Show that the enforcement rules of the Clark-Wilson model can emulate the Biba model.
Show that the enforcement rules of the Clark-Wilson model can emulate the Biba model.
Homework Answers
Answer:
Both models do have integrity levels, though the Clark-Wilson
model only has two levels for objects (CDIs and UCIs) and two for
subjects (certified TPs and uncertified procedures).
The Biba model has no concept of “certification”. There is no
mechanism for checking the trusted entities or their actions.
The Biba model cannot emulate the Clark-Wilson model but the
Clark-Wilson model can emulate the Biba model (by choosing
appropriate TPs in the allowed triples).
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Show that the enforcement rules of the Clark-Wilson model can
emulate the Biba model.
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