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Authors: Silvia Mella 1 ; Filippo Melzani 2 and Andrea Visconti 1

Affiliations: 1 Università degli Studi di Milano, Italy ; 2 STMicroelectronics, Italy

Keyword(s): Fault Attacks, AES, Differential Fault Analysis.

Related Ontology Subjects/Areas/Topics: Applied Cryptography ; Cryptographic Techniques and Key Management ; Data Engineering ; Databases and Data Security ; Information and Systems Security ; Security Engineering ; Security in Information Systems

Abstract: Most of the attacks against the Advanced Encryption Standard based on faults mainly aim at either altering the temporary value of the message or key during the computation. Few other attacks tamper the instruction flow in order to reduce the number of round iterations to one or two. In this work, we extend this idea and present fault attacks against the AES algorithm that exploit the misbehavior of the instruction flow during the last round. In particular, we consider faults that cause the algorithm to skip, repeat or corrupt one of the four AES round functions. In principle, these attacks are applicable against both software and hardware implementations, by targeting the execution of instructions or the control logic. As conclusion countermeasures against fault attacks must also cover the instruction flow and not only the processed data.

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Paper citation in several formats:
Mella, S.; Melzani, F. and Visconti, A. (2014). Differential Fault Attacks against AES Tampering with the Instruction Flow. In Proceedings of the 11th International Conference on Security and Cryptography (ICETE 2014) - SECRYPT; ISBN 978-989-758-045-1; ISSN 2184-3236, SciTePress, pages 439-444. DOI: 10.5220/0005112104390444

@conference{secrypt14,
author={Silvia Mella. and Filippo Melzani. and Andrea Visconti.},
title={Differential Fault Attacks against AES Tampering with the Instruction Flow},
booktitle={Proceedings of the 11th International Conference on Security and Cryptography (ICETE 2014) - SECRYPT},
year={2014},
pages={439-444},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0005112104390444},
isbn={978-989-758-045-1},
issn={2184-3236},
}

TY - CONF

JO - Proceedings of the 11th International Conference on Security and Cryptography (ICETE 2014) - SECRYPT
TI - Differential Fault Attacks against AES Tampering with the Instruction Flow
SN - 978-989-758-045-1
IS - 2184-3236
AU - Mella, S.
AU - Melzani, F.
AU - Visconti, A.
PY - 2014
SP - 439
EP - 444
DO - 10.5220/0005112104390444
PB - SciTePress

- Science and Technology Publications, Lda.
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