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» A Security Model for Aglets
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ESORICS
2007
Springer
15 years 4 months ago
Satisfiability and Resiliency in Workflow Systems
We propose the role-and-relation-based access control (R2 BAC) model for workflow systems. In R2 BAC, in addition to a user's role memberships, the user's relationships w...
Qihua Wang, Ninghui Li
EUROCRYPT
2004
Springer
15 years 4 months ago
Anonymous Identification in Ad Hoc Groups
We introduce Ad Hoc Anonymous Identification schemes, a new multi-user cryptographic primitive that allows participants from a user population to form ad hoc groups, and then prove...
Yevgeniy Dodis, Aggelos Kiayias, Antonio Nicolosi,...
113
Voted
CORR
2008
Springer
73views Education» more  CORR 2008»
15 years 1 months ago
Secrecy Capacity of a Class of Broadcast Channels with an Eavesdropper
We study the security of communication between a single transmitter and multiple receivers in a broadcast channel in the presence of an eavesdropper. Characterizing the secrecy ca...
Ersen Ekrem, Sennur Ulukus
95
Voted
ISI
2006
Springer
15 years 1 months ago
Entity Workspace: An Evidence File That Aids Memory, Inference, and Reading
An intelligence analyst often needs to keep track of more facts than can be held in human memory. As a result, analysts use a notebook or evidence file to record facts learned so f...
Eric A. Bier, Edward W. Ishak, Ed Chi
CN
2004
122views more  CN 2004»
15 years 26 days ago
Group rekeying with limited unicast recovery
In secure group communications, a key server can deliver a "grouporiented" rekey message [22] to a large number of users efficiently using multicast. For reliable delive...
X. Brian Zhang, Simon S. Lam, Dong-Young Lee