Titlebook: Selected Areas in Cryptography; 15th Annual Internat Roberto Maria Avanzi,Liam Keliher,Francesco Sica Conference proceedings 2009 Springer-

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Mortar

Public Verifiability from Pairings in Secret Sharing Schemesecrets and prove that out scheme achieves it under the Decisional Bilinear Square (DBS) Assumption that is a natural variant of the Decisional Bilinear Diffie Hellman Assumption. Moreover, our scheme tolerates active and adaptive adversaries.

Arthr-

Building Secure Block Ciphers on Generic Attacks Assumptionsymmetric primitives, as for example . [3] and . [4], designed using information-theoretic results, are only proved to resist a limited (though significant) range of attacks. Our construction strategy leads to a large expanded key size, though still usable in practice (around 1 MB).

characteristic

Lifting and Elliptic Curve Discrete Logarithms reasons for failing to work. In this article I survey the four ways of lifting the ECDLP, explain their similarities and their differences, and describe the distinct roadblocks that arise in each case.

反叛者

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欢笑

Preimage Attacks on 3-Pass HAVAL and Step-Reduced MD5at invert up to 47 steps (out of 64) within 2. trials instead of 2.. Although our attacks are not practical, they show that the security margin of 3-pass HAVAL and step-reduced MD5 with respect to preimage attacks is not as high as expected.

Dna262

Faster Halvings in Genus 2urves (from a cryptographic perspective), as well as all other curves whose group order is not divisible by 4. Each type of curve is characterized by the degree and factorization form of the polynomial .(.) in the curve equation. For each of these curves, we provide explicit halving formulæ for all

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