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» Algebraic Attacks on the Courtois Toy Cipher
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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
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
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
IACR
2011
135views more  IACR 2011»
12 years 7 months ago
Algebraic Complexity Reduction and Cryptanalysis of GOST
Abstract. GOST 28147-89 is a well-known block cipher and the official encryption standard of the Russian Federation. Its large key size of 256 bits at a particularly low implementa...
Nicolas Courtois