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» Evolving Messaging Systems for Secure Role Based Messaging
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PET
2007
Springer
14 years 1 months ago
Attacking Unlinkability: The Importance of Context
A system that protects the unlinkability of certain data items (e. g. identifiers of communication partners, messages, pseudonyms, transactions, votes) does not leak information t...
Matthias Franz, Bernd Meyer, Andreas Pashalidis
CCS
2004
ACM
13 years 11 months ago
Group signatures with verifier-local revocation
Group signatures have recently become important for enabling privacy-preserving attestation in projects such as Microsoft's ngscb effort (formerly Palladium). Revocation is c...
Dan Boneh, Hovav Shacham
IEEEARES
2007
IEEE
14 years 2 months ago
Context-Dependent Access Control for Contextual Information
Abstract— Following Mark Weiser’s vision of ubiquitous computing and calm technology, computer systems should run in the background, preferably without the user noticing it at ...
Christin Groba, Stephan Grob, Thomas Springer
SCN
2008
Springer
147views Communications» more  SCN 2008»
13 years 7 months ago
Privacy-preserving secure relative localization in vehicular networks
Relative location information helps build vehicle topology maps. Such maps provide location information of nearby vehicles to drivers. In building a vehicle topology, one must cons...
Lei Tang, Xiaoyan Hong, Phillip G. Bradford
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