In line with the needs of grid development, the widely used Kerberos authentication mechanism is analyzed, and the GSI scheme and KX.509 scheme under different grid environments are studied. On this basis, drawing on the proxy idea of KX.509, a grid authentication model built with a web login module is proposed in the Globus environment to provide transparent certificate generation, use and management for campus grid users. During the user registration and authentication process, the web login module automatically generates a digital proxy certificate for the user, so that the user does not need to have his own digital certificate. Keywords: grid security; authentication; Kerberos; KX.509Abstract. Integrating the needs of grid development, analyzed current broadly adoptedKerberos authentication mechanism, and researched GSI and KX.509 in different gridenvironment. On these basis, drawing the proxy idea of KX.509, give a grid authentication model which adopt weblogin module in the Globus environment. For the campus grid user provides the transparent certificate creation, employment and management. In the process of registration and authentication, weblogin automatically creates digital proxy certificate for users, and users needn\'t have their own digital certificate.Key words: grid security; authentication; Kerberos; KX.509
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