard, J. Stern, S. Vaudenay
- ↑ Louis Granboulan, Phong Q. Nguyen, Fabrice Noilhan, Serge Vaudenay (2000), DFCv2, Springer-Verlag, at 57-71
- ↑ Ian Harvey (March 1999), The DFC Cipher: An Attack on Careless Implementations, DOI:10.1.1.42.3196
- ↑ Lars Knudsen & Vincent Rijmen, On the Decorrelated Fast Cipher (DFC) and Its Theory, Springer-Verlag, at pp.81–94