Implementing Belief-Consistent Multilevel Secure Relational Data Model: Issues and Solutions

Mario Pranjić, Nenad Jukić, Krešimir Fertalj

Abstract


This paper summarizes our efforts in implementing a working multi-level secure database prototype. We have chosen Belief-Consistent Multilevel Secure Relational Data Model (BCMLS) as a basis for our prototype because of its comprehensive semantics for interpreting all stored information. While semantically superior to other models, this model has not been implemented as a working system before. Our prototype, which was created on an Informix database server with a PHP web client, enables insertion, deletion and update of multi-level data while addressing the underlying model complexities through a number of original solutions.

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DOI: https://doi.org/10.2498/cit.2003.03.11

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