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Successful Attack on an FPGA-based WDDL DES Cryptoprocessor Without Place and Route Constraints.

Abstract : In this paper, we propose a preprocessing method to improve Side Channel Attacks (SCAs) on Dual-rail with Precharge Logic (DPL) countermeasure family. The strength of our method is that it uses intrinsic characteristics of the countermeasure: classical methods fail when the countermeasure is perfect, whereas our method still works and enables us to perform advanced attacks. We have experimentally validated the proposed method by attacking a DES cryptoprocessor embedded in a Field Programmable Gates Array (FPGA), and protected by the Wave Dynamic Differential Logic (WDDL) countermeasure. This successful attack, unambiguous as the full key is retrieved, is the first to be reported.
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https://hal.archives-ouvertes.fr/hal-00325417
Contributor : Laurent Sauvage <>
Submitted on : Monday, January 26, 2009 - 12:29:37 PM
Last modification on : Tuesday, December 8, 2020 - 10:28:51 AM
Long-term archiving on: : Saturday, November 26, 2016 - 4:34:24 AM

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  • HAL Id : hal-00325417, version 3

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Laurent Sauvage, Sylvain Guilley, Jean-Luc Danger, Yves Mathieu, Maxime Nassar. Successful Attack on an FPGA-based WDDL DES Cryptoprocessor Without Place and Route Constraints.. Design, Automation & Test in Europe Conference & Exhibition, 2009. DATE '09., Apr 2009, NICE, France. pp.640-645. ⟨hal-00325417v3⟩

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