Sciweavers

3821 search results - page 350 / 765
» A Security Model for Aglets
Sort
View
ESORICS
2003
Springer
15 years 12 months ago
Symmetric Authentication within a Simulatable Cryptographic Library
Abstract. Proofs of security protocols typically employ simple abstractions of cryptographic operations, so that large parts of such proofs pendent of cryptographic details. The ty...
Michael Backes, Birgit Pfitzmann, Michael Waidner
EUROCRYPT
2003
Springer
15 years 12 months ago
On the Limitations of Universally Composable Two-Party Computation without Set-up Assumptions
The recently proposed universally composable (UC) security framework for analyzing security of cryptographic protocols provides very strong security guarantees. In particular, a p...
Ran Canetti, Eyal Kushilevitz, Yehuda Lindell
CCS
2008
ACM
15 years 8 months ago
Multi-use unidirectional proxy re-signatures
In 1998, Blaze, Bleumer, and Strauss suggested a cryptographic primitive termed proxy re-signature in which a proxy transforms a signature computed under Alice's secret key in...
Benoît Libert, Damien Vergnaud
PERCOM
2006
ACM
16 years 6 months ago
Proximity Based Access Control in Smart-Emergency Departments
In this paper, we propose a Proximity Based automated Access Control (PBAC) model for smart-ED environments which improves the existing ED work-flow by automating mundane administ...
Sandeep K. S. Gupta, Tridib Mukherjee, Krishna K. ...
PET
2009
Springer
16 years 1 months ago
Vida: How to Use Bayesian Inference to De-anonymize Persistent Communications
We present the Vida family of abstractions of anonymous communication systems, model them probabilistically and apply Bayesian inference to extract patterns of communications and u...
George Danezis, Carmela Troncoso