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Lecture Notes in Computer Science
Masking is a well-known countermeasure to protect block cipher implementations against side-channel attacks. The principle is to randomly split every sensitive intermediate variable occurring in the computation into d + 1 shares, where d is called the masking order and plays the role of a security parameter. Although widely used in practice, masking is often considered as an empirical solution and its effectiveness is rarely proved. In this paper, we provide a formal security proof for maskeddoi:10.1007/978-3-642-38348-9_9 fatcat:tkypskwmyzesxfp62xpw2dtf2q