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Communication Dans Un Congrès Année : 2023

Correlation electromagnetic analysis on an FPGA implementation of CRYSTALS-Kyber

Résumé

Post-quantum cryptography represents a category of cryptosystems resistant to quantum algorithms. Such schemes are under the scrutiny of their mathematical security in the context of the NIST standardization process, but they are not side-channel secure at the algorithm level. That is why their side-channel vulnerabilities must be assessed by the research community. In this paper, we present a non-profiled correlation electromagnetic analysis against an FPGA implementation of the standard key-encapsulation mechanism, CRYSTALS-Kyber. The attack correlates an electromagnetic radiation model of the polynomial multiplication execution with the captured traces. With 166,620 traces, this attack correctly recovers 100% of the subkeys. Furthermore, a countermeasure is presented for securing the target implementation against the presented attack.
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Dates et versions

cea-04160004 , version 1 (12-07-2023)

Identifiants

Citer

Rafael Carrera Rodriguez, Florent Bruguier, Emanuele Valea, Pascal Benoit. Correlation electromagnetic analysis on an FPGA implementation of CRYSTALS-Kyber. PRIME 2023 - 18th International Conference on PhD Research in Microelectronics and Electronics, Jun 2023, Valence, Spain. pp.217-220, ⟨10.1109/PRIME58259.2023.10161764⟩. ⟨cea-04160004⟩
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