Identity-based Secure Multicast Scheme Applying Elliptic Curve Cryptosystem
Chen Li-qing · Jisuanji gongcheng · 2010
This paper proposes a novel secure multicast scheme with key agreement based on Elliptic Curve Cryptosystem(ECC) and group communication used Identity-based Public Key Cryptography(ID-PKC).The procedures of key agreement of a subgroup and secret communications between subgroups and updating of group keys with the dynamic change of group members are analyzed.Analysis result shows that the scheme is not only efficient in computation and communication,but also satisfies the security requirements of key agreement.