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ITIIS
2010
14 years 4 months ago
2010
Anonymous hierarchical identity based encryption (HIBE) is an extension of identity based encryption (IBE) that can use an arbitrary string like an e-mail address for a public key...
EUROPKI
2007
Springer
15 years 3 months ago
2007
Springer
The central goal of Public Key Infrastructure (PKI) is to enable trust judgments between distributed users. Although certificates play a central role in making such judgments, a P...
CCS
2006
ACM
15 years 1 months ago
2006
ACM
We introduce a simple primitive called Augmented Broadcast Encryption (ABE) that is sufficient for constructing broadcast encryption, traitor-tracing, and trace-and-revoke systems...
CMS
2003
14 years 11 months ago
2003
Classic security systems use a trust model centered in the authentication procedure, which depends on a naming service. Even when using a Public Key Infrastructure as X.509, such s...
JUCS
2010
14 years 8 months ago
2010
: This paper presents an agent-based system for building and operating agent-based context-aware services in public spaces, including museums. The system provides users with agents...