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CHES
2009
Springer
229views Cryptology» more  CHES 2009»
14 years 8 months ago
KATAN and KTANTAN - A Family of Small and Efficient Hardware-Oriented Block Ciphers
Abstract. In this paper we propose a new family of very efficient hardware oriented block ciphers. The family contains six block ciphers divided into two flavors. All block ciphers...
Christophe De Cannière, Orr Dunkelman, Miro...
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
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
IWSEC
2009
Springer
14 years 2 months ago
Impossible Boomerang Attack for Block Cipher Structures
Impossible boomerang attack [5] (IBA) is a new variant of differential cryptanalysis against block ciphers. Evident from its name, it combines the ideas of both impossible differ...
Jiali Choy, Huihui Yap
IJNSEC
2007
253views more  IJNSEC 2007»
13 years 7 months ago
Stream or Block Cipher for Securing VoIP?
When the network is homogeneous, choosing the cipher type for a packet telephony application is simple. It is clear that stream ciphers perform better than block ciphers over land...
Ashraf D. Elbayoumy, Simon J. Shepherd