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EUROCRYPT
2003
Springer
14 years 1 months 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
IMA
2009
Springer
221views Cryptology» more  IMA 2009»
14 years 3 months ago
Cache Timing Analysis of LFSR-Based Stream Ciphers
Cache timing attacks are a class of side-channel attacks that is applicable against certain software implementations. They have generated significant interest when demonstrated ag...
Gregor Leander, Erik Zenner, Philip Hawkes
CRYPTO
2003
Springer
156views Cryptology» more  CRYPTO 2003»
14 years 1 months ago
Fast Algebraic Attacks on Stream Ciphers with Linear Feedback
Many popular stream ciphers apply a filter/combiner to the state of one or several LFSRs. Algebraic attacks on such ciphers [10, 11] are possible, if there is a multivariate relat...
Nicolas Courtois
INDOCRYPT
2007
Springer
14 years 2 months ago
A Framework for Chosen IV Statistical Analysis of Stream Ciphers
Saarinen recently proposed a chosen IV statistical attack, called the d-monomial test, and used it to find weaknesses in several proposed stream ciphers. In this paper we generali...
Håkan Englund, Thomas Johansson, Meltem S&ou...
AES
2004
Springer
151views Cryptology» more  AES 2004»
14 years 1 months ago
General Principles of Algebraic Attacks and New Design Criteria for Cipher Components
This paper is about the design of multivariate public key schemes, as well as block and stream ciphers, in relation to recent attacks that exploit various types of multivariate alg...
Nicolas Courtois