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Zych, Anna K. and Doumen, Jeroen M. and Jonker, Willem and Hartel, Pieter and Petkovic, Milan (2006) Method of Key Management. Patent.
Zych, Anna and Doumen, Jeroen and Hartel, Pieter and Jonker, Willem (2005) A Diffie-Hellman based key management scheme for hierarchical access control. [Report]