ContentTriggered[1]

ContentTriggered[1] - CONTENT-TRIGGERED TRUST NEGOTIATION...

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Unformatted text preview: CONTENT-TRIGGERED TRUST NEGOTIATION by Adam Timothy Hess A thesis submitted to the faculty of Brigham Young University in partial fulfillment of the requirements for the degree of Master of Science Department of Computer Science Brigham Young University February 2003 ii iii Copyright © 2003 Adam Timothy Hess All Rights Reserved iv v BRIGHAM YOUNG UNIVERSITY GRADUATE COMMITTEE APPROVAL of a thesis submitted by Adam Timothy Hess This thesis has been read by each member of the following graduate committee and by majority vote has been found to be satisfactory. ________________________ ___________________________ Date Kent E. Seamons, Chair ________________________ ___________________________ Date Mark J. Clement ________________________ ___________________________ Date Parris Egbert vi vii BRIGHAM YOUNG UNIVERSITY As chair of the candidate's graduate committee, I have read the thesis of Adam Timothy Hess in its final form and have found that (1) its format, citations, and bibliographical style are consistent and acceptable and fulfill university and department style requirements; (2) its illustrative materials including figures, tables, and charts are in place; and (3) the final manuscript is satisfactory to the graduate committee and is ready for submission to the university library. ________________________ ___________________________ Date Kent E. Seamons Chair, Graduate Committee Accepted for the Department ___________________________ David W. Embley Graduate Coordinator Accepted for the College ___________________________ G. Rex Bryce Associate Dean, College of Physical and Mathematical Sciences viii ix ABSTRACT CONTENT-TRIGGERED TRUST NEGOTIATION Adam Timothy Hess Department of Computer Science Master of Science Traditionally, the focus of access control in client/server environments is on protecting sensitive server resources by determining whether or not a client is authorized to access those resources. The resources are usually static, and an access control policy associated with each resource specifies the identity of who is authorized to access the resource. In this thesis, I turn the conventional client/server access control model on its head, and address how to protect the sensitive content that clients disclose to servers. Since client content is generated at the time of disclosure, the usual approach of associating a policy with the resource a priori does not work. This thesis proposes an access control model for protecting dynamic client-side content that identifies sensitive content, maps such content to an access control policy, and establishes the trustworthiness of the server before the content is disclosed to the server. The model targets open systems, where clients and servers do not have preexisting trust...
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This note was uploaded on 06/16/2009 for the course CSCI 578 taught by Professor Nenadmedidovic during the Spring '08 term at USC.

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ContentTriggered[1] - CONTENT-TRIGGERED TRUST NEGOTIATION...

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