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ISW
2004
Springer
13 years 10 months ago
How to Break and Repair a Universally Composable Signature Functionality
Abstract. Canetti and Rabin recently proposed a universally composable ideal functionality FSIG for digital signatures. We show that this functionality cannot be securely realized ...
Michael Backes, Dennis Hofheinz
INDOCRYPT
2005
Springer
13 years 10 months ago
A Universally Composable Scheme for Electronic Cash
We propose a scheme for electronic cash based on symmetric primitives. The scheme is secure in the framework for universal composability assuming the existence of a symmetric CCA2-...
Mårten Trolin
IACR
2011
196views more  IACR 2011»
12 years 4 months ago
Multiparty Computation with Low Communication, Computation and Interaction via Threshold FHE
Fully homomorphic encryption (FHE) provides a simple template for secure computation between two parties (Alice and Bob) where: (I) Alice encrypts her input under her key, (II) Bo...
Gilad Asharov, Abhishek Jain, Daniel Wichs
PKC
2009
Springer
129views Cryptology» more  PKC 2009»
13 years 9 months ago
Zero-Knowledge Proofs with Witness Elimination
Abstract. Zero-knowledge proofs with witness elimination are protocols that enable a prover to demonstrate knowledge of a witness to the verifier that accepts the interaction prov...
Aggelos Kiayias, Hong-Sheng Zhou