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» Distinguishing Attacks on the Stream Cipher Py
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ISW
2007
Springer
13 years 11 months ago
Multiple Modular Additions and Crossword Puzzle Attack on NLSv2
NLS is a stream cipher which was submitted to eSTREAM project. A linear distinguishing attack against NLS was presented by Cho and Pieprzyk, which was called as Crossword Puzzle at...
Joo Yeon Cho, Josef Pieprzyk
FSE
2006
Springer
124views Cryptology» more  FSE 2006»
13 years 8 months ago
Improved Linear Distinguishers for SNOW 2.0
In this paper we present new and more accurate estimates of the biases of the linear approximation of the FSM of the stream cipher SNOW 2.0. Based on improved bias estimates we als...
Kaisa Nyberg, Johan Wallén
EUROCRYPT
2005
Springer
13 years 10 months ago
Predicting and Distinguishing Attacks on RC4 Keystream Generator
In this paper we analyze the statistical distribution of the keystream generator used by the stream ciphers RC4 and RC4A. Our first result is the discovery of statistical biases o...
Itsik Mantin
SACRYPT
2005
Springer
138views Cryptology» more  SACRYPT 2005»
13 years 10 months ago
On the (Im)Possibility of Practical and Secure Nonlinear Filters and Combiners
A vast amount of literature on stream ciphers is directed to the cryptanalysis of LFSR-based filters and combiners, resulting in various attack models such as distinguishing attac...
An Braeken, Joseph Lano
FSE
2003
Springer
112views Cryptology» more  FSE 2003»
13 years 10 months ago
Cryptanalysis of SOBER-t32
Abstract. Sober-t32 is a candidate stream cipher in the NESSIE competition. Some new attacks are presented in this paper. A Guess and Determine attack is mounted against Sober-t32 ...
Steve Babbage, Christophe De Cannière, Jose...