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» Cryptanalysis of RC4-like Ciphers
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DCC
2011
IEEE
13 years 2 months ago
Sparse Boolean equations and circuit lattices
Abstract. A system of Boolean equations is called sparse if each equation depends on a small number of variables. Finding efficiently solutions to the system is an underlying hard ...
Igor Semaev
CRYPTOLOGIA
2007
81views more  CRYPTOLOGIA 2007»
13 years 7 months ago
Sigaba: Cryptanalysis of the Full Keyspace
In this paper we consider an attack on the SIGABA cipher under the assumption that the largest practical keyspace is used. The attack highlights various strengths and weaknesses o...
Mark Stamp, Wing On Chan
ICISC
2007
120views Cryptology» more  ICISC 2007»
13 years 8 months ago
Improving the Time Complexity of Matsui's Linear Cryptanalysis
This paper reports on an improvement of Matsui’s linear cryptanalysis that reduces the complexity of an attack with algorithm 2, by taking advantage of the Fast Fourier Transform...
Baudoin Collard, François-Xavier Standaert,...
IACR
2011
135views more  IACR 2011»
12 years 7 months ago
Algebraic Complexity Reduction and Cryptanalysis of GOST
Abstract. GOST 28147-89 is a well-known block cipher and the official encryption standard of the Russian Federation. Its large key size of 256 bits at a particularly low implementa...
Nicolas Courtois
ICISC
2001
132views Cryptology» more  ICISC 2001»
13 years 8 months ago
Slide Attacks with a Known-Plaintext Cryptanalysis
Although many strong cryptanalytic tools exploit weaknesses in the data-randomizinig part of a block cipher, relatively few general tools for cryptanalyzing on the other part, the ...
Soichi Furuya