I-D ACTION:draft-ietf-pkix-dcs-00.txt

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This draft is a work item of the Public-Key Infrastructure (X.509) Working Group 
of the IETF.

	Title		: Internet X.509 Public Key Infrastructure 
                          Data Certification Server Protocols
	Author(s)	: C. Adams, R. Zuccherato
	Filename	: draft-ietf-pkix-dcs-00.txt
	Pages		: 14
	Date		: 23-Sep-98
	
This document describes a general data certification service and the
protocols to be used when communicating with it.  The Data Certification
Server  is a Trusted Third Party (TTP) that can be used as one component
in building reliable non-repudiation services (see [ISONR]).  Useful
Data Certification Server responsibilities in a PKI are to validate
signatures and to provide up-to-date information regarding the status of
public key certificates.  We give examples of how to use the Data
Certification Server to extend the lifetime of a signature beyond key
expiry or revocation and to query the Data Certification Server
regarding the status of a public key certificate.
 
      The key words 'MUST', 'MUST NOT', 'REQUIRED', 'SHALL', 'SHALL
      NOT', 'SHOULD', 'SHOULD NOT', 'RECOMMENDED',  'MAY', and
      'OPTIONAL' in this document are to be interpreted as described in
      RFC 2119 [RFC2119].


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