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Analysis of the split mask countermeasure for embedded systems
Coron, Jean-Sébastien; Kizhvatov, Ilya
2009In 4th Workshop on Embedded Systems Security
Peer reviewed
 

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Keywords :
cryptanalysis; countermeasures; DPA; masking; side channel analysis
Abstract :
[en] We analyze a countermeasure against differential power and electromagnetic attacks that was recently introduced under the name of split mask. We show a general weakness of the split mask countermeasure that makes standard DPA attacks with a full key recovery applicable to masked AES and DES implementations. Complexity of the attacks is the same as for unmasked implementations. We implement the most efficient attack on an 8-bit AVR microcontroller. We also show that the strengthened variant of the countermeasure is susceptible to a second order DPA attack independently of the number of used mask tables.
Disciplines :
Computer science
Identifiers :
UNILU:UL-CONFERENCE-2009-929
Author, co-author :
Coron, Jean-Sébastien ;  LACS
Kizhvatov, Ilya ;  University of Luxembourg > Faculty of Science, Technology and Communication (FSTC) > Computer Science and Communications Research Unit (CSC)
Language :
English
Title :
Analysis of the split mask countermeasure for embedded systems
Publication date :
2009
Event name :
4th Workshop on Embedded Systems Security
Event place :
Grenoble, France
Event date :
October 15, 2009
Main work title :
4th Workshop on Embedded Systems Security
Publisher :
ACM
ISBN/EAN :
978-1-60558-700-4
Pages :
1-10
Peer reviewed :
Peer reviewed
Commentary :
4th Workshop on Embedded Systems Security
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since 12 November 2013

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