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. Consider a restricted form of attenuation, which works as follows. A subject q is attenuated by the maximal set of rights that q, or
. Consider a restricted form of attenuation, which works as follows. A subject q is attenuated by the maximal set of rights that q, or any of its ancestors, has. So, for example, if any ancestor of q has r permission over a file f, q can also r f. How does this affect the spread of rights throughout the access control matrix of the system? Develop an example matrix that includes the ancestor right, and illustrate your answer
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