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HotOS X, Tenth Workshop on Hot Topics in Operating Systems — Abstract

Access Control in a World of Software Diversity

Martin Abadi, University of California, Santa Cruz; Andrew Birrell and Ted Wobber, Microsoft Research


We describe a new design for authentication and access control. In this design, principals embody a flexible notion of authentication. They are compound principals that reflect the identities of the programs that have executed, even those of login programs. These identities are based on a naming tree. Our access control lists are patterns that recognize principals. We show how this design supports a variety of access control scenarios.
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