Titlebook: Cryptographic Hardware and Embedded Systems - CHES 2007; 9th International Wo Pascal Paillier,Ingrid Verbauwhede Conference proceedings 200

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Organisers, Survivors, Healers, Our contribution considers an adversary with incomplete knowledge at profiling, i.e., the adversary does not know random numbers used for masking. At profiling, the adversary observes a mixture probability density of the side channel leakage. However, the EM algorithm can provide estimates on the u

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Missionaries, Parasites, Mitigators,y masked implementations. In this context a higher order masking scheme has been proposed by Schramm and Paar at CT-RSA 2006. The authors claimed that the scheme is resistant against .-th order DPA for any arbitrary chosen order .. In this paper, we prove that this assertion is false and we exhibit

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Missionaries, Parasites, Mitigators,ly by restarting the oscillators from the same initial conditions and by examining the time evolution of the standard deviation of the oscillating signals. The restart approach is also applied to classical ring oscillators and the results obtained demonstrate that the new oscillators can achieve ord

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Organisers, Survivors, Healers,entally different approach to IP protection on FPGAs based on the use of Physical Unclonable Functions (PUFs). Their work only assumes the existence of a PUF on the FPGAs without actually proposing a PUF construction. In this paper, we propose new protocols for the IP protection problem on FPGAs and

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Nurizal Ismail,Zurina Shafii,Nashr Akbarom mask bit is that the circuit switches between two complementary states with a different power profile. Earlier work has shown that the mask-bit value can be estimated from the power consumption profile, and that masked logic remains susceptible to classic power attacks after only a simple filteri

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Salma Sairally,Najmul Hussein Rassoolg on “bitslice implementation”. The bitslice parallel encryption technique, initially proposed by Biham for speeding-up DES, has been successful on RISC processors with many long registers, but on the other side bitsliced ciphers are not widely used in real applications on PC platforms, because in m

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Wealth Creation and Management in Islamy repeat the same pattern when evaluating a scalar multiplication in an (additively written) abelian group. Furthermore, they are generic and feature the following properties: .As a result, they are particularly well fitted for implementing cryptosystems in constrained devices, in an efficient yet s