PSOS Revisited

  • Authors:
  • Peter G. Neumann;Richard J. Feiertag

  • Affiliations:
  • -;-

  • Venue:
  • ACSAC '03 Proceedings of the 19th Annual Computer Security Applications Conference
  • Year:
  • 2003

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Abstract

This paper provides a retrospective view of the designof SRI's Provably Secure Operating System (PSOS), a formallyspecified tagged-capability hierarchical system architecture.It examines PSOS in the light of what has happenedin computer system developments since 1980, andassesses the relevance of the PSOS concepts in that light.