2979 search results - page 545 / 596 » Modelling secure multiagent systems |
AINA
2007
IEEE
15 years 6 months ago
2007
IEEE
In hierarchical distributed systems, shared data access can be controlled by assigning user groups single cryptographic keys that allow high level users derive low level keys, but...
PKC
2007
Springer
15 years 6 months ago
2007
Springer
We present the first identity-based traitor tracing scheme. The scheme is shown to be secure in the standard model, assuming the bilinear decision Diffie-Hellman (DBDH) is hard in...
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QEST
2006
IEEE
15 years 5 months ago
2006
IEEE
As an execution platform, the Java Virtual Machine (JVM) provides many benefits in terms of portability and security. However, this advantage turns into an obstacle when it comes...
DRM
2005
Springer
15 years 5 months ago
2005
Springer
In this paper, we describe a novel statistical audio watermarking scheme. Under the control of the masking thresholds, watermark is embedded adaptively and transparently in the pe...
FOSSACS
2005
Springer
15 years 5 months ago
2005
Springer
Abstract. An extension of the λ-calculus is proposed, to study historybased access control. It allows for security policies with a possibly nested, local scope. We define a type ...