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» Managing Privacy in LBAC Systems
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SP
2007
IEEE
137views Security Privacy» more  SP 2007»
14 years 1 months ago
A Cryptographic Decentralized Label Model
Information-flow security policies are an appealing way of specifying confidentiality and integrity policies in information systems. Most previous work on language-based securit...
Jeffrey A. Vaughan, Steve Zdancewic
CCS
2007
ACM
14 years 1 months ago
Alpaca: extensible authorization for distributed services
Traditional Public Key Infrastructures (PKI) have not lived up to their promise because there are too many ways to define PKIs, too many cryptographic primitives to build them wi...
Chris Lesniewski-Laas, Bryan Ford, Jacob Strauss, ...
CCS
2007
ACM
14 years 1 months ago
A simple and expressive semantic framework for policy composition in access control
In defining large, complex access control policies, one would like to compose sub-policies, perhaps authored by different organizations, into a single global policy. Existing po...
Glenn Bruns, Daniel S. Dantas, Michael Huth
HIKM
2006
ACM
14 years 1 months ago
A flexible approach for electronic medical records exchange
Many methodologies have been proposed in the last decade for integration and exchange of medical data. However, little progress has occurred due to the following reasons. First, p...
Vagelis Hristidis, Peter J. Clarke, Nagarajan Prab...
CCS
2005
ACM
14 years 28 days ago
Preventing attribute information leakage in automated trust negotiation
Automated trust negotiation is an approach which establishes trust between strangers through the bilateral, iterative disclosure of digital credentials. Sensitive credentials are ...
Keith Irwin, Ting Yu