Re: XML schema or dtd for X.509?
Steven Legg <steven.legg@eb2bcom.com> Wed, 20 April 2005 08:26 UTC
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Date: Wed, 20 Apr 2005 17:29:01 +1000
From: Steven Legg <steven.legg@eb2bcom.com>
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To: Bob Wheeler <soapp1@yahoo.com>
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Subject: Re: XML schema or dtd for X.509?
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Bob, Bob Wheeler wrote: > Without starting a religious war, does anyone know of existing XML XSD > or DTD specifications for X.509 certificates. Ideally, I'm looking for > something that tracks closely to X.509 including the standard extensions > and their contents. I'd appreciate any references or links to such > specifications. I have seen some "toy" descriptions that barely describe > basic certificates without any consideration of the standard extensions. > Thanks. I've been working on a set of specifications for XML-enabling LDAP and X.500 directories: http://www.ietf.org/internet-drafts/draft-legg-xed-roadmap-03.txt One aspect of this is a set of XML encoding rules for ASN.1 (RXER), which allow me to encode any X.500 directory data in XML. This of course encompasses X.509. Another aspect of more interest to you is an algorithmic procedure for generating XML Schemas from ASN.1 modules. The XML Schemas validate the RXER encodings. I haven't yet got around to writing up that procedure but I do have an implementation of an ASN.1 to XML Schema translator. In time I will be publishing the XML Schema translations for all the X.500 ASN.1 modules on-line, but in the meantime I can wrap up my current set of XML Schemas and send them to you if you are interested. Bear in mind that this is still a work in progress. The translator skimps on constraints, though it does handle occurrence constraints. Regards, Steven > > Bob > > ------------------------------------------------------------------------ > Do you Yahoo!? > Make Yahoo! your home page > <http://us.rd.yahoo.com/my/navbar/sethp/*http://www.yahoo.com/r/hs>
- XML schema or dtd for X.509? Bob Wheeler
- Re: XML schema or dtd for X.509? Steven Legg
- Re: XML schema or dtd for X.509? Martin Clausen