Error Detection for Borrow-Save Adders Dedicated to ECC UnitReport as inadecuate

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1 ERC CEA - EMSE - Équipe de Recherche Commune CEA - EMSE SESAM : Secured Embedded Systems And Microelectronics 2 ARITH - Arithmétique informatique LIRMM - Laboratoire d-Informatique de Robotique et de Microélectronique de Montpellier

Abstract : Differential Fault Analysis DFA is a real threat for elliptic curve cryptosystems. This paper describes an elliptic curve cryptoprocessor unit resistant against fault injection. This resistance is provided by the use of parity preserving logic gates in the operating structure of the ECC unit, which is based on borrow-save adders. The proposed countermeasure provides a high coverage fault detection and induces an acceptable area overhead + 38 %.

Author: Julien Francq - Jean-Baptiste Rigaud - Pascal Manet - Assia Tria - Arnaud Tisserand -



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