Get Security and Cryptography for Networks: 10th International PDF

By Vassilis Zikas, Roberto De Prisco

ISBN-10: 3319446177

ISBN-13: 9783319446172

ISBN-10: 3319446185

ISBN-13: 9783319446189

This booklet constitutes the lawsuits of the tenth overseas convention on safety and Cryptography, SCN 2016, held in Amalfi, Italy, in August/September 2016.

The 30 papers provided during this quantity have been rigorously reviewed and chosen from sixty seven submissions. they're geared up in topical sections on encryption; reminiscence security; multi-party computation; zero-knowledge proofs; effective protocols; outsourcing computation; electronic signatures; cryptanalysis; two-party computation; mystery sharing; and obfuscation.

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Extra info for Security and Cryptography for Networks: 10th International Conference, SCN 2016, Amalfi, Italy, August 31 – September 2, 2016, Proceedings

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LNCS, vol. 6110, pp. 62–91. Springer, Heidelberg (2010) 20. : New techniques for dual system encryption and fully secure HIBE with short ciphertexts. In: IACR Cryptology ePrint Archive, 2009:482 (2009) 21. : New proof methods for attribute-based encryption: achieving full security through selective techniques. , Canetti, R. ) CRYPTO 2012. LNCS, vol. 7417, pp. 180–198. Springer, Heidelberg (2012) 22. : Hierarchical predicate encryption for inner-products. In: Matsui, M. ) ASIACRYPT 2009. LNCS, vol.

Otherwise, A3 = e(C8 , Kmx )/e(Emy , D7 ) = e(g1 , g2 )yw r1 t(mx Tagk −my Tagc ) . 1/(mx Tagk −my Tagc ) Therefore, M = C · A2 /(A1 · A3 ). Correctness. Calculating A1 /A2 is trivial and can be found in [29]. We only point out that A1 /A2 = e(g1 , g2 )αa1 ·bs2 e(g1 , w2 )−r1 t . For mx and my such that mx kE(x, h) = my cE(y, h), the correctness of A3 is calculated as follows kE(x,h) A3 = = Tag e(g1t , (g2 w2 k )r1 ·mx ) e(C8 , Kmx ) = cE(y,h) Tagc t·my e(Emy , D7 ) e((g1 w1 ) , g2r1 ) e(g1 , g2 )r1 ·t·mx kE(x,h) e(g1 , w2 )r1 ·t·mx Tagk e(g1 , g2 )r1 ·t·my ·cE(y,h) e(g1 , w2 )r1 ·t·my ·Tagc = e(g1 , w2 )r1 t·(mx Tagk −my Tagc ) .

Since all information provided to the attacker is independent of RF (n + 1), we use the left over hash lemma to argue that the mask on the message is uniformly distributed and hence statistically hides the message from the attacker. Related Work. The inner product functionality was first considered by Katz et al. , ABE schemes in the private index setting). Their construction [22] initiated a large body of work [2,24,30– 34,36] which considered hierarchical extensions [30,33], additional properties in the secret-key setting [36] and adaptively secure realizations [24,31–34].

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Security and Cryptography for Networks: 10th International Conference, SCN 2016, Amalfi, Italy, August 31 – September 2, 2016, Proceedings by Vassilis Zikas, Roberto De Prisco


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