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Lecture Notes in Computer Science
Cryptographic algorithms embedded on physical devices are particularly vulnerable to Side Channel Analysis (SCA). The most common countermeasure for block cipher implementations is masking, which randomizes the variables to be protected by combining them with one or several random values. In this paper, we propose an original masking scheme based on Shamir's Secret Sharing scheme  as an alternative to Boolean masking. We detail its implementation for the AES using the same tool than Rivaindoi:10.1007/978-3-642-23951-9_6 fatcat:ydhmtcigqvfgvjw4j3bwhc6mva