Read e-book online Advances in Cryptology - EUROCRYPT 2010: 29th Annual PDF

By Henri Gilbert

ISBN-10: 3642131891

ISBN-13: 9783642131899

This publication constitutes the refereed complaints of the twenty ninth Annual foreign convention at the conception and functions of Cryptographic recommendations, EUROCRYPT 2010, hung on the French Riviera, in May/June 2010. The 33 revised complete papers awarded including 1 invited lecture have been conscientiously reviewed and chosen from 188 submissions. The papers tackle all present foundational, theoretical and examine points of cryptology, cryptography, and cryptanalysis in addition to complex functions. The papers are prepared in topical sections on cryptosystems; obfuscation and facet channel safeguard; 2-party protocols; cryptanalysis; computerized instruments and formal tools; versions and proofs; multiparty protocols; hash and MAC; and foundational primitives.

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Additional info for Advances in Cryptology - EUROCRYPT 2010: 29th Annual International Conference on the Theory and Applications of Cryptographic Techniques, French Riviera, ... Computer Science / Security and Cryptology)

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A sieve algorithm for the shortest lattice vector problem. In: STOC, pp. : Simultaneous hardcore bits and cryptography against memory attacks. In: Reingold, O. ) TCC 2009. LNCS, vol. 5444, pp. 474–495. : Generating shorter bases for hard random lattices. In: STACS, pp. : Fast cryptographic primitives and circular-secure encryption based on hard learning problems. In: Halevi, S. ) Advances in Cryptology - CRYPTO 2009. LNCS, vol. 5677, pp. 595–618. : Cryptographic primitives based on hard learning problems.

With λ always denoting the security parameter. ). All logarithms in the text are base-2 unless stated otherwise. For a real number z, we denote by z , z , z the rounding of a up, down, or to the nearest integer. Namely, these are the unique integers in the half open intervals [z, z + 1), (z − 1, z], and (z − 12 , z + 12 ], respectively. For a real number z and an integer p, we use qp (z) and rp (z) to denote def the quotient and remainder of z with respect to p, namely qp (z) = z/p and def rp (z) = z − qp (z) · p.

Choose at random integers ui ∈ Z ∩ [0, 2κ+1 ), i = 1, . . , Θ, subject to the condition that (mod 2κ+1 ). Set yi = ui /2κ and y = i∈S ui = xp {y1 , . . , yΘ }. Hence each yi is a positive number smaller than two, with κ bits of precision after the binary point. Also, [ i∈S yi ]2 = (1/p) − Δp for some |Δp | < 2−κ . Output the secret key sk = s and public key pk = (pk∗ , y). Encrypt and Evaluate. , an integer). Then for i ∈ {1, . . , Θ}, set zi ← [c∗ · yi ]2 , keeping only n = log θ + 3 bits of precision after the binary point for each zi .

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Advances in Cryptology - EUROCRYPT 2010: 29th Annual International Conference on the Theory and Applications of Cryptographic Techniques, French Riviera, ... Computer Science / Security and Cryptology) by Henri Gilbert


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