"OCSP, SCVP and CRLs are some of the prevalent mechanisms to determine the status of certificates. Both OCSP and SCVP are real-time protocols, whereas CRLs are not. This document describes the architecture that can be used to implement a Certificate Validation Trust Provider for the Windows platform that enables it to support one or more of these protocols. Although this trust provider does not necessarily have to be "Identrus-specific," its design should be compliant with the Identrus specifications for certificate status checking if it is to be used in the Identrus financial network.
This document is intended for the use of the developers, testers and partners who will be contributing to the development and release of an add-on CryptoAPI provider to support Identrus™ applications or other certificate validation protocols. "
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