A system and method for a certificate verifier to make a request to a certificate distribution server for a copy of another entity's digital certificate and to have the certificate distribution center validate it. The certificate distribution center can request the appropriate certificates and validation thereof from a number of certificate authorities or may alternatively obtain copies from a certificate cache and validate the copies against a revocation list server.

 
Web www.patentalert.com

< Key management for content protection

> Fully scalable encryption for scalable multimedia

~ 00438