Information Theoretic Security: 8th International by Anja Lehmann, Stefan Wolf

By Anja Lehmann, Stefan Wolf

This booklet constitutes the completely refereed court cases of the eighth overseas convention on info Theoretic safeguard, ICITS 2015, held in Lugano, Switzerland, in could 2015.

The 17 complete papers offered during this quantity have been conscientiously reviewed and chosen from fifty seven submissions. The papers disguise numerous themes on the intersection of cryptography, info concept, and quantum physics.

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Extra info for Information Theoretic Security: 8th International Conference, ICITS 2015, Lugano, Switzerland, May 2-5, 2015. Proceedings

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11s + 15 23pn Exp. 24pn + 4p + k +28pn Pair. /(p − 3)! + 4 4n + 11(p − 1)n 12pn + 1 +k(p − 1) Exp. Bilinear Groups. Let G be a bilinear group generator that takes security parameter 1λ as input and outputs a description of bilinear groups Λ := (p, G, H, GT , e, g, gˆ) where G, H and GT are groups of prime order p, g and gˆ are generators in G and H, respectively, e is an efficient and non-degenerate map e : G × H → GT . If G = H, then we call it the symmetric setting. If G = H and there is no efficient mapping between the groups, then we call it the asymmetric setting.

In rare cases, round optimality can co-exist with bit-optimality – PSMT is indeed one such case! 2). We also ensure that an edge is used to send at most one field element (or in general, bits equivalent to the size of the message). At any rate, each of these edges is critical, in the sense that, if deleted, PSMT is rendered impossible – hence they need to be used at least once. Thus, we arrive at a surprising protocol for secure communication which is round optimal and at the same time has linear communication complexity.

5157, pp. 572–591. : Efficient two-party secure computation on committed inputs. In: Naor, M. ) EUROCRYPT 2007. LNCS, vol. 4515, pp. 97–114. : Founding crytpography on oblivious transfer. In: Proceedings of the Twentieth Annual ACM Symposium on Theory of Computing, pp. 20–31. : Efficient committed oblivious transfer of bit strings. , Peralta, R. ) ISC 2007. LNCS, vol. 4779, pp. 130–144. : Fast cut-and-choose based protocols for malicious and covert adversaries. A. ) CRYPTO 2013, Part II. LNCS, vol.

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