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1 VERIMAG - IMAG - VERIMAG 2 SARDES - System architecture for reflective distributed computing environments Inria Grenoble - Rhne-Alpes, CNRS - Centre National de la Recherche Scientifique : FR71 3 POPS - System and Networking for Portable Objects Proved to be Safe LIFL - Laboratoire d-Informatique Fondamentale de Lille, Inria Lille - Nord Europe, IRCICA

Abstract : We present in this paper the security features of Think, an ob ject-oriented architecture dedicated to build customized operating system kernels. The Think architecture is composed of an object- oriented software framework including a trader, and a library of system abstractions programmed as components. We show how to use this architecture to build secure and ecient kernels. Policy-neutral security is achieved by providing elementary tools that can be used by the system programmer to build a system resistant to security hazards, and a security manager that uses these tools to enforce a given security policy. An example of such a secure system is given by detailing how to ensure component isolation with a elementary software-based memory isolation tool.

Autor: Christophe Rippert -



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