Abstract
Without proposing a new key assignment scheme, this paper presents a graph translation procedure so that more complicated non-hierarchical access control policies can be enforced by existing hierarchical key assignment schemes.
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APA
Yeh, J. haw. (2009). Enforcing non-hierarchical access policies by hierarchical key assignment schemes. Information Processing Letters, 110(2), 46–49. https://doi.org/10.1016/j.ipl.2009.10.005
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