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SP
2002
IEEE
141views Security Privacy» more  SP 2002»
15 years 3 months ago
Collaborative Filtering with Privacy
Server-based collaborative filtering systems have been very successful in e-commerce and in direct recommendation applications. In future, they have many potential applications in...
John F. Canny
EUROCRYPT
2008
Springer
15 years 5 months ago
The Twin Diffie-Hellman Problem and Applications
ded abstract of this paper appears in Advances in Cryptology -- EUROCRYPT '08, Lecture Notes in Computer Science Vol. 4965, N. Smart ed., Springer-Verlag, 2008. This is the fu...
David Cash, Eike Kiltz, Victor Shoup
PKC
2007
Springer
129views Cryptology» more  PKC 2007»
15 years 10 months ago
Two-Tier Signatures, Strongly Unforgeable Signatures, and Fiat-Shamir Without Random Oracles
We provide a positive result about the Fiat-Shamir (FS) transform in the standard model, showing how to use it to convert threemove identification protocols into two-tier signatur...
Mihir Bellare, Sarah Shoup
SOCA
2007
IEEE
15 years 10 months ago
Negotiating Agreements Using Policies in Ubiquitous Computing Scenarios
The emerging ubiquitous computing vision is characterized by decentralized and ad hoc interoperation among devices and networks for access to services. Interacting devices or grou...
Venkatraman Ramakrishna, Kevin Eustice, Peter L. R...
IACR
2011
94views more  IACR 2011»
14 years 3 months ago
After-the-Fact Leakage in Public-Key Encryption
What does it mean for an encryption scheme to be leakage-resilient? Prior formulations require that the scheme remains semantically secure even in the presence of leakage, but onl...
Shai Halevi, Huijia Lin