Unwinding and Inference Control

Joseph A. Goguen, Jose Meseguer

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper discusses two main ideas, unwinding and inference control. While both concern computer security, they are not closely related to each other. Unwinding is a verification technique for general security requirements based on noninterference assertions as in [Goguen Meseguer 82a]. The inference control problem concerns preventing inference of unauthorized information by combining authorized information. The main result in this paper is an unwinding theorem that gives a very simple necessary and sufficient condition for a system to satisfy the MLS security policy system. A subsidiary topic is secure interfaces, which we show how to treat with noninterferce assertions.

Original languageEnglish (US)
Title of host publication1984 IEEE Symposium on Security and Privacy, SP 1984
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages75-86
Number of pages12
EditionJuly
ISBN (Electronic)0818603453, 0818604107, 0818605324, 0818606290, 9780818603457, 9780818604102, 9780818605321
DOIs
StatePublished - Jul 6 2012
Externally publishedYes
Event5th IEEE Symposium on Security and Privacy, SP 1984 - Oakland, United States
Duration: Apr 29 1984May 2 1984

Publication series

NameProceedings - IEEE Symposium on Security and Privacy
NumberJuly
Volume2012-July
ISSN (Print)1081-6011

Conference

Conference5th IEEE Symposium on Security and Privacy, SP 1984
Country/TerritoryUnited States
CityOakland
Period4/29/845/2/84

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Software
  • Computer Networks and Communications

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