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CCS
2007
ACM
14 years 1 months ago
Hardware-rooted trust for secure key management and transient trust
We propose minimalist new hardware additions to a microprocessor chip that protect cryptographic keys in portable computing devices which are used in the field but owned by a cen...
Jeffrey S. Dwoskin, Ruby B. Lee
CCS
2008
ACM
13 years 9 months ago
Stale-safe security properties for group-based secure information sharing
Attribute staleness arises due to the physical distribution of authorization information, decision and enforcement points. This is a fundamental problem in virtually any secure di...
Ram Krishnan, Jianwei Niu, Ravi S. Sandhu, William...
ESORICS
2009
Springer
14 years 2 months ago
Private Information Retrieval Techniques for Enabling Location Privacy in Location-Based Services
Abstract. The ubiquity of smartphones and other location-aware handheld devices has resulted in a dramatic increase in popularity of locationbased services (LBS) tailored to user l...
Ali Khoshgozaran, Cyrus Shahabi
CSE
2009
IEEE
14 years 2 months ago
A Hybrid Enforcement Model for Group-centric Secure Information Sharing
—Group-Centric Secure Information Sharing (g-SIS) is motivated by the need to dynamically share information amongst a set of authorized users for a specific purpose. Authorized ...
Ram Krishnan, Ravi S. Sandhu
JCM
2008
73views more  JCM 2008»
13 years 7 months ago
Secure and Distributed P2P Reputation Management
The open, sharing and anonymous nature of peer-to-peer (P2P) network has offered opportunities and threats for the development of distributed computing technology. One feasible way...
Jianli Hu, Quanyuan Wu, Bin Zhou