Title: Internet X.509 Public Key Infrastructure Data Validation and Certification Server Protocols
Author(s): C. Adams, P. Sylvester, M. Zolotarev, R. Zuccherato.
Status: EXPERIMENTAL
Date: Feb 2001
Length: 107347
This document describes a general Data Validation and Certification Server (DVCS) and the protocols to be used when communicating with it. The Data Validation and Certification Server is a Trusted Third Party (TTP) that can be used as one component in building reliable non-repudiation services.
Useful Data Validation and Certification Server responsibilities in a PKI are to assert the validity of signed documents, public key certificates, and the possession or existence of data.
Assertions created by this protocol are called Data Validation Certificates (DVC).
We give examples of how to use the Data Validation and Certification Server to extend the lifetime of a signature beyond key expiry or revocation and to query the Data Validation and Certification Server regarding the status of a public key certificate. The document includes a complete example of a time stamping transaction.
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