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Related-Key Cryptanalysis of the Full AES-192 and AES-256
Biryukov, Alex; Khovratovich, Dmitry
2009In ASIACRYPT 2009
Peer reviewed
 

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Keywords :
related-key attacks; AES; boomerang
Abstract :
[en] In this paper we present two related-key attacks on the full AES. For AES-256 we show the first key recovery attack that works for all the keys and has 2^99.5 time and data complexity, while the recent attack by Biryukov-Khovratovich-Nikolic works for a weak key class and has much higher complexity. The second attack is the first cryptanalysis of the full AES-192. Both our attacks are boomerang attacks, which are based on the recent idea of finding local collisions in block ciphers and enhanced with the boomerang switching techniques to gain free rounds in the middle.
Disciplines :
Computer science
Identifiers :
UNILU:UL-CONFERENCE-2010-154
Author, co-author :
Biryukov, Alex ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC)
Khovratovich, Dmitry ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC)
Language :
English
Title :
Related-Key Cryptanalysis of the Full AES-192 and AES-256
Publication date :
2009
Event name :
ASIACRYPT 2009
Event place :
Tokyo, Japan
Event date :
December 6-10, 2009
Audience :
International
Main work title :
ASIACRYPT 2009
Publisher :
Springer
ISBN/EAN :
978-3-642-10365-0
Pages :
1-18
Peer reviewed :
Peer reviewed
Commentary :
5912 Advances in Cryptology - ASIACRYPT 2009, 15th International Conference on the Theory and Application of Cryptology and Information Security
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