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11116 Method of Key Management

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Zych, A.K. and Doumen, J.M. and Jonker, W. and Hartel, P.H. and Petkovic, M. (2006) Method of Key Management. Patent PH006387, WO-IB2007/053498, EP-06119878.4 (Application).

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Abstract

The invention relates to a method of key management for group-based controlled access to encrypted data, in which a decryption key for the encrypted data can be obtained by a party if the party is a member of at least one group which is authorized to access the data, the groups being organized in a hierarchical tree in which each non-leaf node represents a group and each leaf node represents a member of all groups represented by nodes hierarchically superior to the leaf node in question.

Item Type:	Patent
Research Group:	EWI-DIES: Distributed and Embedded Security, EWI-DB: Databases
Research Program:	CTIT-ISTRICE: Integrated Security and Privacy in a Networked World
Research Project:	Secure Meta Data: Secure Content Management In Ambient Environments
ID Code:	11116
Deposited On:	16 October 2007
International:	Yes
More Information:	statistics metis

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Method of Key Management (deposited 16 October 2007)
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- Method of Key Management (deposited 15 June 2009)

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