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7th USENIX Security Symposium, San Antonio, Texas
Secure Videoconferencing
Peter Honeyman, Andy Adamson, Kevin Coffman, Janani Janakiraman, Rob Jerdonek, and Jim Rees,
University of Michigan, Ann Arbor
Abstract
At the Center for Information Technology Integration,
we are experimenting with algorithms and protocols for
building secure applications. In our security testbed,
we have modified VIC, an off-the-shelf videoconferencing
application, to support GSS, a generic security
interface. We then layered these interfaces onto a
smartcard-based key distribution algorithm and a fast
cipher. Because these components are accompanied by
rigorous mathematical proofs of security and are
accessed through narrowly-defined interfaces, we have
confidence in the strength of the system's security.
we have built a security testbed that supports prototyping
and experimenting with secure distributed applications
by providing interfaces to secure communications
facilities. The testbed is rich in protocols, ciphers, and
other middleware for secure computing; provides for
rapid prototyping of secure applications by supporting
standards-based interfaces; and allows extensive and
flexible performance measurement.
In this paper, we describe a characteristic prototyping
activity in the CITI testbed: a secure videoconferencing
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