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Conflicts in providing security in computer-based message systems

University of British Columbia

This thesis identifies and discusses problems which develop when guaranteed message security is to be incorporated into the design of a computer-based message system. The conflicts are the result of following existing security and message system design models, the basic one-way nature of the communications provided, and the desire to provide customarily expected functionality. Solutions to some of these problems are presented. A message system model is given, and an implementation following the model is described and evaluated. The ideas of researchers primarily concerned with computer system or network security differ from those in the area of computer-based message system design. Views vary on the correct loaction within a message system of facilities for data encryption, delivery confirmation, and duplicate message suppression. These differences of approach are discussed.

Text

2010-04-13

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http://hdl.handle.net/2429/23385

Computer Science

University of British Columbia

Graduate