USENIX Technical Program - Abstract - Security Symposium 99
Antigone: A Flexible Framework for Secure Group Communication
Patrick McDaniel, Atul Prakash, EECS Department, University of Michigan; and Peter Honeyman, Center for Information Technology Integration, University of Michigan
Many emerging applications on the Internet requiring group
communication have varying security requirements. Significant strides
have been made in achieving strong semantics and security guarantees
within group environments. However, in existing solutions, the scope
of available security policies is often limited. This paper presents
Antigone, a framework that provides a suite of mechanisms from which
flexible application security policies may be implemented. With
Antigone, developers may choose a policy that best addresses their
security and performance requirements. We describe the Antigone's
mechanisms, consisting of a set of micro-protocols, and show how
different security policies can be implemented using those mechanisms.
We also present a performance study illustrating the
security/performance tradeoffs that can be made using Antigone.
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