Article (Scientific journals)
CRAFT: Lightweight Tweakable Block Cipher with Efficient Protection Against DFA Attacks
Beierle, Christof; Leander, Gregor; Moradi, Amir et al.
2019In IACR Transactions on Symmetric Cryptology, 2019 (1), p. 5-45
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Keywords :
CRAFT; block cipher; tweakable; lightweight; fault detection; involutory
Abstract :
[en] Traditionally, countermeasures against physical attacks are integrated into the implementation of cryptographic primitives after the algorithms have been designed for achieving a certain level of cryptanalytic security. This picture has been changed by the introduction of PICARO, ZORRO, and FIDES, where efficient protection against Side-Channel Analysis (SCA) attacks has been considered in their design. In this work we present the tweakable block cipher CRAFT: the efficient protection of its implementations against Differential Fault Analysis (DFA) attacks has been one of the main design criteria, while we provide strong bounds for its security in the related-tweak model. Considering the area footprint of round-based hardware implementations, CRAFT outperforms the other lightweight ciphers with the same state and key size. This holds not only for unprotected implementations but also when fault-detection facilities, side-channel protection, and their combination are integrated into the implementation. In addition to supporting a 64-bit tweak, CRAFT has the additional property that the circuit realizing the encryption can support the decryption functionality as well with very little area overhead.
Disciplines :
Computer science
Author, co-author :
Beierle, Christof ;  University of Luxembourg > Interdisciplinary Centre for Security, Reliability and Trust (SNT)
Leander, Gregor;  Horst Görtz Institute for IT Security, Ruhr-Universität Bochum, Germany
Moradi, Amir;  Horst Görtz Institute for IT Security, Ruhr-Universität Bochum, Germany
Rasoolzadeh, Shahram;  Horst Görtz Institute for IT Security, Ruhr-Universität Bochum, Germany
External co-authors :
yes
Language :
English
Title :
CRAFT: Lightweight Tweakable Block Cipher with Efficient Protection Against DFA Attacks
Publication date :
08 March 2019
Journal title :
IACR Transactions on Symmetric Cryptology
ISSN :
2519-173X
Publisher :
Ruhr-Universität Bochum, Bochum, Germany
Volume :
2019
Issue :
1
Pages :
5-45
Peer reviewed :
Peer Reviewed verified by ORBi
Focus Area :
Security, Reliability and Trust
Available on ORBilu :
since 21 March 2019

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