Subject: I-D ACTION:draft-gutmann-ocsp-rtcs-00.txt

From: [email-masked]
Date: Tue, 14 Jan 2003 10:13:09 -0500

A New Internet-Draft is available from the on-line Internet-Drafts directories.

	Title		: Real-time Certificate Status Facility for OCSP - 
                         (RTCS)
	Author(s)	: P. Gutmann
	Filename	: draft-gutmann-ocsp-rtcs-00.txt
	Pages		: 0
	Date		: 2003-1-13
	
When the OCSP protocol was defined, the design was based on full compatibility with CRL-based mechanisms.  This requires the use of a complex means of certificate identification that has resulted in interoperability problems among implementations, a design unsuited for high-throughput, real-time operation, the inability to provide an unambiguous certificate status response (the only thing that a CRL can say with certainty is 'revoked'), and an online responder tied to an offline mechanism (some CAs issue CRLs only once or twice a day, even though they have an online, real- time certificate store
available).  A more practical problem is that it makes it impossible to
implement an OCSP responder not based on CRLs, for example one that consults a certificate database or in-memory hash table to determine the presence or absence of a valid certificate.

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