Unformatted text preview: 5. Information Flow models. Complete the sentences: (choose from: Bel-LaPadula, Information ±low (I±), equivocation, BellLaPadula, security) • In the Bel-LaPadula model, information can ²ow from a low security level to a high security level through access operations without any loss of conFdential information. • An Information ±low (I±) system is secure if there is no illegal information ²ow. • The information ²ow from x to y is measured by the equivocation (conditional entropy) H ( x | y ) of x , given y . Mike Burmester...
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This document was uploaded on 12/04/2011.
- Fall '09
- Computer Security