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Chien-Lung Hsu, Tzong-Sun Wu. Cryptanalyses and improvements of two cryptographic key assignment schemes for dynamic access control in a user hierarchy. Computers & Security, 22(5):453-456, 2003. [doi]
Possibly Related PublicationsThe following publications are possibly variants of this publication: Cryptographic key assignment scheme for hierarchical access controlTzong-Chen Wu, Chin-Chen Chang. csse, 16(1):25-28, 2001. Crypographic key assignment scheme for access control in a hierarchyChin-Chen Chang, Ren-Junn Hwang, Tzong-Chen Wu. is, 17(3):243-247, 1992.
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