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» Unifying Zero-Knowledge Proofs of Knowledge
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PODC
2011
ACM
12 years 10 months ago
Securing social networks
We present a cryptographic framework to achieve access control, privacy of social relations, secrecy of resources, and anonymity of users in social networks. The main idea is to u...
Michael Backes, Matteo Maffei, Kim Pecina
IACR
2011
88views more  IACR 2011»
12 years 7 months ago
Targeted Malleability: Homomorphic Encryption for Restricted Computations
We put forward the notion of targeted malleability: given a homomorphic encryption scheme, in various scenarios we would like to restrict the homomorphic computations one can perf...
Dan Boneh, Gil Segev, Brent Waters
IACR
2011
97views more  IACR 2011»
12 years 7 months ago
Two-Output Secure Computation with Malicious Adversaries
We present a method to compile Yao’s two-player garbled circuit protocol into one that is secure against malicious adversaries that relies on witness indistinguishability. Our ap...
Abhi Shelat, Chih-Hao Shen
ICWS
2009
IEEE
13 years 5 months ago
Identity Attribute-Based Role Provisioning for Human WS-BPEL Processes
The WS-BPEL specification focuses on business processes the activities of which are assumed to be interactions with Web services. However, WS-BPEL processes go beyond the orchestr...
Federica Paci, Rodolfo Ferrini, Elisa Bertino
COMPSAC
2006
IEEE
14 years 1 months ago
Agent-Based Offline Electronic Voting
—Many electronic voting systems, classified mainly as homomorphic cryptography based, mix-net based and blind signature based, appear after the eighties when zero knowledge proof...
Mehmet Tahir Sandikkaya, Bülent Örencik