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» On the Complexity of Matsui's Attack
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MYCRYPT
2005
Springer
187views Cryptology» more  MYCRYPT 2005»
14 years 24 days ago
Distinguishing Attacks on T-Functions
Klimov and Shamir proposed a new class of simple cryptographic primitives named T-functions. For two concrete proposals based on the squaring operation, a single word T-function an...
Simon Künzli 0002, Pascal Junod, Willi Meier
EUROCRYPT
2003
Springer
14 years 16 days ago
Algebraic Attacks on Stream Ciphers with Linear Feedback
A classical construction of stream ciphers is to combine several LFSRs and a highly non-linear Boolean function f. Their security is usually analysed in terms of correlation attack...
Nicolas Courtois, Willi Meier
CTRSA
2009
Springer
155views Cryptology» more  CTRSA 2009»
14 years 2 months ago
Cryptanalysis of CTC2
CTC is a toy cipher designed in order to assess the strength of algebraic attacks. While the structure of CTC is deliberately weak with respect to algebraic attacks, it was claimed...
Orr Dunkelman, Nathan Keller
WAIFI
2007
Springer
175views Mathematics» more  WAIFI 2007»
14 years 1 months ago
Attacking the Filter Generator over GF (2 m )
We consider the filter generator over GF(2m ) consisting of a linear feedback shift register of length k that generates a maximal length linear sequence of period 2mk − 1 over G...
Sondre Rønjom, Tor Helleseth
WCC
2005
Springer
135views Cryptology» more  WCC 2005»
14 years 24 days ago
Open Problems Related to Algebraic Attacks on Stream Ciphers
Abstract. The recently developed algebraic attacks apply to all keystream generators whose internal state is updated by a linear transition function, including LFSR-based generator...
Anne Canteaut