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Title: Breaking redundancy-based countermeasures with random faults and power side channel
Authors: Saha, Sayandeep
Jap, Dirmanto
Breier, Jakub
Bhasin, Shivam
Mukhopadhyay, Debdeep
Dasgupta, Pallab
Keywords: Engineering::Computer science and engineering
Fault Attack
Issue Date: 2018
Source: Saha, S., Jap, D., Breier, J., Bhasin, S., Mukhopadhyay, D., & Dasgupta, P. (2018). Breaking redundancy-based countermeasures with random faults and power side channel. 2018 Workshop on Fault Diagnosis and Tolerance in Cryptography (FDTC). doi:10.1109/FDTC.2018.00011
Abstract: Redundancy based countermeasures against fault attacks are a popular choice in security-critical commercial products, owing to its high fault coverage and applications to safety/reliability. In this paper, we propose a combined attack on such countermeasures. The attack assumes a random byte/nibble fault model with existence of side-channel leakage of the final comparison, and no knowledge of the faulty ciphertext. Unlike the previously proposed biased/multiple fault attack, we just need to corrupt one computation branch. Both analytical and experimental evaluation of this attack strategy is presented on software implementations of two state-of-the-art block ciphers, AES and PRESENT, on an ATmega328P microcontroller, via side-channel measurements and a laser-based fault injection. Moreover, this work establishes that even without the knowledge of the faulty ciphertexts, one can still perform differential fault analysis attacks, given the availability of side-channel information.
DOI: 10.1109/FDTC.2018.00011
Rights: © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:TL Conference Papers

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