I would like to know if it is possible to issue a certificate that
contains a rule that specify that it can sign other certificates only if
the domain is a sub-domain of a specified domain.

For instance A would issue a certificate to B with a critical extention
(*.sopac.org|*@sopac.org) that would allow B to sign certificates only
for use in sub-domains, eg: www.sopac.org, [EMAIL PROTECTED],
[EMAIL PROTECTED],... but not www.othersopac.org,
www.mycompany.com

If it does not exist then we are missing something important...

Franck Martin
Network and Database Development Officer
SOPAC South Pacific Applied Geoscience Commission
Fiji
E-mail: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> 
Web site: http://www.sopac.org/
<http://www.sopac.org/> Support FMaps: http://fmaps.sourceforge.net/
<http://fmaps.sourceforge.net/> 
Certificate: https://www.sopac.org/ssl/ 

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