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» Providing security with insecure systems
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SP
2007
IEEE
183views Security Privacy» more  SP 2007»
16 years 24 days ago
Ciphertext-Policy Attribute-Based Encryption
In several distributed systems a user should only be able to access data if a user posses a certain set of credentials or attributes. Currently, the only method for enforcing such...
John Bethencourt, Amit Sahai, Brent Waters
ATAL
2005
Springer
16 years 2 days ago
Access control with safe role assignment for mobile agents
Mobile agent systems provide new perspectives for distributed e-commerce applications. Sea-of-Data (SoD) applications are those that need to process huge quantities of distributed...
Guillermo Navarro, Joan Borrell, Jose A. Ortega-Ru...
ESORICS
2008
Springer
15 years 8 months ago
A Multi-Path Approach for k-Anonymity in Mobile Hybrid Networks
The ubiquitous proliferation of mobile devices has given rise to novel user-centric application and services. In current mobile systems, users gain access to remote service provide...
Claudio Agostino Ardagna, Angelos Stavrou, Sushil ...
SACMAT
2006
ACM
16 years 15 days ago
The secondary and approximate authorization model and its application to Bell-LaPadula policies
We introduce the concept, model, and policy-specific algorithms for inferring new access control decisions from previous ones. Our secondary and approximate authorization model (...
Jason Crampton, Wing Leung, Konstantin Beznosov
SP
2007
IEEE
157views Security Privacy» more  SP 2007»
16 years 24 days ago
Network Flow Watermarking Attack on Low-Latency Anonymous Communication Systems
Many proposed low-latency anonymous communication systems have used various flow transformations such as traffic padding, adding cover traffic (or bogus packets), packet droppi...
Xinyuan Wang, Shiping Chen, Sushil Jajodia