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CCS
2010
ACM
15 years 11 months ago
Toward practical authorization-dependent user obligation systems
Many authorization system models include some notion of obligation. Little attention has been given to user obligations that depend on and affect authorizations. However, to be u...
Murillo Pontual, Omar Chowdhury, William H. Winsbo...
CANS
2009
Springer
136views Cryptology» more  CANS 2009»
15 years 11 months ago
Verifying Anonymous Credential Systems in Applied Pi Calculus
Abstract. Anonymous credentials are widely used to certify properties of a credential owner or to support the owner to demand valuable services, while hiding the user’s identity ...
Xiangxi Li, Yu Zhang, Yuxin Deng
CCS
2009
ACM
16 years 5 months ago
A conceptual framework for Group-Centric secure information sharing
In this paper, we propose a conceptual framework for developing a family of models for Group-Centric information sharing. The traditional approach to information sharing, characte...
Ram Krishnan, Ravi S. Sandhu, Jianwei Niu, William...
RTCSA
2005
IEEE
15 years 10 months ago
FPGA-Based Content Protection System for Embedded Consumer Electronics
We propose a new architecture for a content protection system that conceals confidential data and algorithms in an FPGA as electrical circuits. This architecture is designed for a...
Hiroyuki Yokoyama, Kenji Toda
DBSEC
2007
128views Database» more  DBSEC 2007»
15 years 6 months ago
gVault: A Gmail Based Cryptographic Network File System
Abstract. In this paper, we present the design of gVault, a cryptographic network file system that utilizes the data storage provided by Gmail’s web-based email service. Such a ...
Ravi Chandra Jammalamadaka, Roberto Gamboni, Shara...