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» Algebraic Side-Channel Attacks
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TCOS
2010
13 years 2 months ago
PET SNAKE: A Special Purpose Architecture to Implement an Algebraic Attack in Hardware
Abstract. In [24] Raddum and Semaev propose a technique to solve systems of polynomial equations over F2 as occurring in algebraic attacks on block ciphers. This approach is known ...
Willi Geiselmann, Kenneth Matheis, Rainer Steinwan...
CRYPTO
2003
Springer
156views Cryptology» more  CRYPTO 2003»
14 years 23 days 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
AES
2004
Springer
151views Cryptology» more  AES 2004»
14 years 28 days 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
FSE
2008
Springer
143views Cryptology» more  FSE 2008»
13 years 9 months ago
Algebraic and Slide Attacks on KeeLoq
KeeLoq is a block cipher used in wireless devices that unlock the doors and alarms in cars manufactured by Chrysler, Daewoo, Fiat, GM, Honda, Jaguar, Toyota, Volvo, Volkswagen, etc...
Nicolas Courtois, Gregory V. Bard, David Wagner
DAGSTUHL
2007
13 years 9 months ago
How Fast can be Algebraic Attacks on Block Ciphers?
In this paper we give a specification of a new block cipher that can be called the Courtois Toy Cipher (CTC). It is quite simple, and yet very much like any other known block ciph...
Nicolas Courtois