New PDF release: Advances in Cryptology – EUROCRYPT 2011: 30th Annual

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By Ronald Cramer (auth.), Kenneth G. Paterson (eds.)

ISBN-10: 3642204643

ISBN-13: 9783642204647

ISBN-10: 3642204651

ISBN-13: 9783642204654

This publication constitutes the refereed complaints of the thirtieth Annual overseas convention at the thought and purposes of Cryptographic thoughts, EUROCRYPT 2011, held in Tallinn, Estonia, in may perhaps 2011.
The 31 papers, offered including 2 invited talks, have been rigorously reviewed and chosen from 167 submissions. The papers are geared up in topical sections on lattice-base cryptography, implementation and facet channels, homomorphic cryptography, signature schemes, information-theoretic cryptography, symmetric key cryptography, assaults and algorithms, safe computation, composability, key established message safeguard, and public key encryption.

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Download e-book for iPad: Advances in Cryptology – EUROCRYPT 2011: 30th Annual by Ronald Cramer (auth.), Kenneth G. Paterson (eds.)

This booklet constitutes the refereed court cases of the thirtieth Annual foreign convention at the thought and functions of Cryptographic concepts, EUROCRYPT 2011, held in Tallinn, Estonia, in might 2011. The 31 papers, offered including 2 invited talks, have been rigorously reviewed and chosen from 167 submissions.

Extra info for Advances in Cryptology – EUROCRYPT 2011: 30th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Tallinn, Estonia, May 15-19, 2011. Proceedings

Example text

This is because Rq contains n proper ideals of size q n−1 = |Rq |/q, and the probability ≈ n/q m that all of the ai ’s fall into one such ideal (which causes ti ai to also be trapped in the proper ideal) is non-negligible for small m. To circumvent this problem, we restrict the ai ’s to be uniform in Rq× , and we choose the ti ’s from a discrete Gaussian distribution. We show a regularity bound exponentially small in n even for m = O(1), by using an argument similar to that used in [11, Se. 1] for unstructured generalized knapsacks, based on the smoothing parameter of the underlying lattices.

Noise-tolerant learning, the parity problem, and the statistical query model. In: 32nd ACM STOC, pp. 435–440. : Noise-tolerant learning, the parity problem, and the statistical query model. J. : Efficient selective-ID secure identity-based encryption without random oracles. , Camenisch, J. ) EUROCRYPT 2004. LNCS, vol. 3027, pp. 223–238. : Lattice mixing and vanishing trapdoors: A framework for fully secure short signatures and more. , Pointcheval, D. ) PKC 2010. LNCS, vol. 6056, pp. 499–517. : HB++ : a lightweight authentication protocol secure against some attacks.

Key generation. Algorithm KG(1λ ) samples s ← Z22 , an (almost) pairwise μ ν independent hash function h : M × Z2 → Z2 and a pairwise independent permutation π over Z2×n+n+ν . It returns K = (s, h, π) as the secret key. – Tagging. Given secret key K = (s, h, π) and message m ∈ M, algorithm TAG proceeds as follows. $ $ $ 1. R ← Z2×n , b ← Zν2 , e ← Bernτ 2 2. v := C(h(m, b)) ∈ Z2 3. Return φ := π(R, RT · s↓v ⊕ e, b) – Verification. On input a secret-key K = (s, h, π), message m ∈ M and tag φ, algorithm VRFY proceeds as follows.

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Advances in Cryptology – EUROCRYPT 2011: 30th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Tallinn, Estonia, May 15-19, 2011. Proceedings by Ronald Cramer (auth.), Kenneth G. Paterson (eds.)


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