On Tue, Aug 16, 2005, varma d wrote:

> 
> But, In this command what is the purpose of OCSPServer.pem, i still dont 
> understand the purpose of OCSPServer.pem as we need to just send our request 
> and expect a response from OCSP responder irrespective of OCSPServer.pemfile.
> 

This is an issue of how you trust the reponse from the OCSP responder. There
are three cases:

1. Response signed by the same key as the CA that issued the certificate.
2. Response signed by a key in a certificate delegated by the issuing CA.
3. A key locally configured as trusted.

In case #1 and #2 the trust can be determined automatically from the
certificate being validated.

In case #3 the relevant key needs to be determined by some other means.

So its a case of how the responder is configured. In some cases the responder
is misconfigured and you have to use option #3.

> 2)I tested by giving latest user certificates other than
> openvalidation.org<http://openvalidation.org>certificates, but i am
> getting this error
> 
> user.pem:WARNING: Status times invalid.
> 3220:error:2707307D:OCSP
> routines:OCSP_check_validity:status
> expired:.\crypto\ocsp\ocsp_cl.c:357:
> unknown
> This Update: Oct 24 06:00:11 2004 GMT
> Next Update: Oct 25 06:00:11 2004 GMT
> 

The responder is saying that its response is valid between those dates: so it
is sending out of date information.

Steve.
--
Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage
OpenSSL project core developer and freelance consultant.
Funding needed! Details on homepage.
Homepage: http://www.drh-consultancy.demon.co.uk
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