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IJNSEC
2008
13 years 6 months ago
2008
We present a hybrid group key management protocol that incorporates both a centralized and a contributory scheme for key management, and a tree-based Elliptic Curve Diffie-Hellman...
IJNSEC
2008
13 years 6 months ago
2008
Most of the current security architectures for grid systems use conventional public key infrastructure (PKI) to authenticate grid members and to secure resource allocation to thes...
IJNSEC
2008
13 years 6 months ago
2008
In a nominative proxy signature scheme, an original singer delegates his signing power to a proxy signer, who generates a nominative signature on behalf of the original signer. In...
IJNSEC
2008
13 years 6 months ago
2008
Recently, Das, Saxena and Gulati proposed a dynamic Id based remote user authentication scheme that allows the users to choose and change their passwords freely and does not maint...
IJNSEC
2008
13 years 6 months ago
2008
In group communication, users often have different access rights to multiple data streams. Based on the access relation of users and data streams, users can form partially ordered...