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Side channel analysis attacks have been successfully used to attack embedded systems and cryptographic hardware systems. These attacks have been categorized into different types of attacks yielding to a specific countermeasure for each type based on the nature of the attack. As a result, a significant overhead in terms of performance and resources is introduced by the countermeasures applied to the cryptosystems. Having a unified scheme to counteract different attacks can be challenging. In this paper, we introduce a unified gate-level countermeasure scheme that protects against both power analysis attacks and fault attacks simultaneously. In this paper, we show and study how such a unified countermeasure can be applied to todays cryptographic RFIDs.
Date of Conference: 11-14 Dec. 2011