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In the grid security infrastructure (GSI), cross-domain authentication is based on traditional PKI cross certificate, which brings about problems of certificates management. Encouragingly, identity-based cryptography (IBC) can overcome these problems for its certificate-free feature. Therefore, an identity-based signcryption scheme is proposed in order to meet the requirement of cross-domain authentication...
Trust management, with trust collecting mechanism as one of its foundations, has been the focus of more and more researches in grid security. This paper analyzes shortages of existing trust collecting mechanisms, and then proposes a novel trust collecting mechanism by introducing the idea of publish/subscribe scheme used in messaging system. The objective of this mechanism is to support dynamic trust...
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