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7th USENIX Security Symposium, San Antonio, Texas
Towards Web Security Using PLASMA
Annette Krannig
Fraunhofern-Institute for Computer Graphics IGD
Abstract
The World Wide Web is one of the most significant multimedia applications ever
developed -- and therefore securing the web is one of the most pressing
problems. There exist a number of approaches for securing the World Wide Web
which, however, usually pursue what one might call a low level approach
without being able to give adequate consideration to the specific requirements
of this multimedia (or hypertext) system.
The subject of this paper is the realization of an adequate security system,
which is capable of detecting the different media and structures within
hypertext systems and therefore apply different cryptographic mechanisms to
them; this resulted in the development of the system Plasma
(Platform for Secure Multimedia
Applications).
Plasma is a security platform designed within the frame of the Berkom
RD-programme at the Fraunhofer-IGD in Darmstadt whose prototype was
developed to provide a means for secure multimedia telecommunications. In
order to demonstrate the capabilities of Plasma, it was integrated into a
W3 scenario. The advantages of Plasma when used in the World Wide Web as
well as the architecture created for the integration process are described in
the following section.
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