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ASIACRYPT
2010
Springer
14 years 10 months ago
2010
Springer
We study security amplification for weak bit-commitment schemes and improve the efficiency of (black-box) transformations in both the information-theoretic and computational setti...
ASIACRYPT
2010
Springer
14 years 10 months ago
2010
Springer
sion of an extended abstract published in Proceedings of Asiacrypt 2010, Springer-Verlag, 2010. Available from the IACR Cryptology ePrint Archive as Report 2010/474. Beginning wit...
ASIACRYPT
2010
Springer
14 years 10 months ago
2010
Springer
Abstract. We describe two improvements to Gentry's fully homomorphic scheme based on ideal lattices and its analysis: we provide a more aggressive analysis of one of the hardn...
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ASIACRYPT
2010
Springer
14 years 10 months ago
2010
Springer
We show that probabilistically checkable proofs can be used to shorten non-interactive zero-knowledge proofs. We obtain publicly verifiable non-interactive zero-knowledge proofs fo...
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ASIACRYPT
2010
Springer
14 years 10 months ago
2010
Springer
Group signature schemes allow users to sign messages on behalf of a group while (1) maintaining anonymity (within that group) with respect to an observer, yet (2) ensuring traceab...