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A Note on Fault Attacks Against Deterministic Signature Schemes (Short Paper)

  • Alessandro Barenghi
  • Gerardo PelosiEmail author
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9836)

Abstract

Providing sound and fault resilient signature schemes is of crucial importance for the realization of modern secure embedded systems. In this context, the use of standardized discrete logarithm signature primitives such as DSA and ECDSA has been proven frail with respect to failures in the RNG subsystem of a device, leading to the design of deterministic schemes. In this work we analyze the resistance of deterministic signature primitives to fault attacks. We devise an attack strategy relying on a relaxed fault model and show how to efficiently derive the secret key of the deterministic version of both DSA and ECDSA, employing a single correct-faulty signature pair, while we show that the EdDSA algorithm shows structural resistance against such attacks.

Keywords

Elliptic Curve Signature Scheme Fault Model Fault Injection Input Message 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

This work was supported in part by the EU grant awarded for the action “Safe Cooperating Cyber-Physical Systems using Wireless Communication – SafeCOP” (ECSEL JU 2015-RIA). Grant agreement no. 692529.

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  1. 1.Department of Electronics, Information and Bioengineering – DEIBPolitecnico di MilanoMilanoItaly

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