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175
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NSPW
1998
ACM
15 years 7 months ago
Meta Objects for Access Control: a Formal Model for Role-Based Principals
Object-based programming is becoming more and more popular and is currently conquering the world of distributed programming models. In object-based systems access control is often...
Thomas Riechmann, Franz J. Hauck
131
Voted
NSDI
2008
15 years 5 months ago
Ostra: Leveraging Trust to Thwart Unwanted Communication
Online communication media such as email, instant messaging, bulletin boards, voice-over-IP, and social networking sites allow any sender to reach potentially millions of users at...
Alan Mislove, Ansley Post, Peter Druschel, P. Kris...
134
Voted
CCS
2008
ACM
15 years 5 months ago
Online subscriptions with anonymous access
Online privacy is an increasingly important problem, as many services are now offered in a digital form. Privacy (or the lack thereof) is of a special concern in subscriptions to ...
Marina Blanton
149
Voted
PKC
2012
Springer
235views Cryptology» more  PKC 2012»
13 years 6 months ago
Improved Security for Linearly Homomorphic Signatures: A Generic Framework
ded abstract of this work will appear in Public Key Cryptography — PKC 2012. This is the full version. We propose a general framework that converts (ordinary) signature schemes ...
David Mandell Freeman
105
Voted
CHI
2008
ACM
16 years 3 months ago
Access control by testing for shared knowledge
Controlling the privacy of online content is difficult and often confusing. We present a social access control where users devise simple questions of shared knowledge instead of c...
Michael Toomim, Xianhang Zhang, James Fogarty, Jam...