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  4. Fast Key Recovery Attack on ARMADILLO1 and Variants
 
conference paper

Fast Key Recovery Attack on ARMADILLO1 and Variants

Sepehrdad, Pouyan  
•
Susil, Petr  
•
Vaudenay, Serge  
2011
Smart Card Research and Advanced Applications. CARDIS 2011
CARDIS

The ARMADILLO cryptographic primitive is a multi-purpose cryptographic primitive for RFID devices proposed at CHES’10. The main purpose of the primitive is to provide a secure authentication in a challenge-response protocol. It has two versions, named ARMADILLO (subsequently denoted by ARMADILLO1) and ARMADILLO2. However, we found a fatal weakness in the design which allows a passive attacker to recover the secret key in polynomial time, of ARMADILLO1 and some generalizations. We introduce some intermediate designs which try to prevent the attack and link ARMADILLO1 to ARMADILLO2. Considering the fact that the attack against ARMADILLO1 is polynomial, this brings about some concerns into the security of the second version ARMADILLO2, although it remains unbroken so far.

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Type
conference paper
DOI
10.1007/978-3-642-27257-8_9
Author(s)
Sepehrdad, Pouyan  
Susil, Petr  
Vaudenay, Serge  
Date Issued

2011

Publisher

Springer

Published in
Smart Card Research and Advanced Applications. CARDIS 2011
Series title/Series vol.

Lecture Notes in Computer Science; 7079

Start page

33

End page

150

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LASEC  
Event nameEvent placeEvent date
CARDIS

Leuven, Belgium

September 14-16, 2011

Available on Infoscience
September 18, 2011
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/70970
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