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    Verifying Information Flow Control Over Unbounded Processes

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    TR1655.pdf (380.3Kb)
    Date
    2009
    Author
    Harris, William
    Kidd, Nicholas
    Chaki, Sagar
    Jha, Somesh
    Reps, Thomas
    Publisher
    University of Wisconsin-Madison Department of Computer Sciences
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    Abstract
    Decentralized Information Flow Control (DIFC) systems enable programmers to express a desired DIFC policy, and to have the policy enforced via a reference monitor that restricts interactions between system objects, such as processes and files. Current research on DIFC systems focuses on the reference monitor implementation, and assumes that the desired DIFC policy is correctly specified. The focus of this paper is an automatic technique to verify that an application, plus its calls to DIFC primitives, does indeed correctly implement a desired policy. We present an abstraction that allows a model checker to reason soundly about DIFC programs that manipulate potentially unbounded sets of processes, principals, and communication channels. We implemented our approach and evaluated it on a set of real-world programs.
    Permanent Link
    http://digital.library.wisc.edu/1793/60674
    Citation
    TR1655
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    • CS Technical Reports

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