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116
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SP
2010
IEEE
206views Security Privacy» more  SP 2010»
15 years 7 months ago
Revocation Systems with Very Small Private Keys
In this work, we design a method for creating public key broadcast encryption systems. Our main technical innovation is based on a new “two equation” technique for revoking us...
Allison B. Lewko, Amit Sahai, Brent Waters
163
Voted
ISPEC
2011
Springer
14 years 6 months ago
Traitor Tracing against Public Collaboration
Abstract. Broadcast encryption provides a convenient method to distribute digital content to subscribers over an insecure broadcast channel. Traitor tracing is needed because some ...
Xingwen Zhao, Fangguo Zhang
122
Voted
SACMAT
2004
ACM
15 years 9 months ago
Role-based cascaded delegation
We propose role-based cascaded delegation, a model for delegation of authority in decentralized trust management systems. We show that role-based cascaded delegation combines the ...
Roberto Tamassia, Danfeng Yao, William H. Winsboro...