The authorization problem in shared files

  • Authors:
  • T. D. Friedman

  • Affiliations:
  • -

  • Venue:
  • IBM Systems Journal
  • Year:
  • 1970
  • A model for access control

    SIGFIDET '71 Proceedings of the 1971 ACM SIGFIDET (now SIGMOD) Workshop on Data Description, Access and Control

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Abstract

The problem of sharing information while protecting proprietary data in large computer files is reviewed. The author suggests certain guidelines for data protection in general-purpose, time-sharing systems, and develops a model of a secured shared file. Operation of the system based on these guidelines is discussed.