linear approximation of block ciphers

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• Linear cryptanalysis — In cryptography, linear cryptanalysis is a general form of cryptanalysis based on finding affine approximations to the action of a cipher. Attacks have been developed for block ciphers and stream ciphers. Linear cryptanalysis is one of the two… …   Wikipedia

• Differential-linear attack — Introduced by Martin Hellman and Susan K. Langford in 1994, the differential linear attack is a mix of both linear cryptanalysis and differential cryptanalysis. The attack utilises a differential characteristic over part of the cipher with a… …   Wikipedia

• линейная аппроксимация блочных шифраторов — — [[http://www.rfcmd.ru/glossword/1.8/index.php?a=index d=23]] Тематики защита информации EN linear approximation of block ciphers …   Справочник технического переводчика

• Piling-up lemma — In cryptanalysis, the piling up lemma is a principle used in linear cryptanalysis to construct linear approximations to the action of block ciphers. It was introduced by Mitsuru Matsui (1993) as an analytical tool for linear… …   Wikipedia

• Decorrelation — is a general term for any process that is used to reduce autocorrelation within a signal, or cross correlation within a set of signals, while preserving other aspects of the signal. A frequently used method of decorrelation is the use of a… …   Wikipedia

• KeeLoq — is a proprietary hardware dedicated NLFSR based block cipher. The uni directional command transfer protocol was designed by Frederick Bruwer PhD, CEO at Nanoteq (Pty) Ltd and the crypto algorithm was done by Professor Gideon Kuhn with the silicon …   Wikipedia