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» A generic attack to ciphers
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ESORICS
2004
Springer
14 years 13 days ago
On the Role of Key Schedules in Attacks on Iterated Ciphers
This paper considers iterated ciphers and their resistance against linear and differential cryptanalysis. In the theory of these attacks one assumes independence of the round keys...
Lars R. Knudsen, John Erik Mathiassen
ICISC
2004
120views Cryptology» more  ICISC 2004»
13 years 8 months ago
Algebraic Attacks on Combiners with Memory and Several Outputs
Algebraic attacks on stream ciphers [14] recover the key by solving an overdefined system of multivariate equations. Such attacks can break several interesting cases of LFSR-based ...
Nicolas Courtois
WISA
2009
Springer
14 years 1 months ago
Unknown Plaintext Template Attacks
In this paper we present a variation of the template attack classification process that can be applied to block ciphers when the plaintext and ciphertext used are unknown. In a na...
Neil Hanley, Michael Tunstall, William P. Marnane
IMA
2007
Springer
137views Cryptology» more  IMA 2007»
14 years 1 months ago
Algebraic Cryptanalysis of the Data Encryption Standard
In spite of growing importance of AES, the Data Encryption Standard is by no means obsolete. DES has never been broken from the practical point of view. The triple DES is believed ...
Nicolas Courtois, Gregory V. Bard
AES
2004
Springer
139views Cryptology» more  AES 2004»
14 years 13 days ago
The Inverse S-Box, Non-linear Polynomial Relations and Cryptanalysis of Block Ciphers
This paper is motivated by the design of AES. We consider a broader question of cryptanalysis of block ciphers having very good non-linearity and diffusion. Can we expect anyway, ...
Nicolas Courtois