By Reason and Authority: A System for Authorization of Proof-Carrying Code

Authors:
Nathan Whitehead;Martin Abadi;George Necula
Affiliations:
University of California, Santa Cruz;University of California, Santa Cruz;University of California, Berkeley
Venue:
CSFW '04 Proceedings of the 17th IEEE workshop on Computer Security Foundations
Year:
2004

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Abstract

We present a system, BLF, that combines an authorizationlogic based on the Binder language with a logicalframework, LF, able to express semantic properties of programs.BLF is a general system for specifying and enforcingpolicies that rely on both reason and trust. In particular,BLF supports extensible software systems that employboth digitally signed code and language-based security, especiallyproof-carrying code. We describe BLF, establishsome of its fundamental properties, and explain its use.