Abstract
The grid computing coordinates resource sharingbetween different administrative domains in large scale, dynamic, and heterogeneous environment. Efficient and secure certificateless public key cryptography (CLPKC) based authentication protocol for multi-domain grid environment is widely acknowledgedas a challenging issue. Trust relationships managementacross domains is the main objective of authentication protocols in real grid computing environments. In this paper, we discussthe grid pairing-free certificateless two-party authenticated key agreement (GPC-AKA) protocol. Then, we provide a crossdomain trust model for GPC-AKA protocol in grid computing environment. Moreover, we analysis the GPC -AKA protocol in multiple trust domains simulated environme nt using GridSimtoolkit.
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