A Study on Delegation used SPKI Certificate in Grid

It is X.509 certificate that use to offer authentication and delegation service in grid. Authentication service offers by X.509 user certificate, and delegation service offers by X.509 proxy certificate. However, in case of provide delegation service using X.509 poxy certificate, can not fulfill complicated delegation requirement of grid. In this paper, proposed delegation mechanism that is done restricted delegation, multiple delegation and light weight that delegation service that use existent X.509 proxy certificate does not have. In this paper, delegation service that proposed used SPKI certificate.