Designing and implementation of a new security model

Abstract

The original protection graph rewriting grammar used to simulate the different operations of the Take/Grant model is reviewed. The productions of the PGR-grammar is then expanded, by adding a new context which is based on the different security classes found in the Bell and LaPadula model.

Keywords:

• Take/Grant model
• protection graph
• Bell and LaPadula model
• security classes
• contexts

C.R. Categories:

• F4.2
• F4.3
• D4.6
• C2.0