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On the Security of a Unified Countermeasure

Marc Jóye

Open publisher page 10 citations

Abstract

Implementation attacks are a major threat for cryptographic applications. Recently, Baek and Vasyltsov (ISPEC 2007) proposed a unified countermeasure for protecting elliptic curve implementations against a variety of implementation attacks, including differential power attacks and fault attacks. This paper studies the security of this countermeasure. In particular, it shows that the fault coverage is less than what was anticipated. Further security weaknesses are also pointed out.

About this research paper

What this paper is about

Implementation attacks are a major threat for cryptographic applications. Recently, Baek and Vasyltsov (ISPEC 2007) proposed a unified countermeasure for protecting elliptic curve implementations against a variety of implementation attacks, including differential power attacks and fault attacks. This paper studies the security of this countermeasure. In particular, it shows that the fault coverage is less than what was anticipated. Further security weaknesses are also pointed out.

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OpenAlex reports 10 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Implementation attacks are a major threat for cryptographic applications. Recently, Baek and Vasyltsov (ISPEC 2007) proposed a unified countermeasure for protecting elliptic curve implementations against a variety of implementation attacks, including differential power attacks and fault attacks. This paper studies the security of this countermeasure. In particular, it shows that the fault coverage is less than what was anticipated. Further security weaknesses are also pointed out.

Key concepts: Countermeasure, Computer science, Computer security, Cryptography, Implementation, Power analysis, Side channel attack, Fault (geology)

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