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CCS
2010
ACM
16 years 2 months ago
A logic for authorization provenance
In distributed environments, statements from a number of principals, besides the central trusted party, may influence the derivations of authorization decisions. However, existin...
Jinwei Hu, Yan Zhang, Ruixuan Li, Zhengding Lu
IDTRUST
2009
ACM
16 years 2 months ago
A calculus of trust and its application to PKI and identity management
We introduce a formal semantics based calculus of trust that explicitly represents trust and quantifies the risk associated with trust in public key infrastructure (PKI) and iden...
Jingwei Huang, David Nicol
220
Voted
ANSS
2008
IEEE
16 years 1 months ago
SCAR - Scattering, Concealing and Recovering Data within a DHT
This paper describes a secure and reliable method for storing data in a distributed hash table (DHT) leveraging the inherent properties of the DHT to provide a secure storage subs...
Bryan N. Mills, Taieb Znati
COLCOM
2008
IEEE
16 years 1 months ago
Supporting Agile Development of Authorization Rules for SME Applications
Custom SME applications for collaboration and workflow have become affordable when implemented as Web applications employing Agile methodologies. Security engineering is still di...
Steffen Bartsch, Karsten Sohr, Carsten Bormann
188
Voted
ACNS
2008
Springer
88views Cryptology» more  ACNS 2008»
16 years 1 months ago
On the Effectiveness of Internal Patching Against File-Sharing Worms
File-sharing worms have been terrorizing Peer-to-peer (P2P) systems in recent years. Existing defenses relying on users’ individual recoveries or limiting users’ file-sharing ...
Liang Xie, Hui Song, Sencun Zhu