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Attacks and Comments on Several Recently Proposed Key Management Schemes
key management schemes hierarchical access control collusion attack
2013/4/18
In this paper, we review three problematic key management(KM) schemes recently proposed, including Kayam’s scheme for groups with hierarchy [9], Piao’s group KM scheme [13], Purushothama’s group KM sc...
Incorporating Temporal Capabilities in Existing Key Management Schemes
Incorporating Temporal Capabilities Key Management Schemes
2008/8/20
The problem of key management in access hierarchies is how to assign keys to users and classes such that each user, after receiving her secret key(s), is able to independently compute access keys for ...