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A New Scan Attack on RSA in Presence of Industrial Countermeasures

Abstract : This paper proposes a new scan-based side-channel attack on RSA public-key cryptographic implementations in the presence of advanced Design for Testability (DfT) techniques. The attack is performed on an actual hardware implementation, for which different test scenarios were conceived (response compaction, X-Masking). The practical aspects of scan-based attacks on the RSA cryptosystem are also presented. Additionally, a novel scan-attack security analysis tool is proposed which helps in evaluating the scan-chain leakage resi-lience of security circuits
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-00719986
Contributor : Bruno Rouzeyre <>
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Jean da Rolt, Amitabh Das, Giorgio Di Natale, Marie-Lise Flottes, Bruno Rouzeyre, et al.. A New Scan Attack on RSA in Presence of Industrial Countermeasures. COSADE: Constructive Side-Channel Analysis and Secure Design, May 2012, Darmstadt, Germany. pp.89-104, ⟨10.1007/978-3-642-29912-4_8⟩. ⟨lirmm-00719986⟩

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