De-correlated Fast Cipher: Difference between revisions
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'''DFC''' or '''De-correlated Fast Cipher''' | '''DFC''' or '''De-correlated Fast Cipher''' | ||
<ref>{{citation | |||
| url = http://lasecwww.epfl.ch/memo/dfc.shtml | |||
| title= DFC home page | |||
}}</ref> | |||
<ref>{{citation | <ref>{{citation | ||
| title= H. Gilbert, M. Girault, P. Hoogvorst, F. Noilhan, T. Pornin, G. Poupard, J. Stern, S. Vaudenay | | title= H. Gilbert, M. Girault, P. Hoogvorst, F. Noilhan, T. Pornin, G. Poupard, J. Stern, S. Vaudenay | ||
| author= Decorrelated Fast Cipher: an AES candidate | | author= Decorrelated Fast Cipher: an AES candidate | ||
| date= May 1998 | | date= May 1998 | ||
| url = http:// | | url = http://lasecwww.epfl.ch/php_code/publications/search.php?ref=GG%2B98 | ||
}}</ref> | }}</ref> | ||
<ref>{{citation | <ref>{{citation | ||
| Line 15: | Line 19: | ||
| publisher = Springer-Verlag | | publisher = Springer-Verlag | ||
| date = 2000 | | date = 2000 | ||
| url = http:// | | url = http://lasecwww.epfl.ch/php_code/publications/search.php?ref=GNNV00 | ||
}}</ref> | }}</ref> | ||
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. | 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. | ||
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<ref>{{citation | <ref>{{citation | ||
| author = Lars Knudsen & Vincent Rijmen | | author = Lars Knudsen & Vincent Rijmen | ||
| title = On the Decorrelated Fast Cipher (DFC) and Its Theory | |||
| booktitle = 6th International Workshop on [[Fast Software Encryption]] (FSE '99) | |||
| pages = pp.81–94 | |||
| publisher = Springer-Verlag | |||
| date - March 1999 | |||
| url = http://www.cosic.esat.kuleuven.be/publications/article-367.ps | |||
}}</ref>. | }}</ref>. | ||
==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
Latest revision as of 05:48, 8 April 2024
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 DFC or De-correlated Fast Cipher [1] [2] [3] 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. However, some attacks on DFC were found by going outside those assumptions, timing attacks on some implementations [4] and a more general attack using a variant of differential analysis [5]. References
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