Method and apparatus for centralizing a certificate revocation list in a certificate authority cluster
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United States of America Patent
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N/A
Issued Date -
Feb 20, 2003
app pub date -
Aug 17, 2001
filing date -
Aug 17, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method and apparatus for centralizing a certificate revocation list (CRL). Specifically, the present invention describes a method and system for centralizing a CRL in a certificate authority. The certificate authority is comprised of a master server coupled to a plurality of clone servers that form a cluster of servers. Each of the clone servers in the cluster has the capability to provide certificate authority services. The present invention centralizes the CRL at a database accessed by the lightweight directory access protocol that supports a Secure Sockets Layer. A CRL merger service located at the master server maintains the CRL. The master server also receives revocation information coming from the clone servers indicating a certificate has been revoked. Upon receipt of such revocation certificate record, the corresponding certificate is added to the CRL. In this way a centralized CRL is maintained for the entire certificate authority cluster of servers.
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