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» Efficient Two-Party Secure Computation on Committed Inputs
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JOC
2010
82views more  JOC 2010»
13 years 2 months ago
A Verifiable Secret Shuffle of Homomorphic Encryptions
Abstract. A shuffle consists of a permutation and re-encryption of a set of input ciphertexts. One application of shuffles is to build mix-nets. We suggest an honest verifier zero-...
Jens Groth
IEEECIT
2010
IEEE
13 years 5 months ago
Efficient Sharing of Secure Cloud Storage Services
Suppose Bob, the boss in Company A, pays a secure cloud storage service and authorizes all the employees in that company to share such a service. There exists a user hierarchy: Bob...
Qin Liu, Guojun Wang, Jie Wu
JOC
2010
123views more  JOC 2010»
13 years 2 months ago
Security Against Covert Adversaries: Efficient Protocols for Realistic Adversaries
Abstract. In the setting of secure multiparty computation, a set of mutually distrustful parties wish to securely compute some joint function of their private inputs. The computati...
Yonatan Aumann, Yehuda Lindell
JUCS
2008
156views more  JUCS 2008»
13 years 7 months ago
Efficient k-out-of-n Oblivious Transfer Schemes
Abstract: Oblivious transfer is an important cryptographic protocol in various security applications. For example, in on-line transactions, a k-out-of-n oblivious transfer scheme a...
Cheng-Kang Chu, Wen-Guey Tzeng
TCC
2009
Springer
130views Cryptology» more  TCC 2009»
14 years 8 months ago
Adaptive Zero-Knowledge Proofs and Adaptively Secure Oblivious Transfer
In the setting of secure computation, a set of parties wish to securely compute some function of their inputs, in the presence of an adversary. The adversary in question may be st...
Yehuda Lindell, Hila Zarosim