On Wed, Nov 08, 2006, Simon McMahon wrote:

> Hi Steve,
> 
> > Err no it doesn't it isn't part of EKU.
> That's what I thought but I couldn't find "noCheck = yes" and stumbled 
> onto the eku method.
> 

That wasn't documented, though it is now :-)

> When I use "extendedKeyUsage = OCSP Signing, OCSP No Check"
> OpenSSL generates:
> 
>         X509v3 extensions:
>             X509v3 Basic Constraints:
>                 CA:FALSE
>             X509v3 Extended Key Usage:
>                 OCSP Signing, id-pkix-ocsp-nocheck
> 
> So I thought this was where it goes. I also know of at least one other pki 
> implementation that makes this mistake.
> 

Yes currently OpenSSL doesn't stop you doing things like that as long as the
EKU string is an OID it doesn't care.

Steve.
--
Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage
OpenSSL project core developer and freelance consultant.
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