Cryptographic Hardware and Embedded Systems - CHES 2003: 5th by Frank Stajano (auth.), Colin D. Walter, Çetin K. Koç,

By Frank Stajano (auth.), Colin D. Walter, Çetin K. Koç, Christof Paar (eds.)

This ebook constitutes the refereed lawsuits of the fifth overseas Workshop on Cryptographic and Embedded structures, CHES 2003, held in Cologne, Germany in September 2003.

The 32 revised complete papers provided have been conscientiously reviewed and chosen from 111 submissions. The papers are geared up in topical sections on facet channel assault method, factorization, symmetric cypher assaults and countermeasures, safe common sense, random quantity turbines, effective multiplication, effective arithmetics, assaults on uneven cryptosystems, implementation of symmetric cyphers, hyperelliptic curve cryptography, countermeasures to part channel leakage, and defense of criteria.

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Extra info for Cryptographic Hardware and Embedded Systems - CHES 2003: 5th International Workshop, Cologne, Germany, September 8–10, 2003. Proceedings

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7. The last part in Fig. 7 corresponds to reading out the result from the pipeline.

KN ), where Cjk = Pr[Kj = ik ], s0 ∈ S is the initial state. 5. Our final goal is the inference problem for IDHMM’s: we want to infer the input key K rather than the sequences of hidden states Q. We define the Key Inference Problem for Input Driven Hidden Markov Model as follows: Key Inference Problem for Input Driven Hidden Markov Models Let H be an Input Driven Hidden Markov Model. Generate a N bit random input key k and L executions q = (q 1 , q 2 , . . , q L ) of H on k. Let y = (y 1 , y 2 , .

Finally we provide strong evidence that implementations of elliptic curve cryptosystems without specific countermeasures are indeed vulnerable to simple power-analysis attacks. Keywords: FPGA, Power Analysis, Elliptic Curve Cryptosystems 1 Introduction Since their publication in 1998, power-analysis attacks have attracted significant attention within the cryptographic community. So far, they have been successfully applied to different kinds of (unprotected) implementations of symmetric ¨ is funded by a research grant of the Katholieke Universiteit LeuSıddıka Berna Ors ven, Belgium.

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