Abstract
There are several problems associated with the current ways that certificates are published and revoked. This paper discusses these problems, and then proposes a solution based on the use of WebDAV, an enhancement to the HTTP protocol. The proposed solution provides instant certificate revocation, minimizes the processing costs of the certificate issuer and relying party, and eases the administrative burden of publishing certificates and certificate revocation lists (CRLs). We describe how WebDAV can be used for X.509 certificate revocation, and describe how we have implemented it in the PERMIS authorization infrastructure.
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