Following up with answers I found in case someone later is looking for 
information and finds this thread.

On Sunday 11 November 2007, Chris Knadle wrote:
> Questions I'm currently working to answer:
>   - Can the OCSP responder handle responding for the CA key itself?

   It can.

>   - What is required to list the OCSP URL in the Root CA key?

   The OCSP Responder URL is listed in the authorityInfoAccess attribute.

>   - If an OCSP responder URL is listed, can a URL for CRLs still be
>     listed?  I.E. is it "one-or-the-other" but not both?

   It seems to be recommended to list and do both.

   A URL for CRLs should be listed in the cRLDistributionPoints attribute.
   The attributes nsCaRevocationUrl, nsCaPolicyUrl, nsRevocationUrl, and 
nsPolicyUrl are all deprecated, which makes sense because in this context ns 
stands for "Netscape".  Use of the nsComment attribute is discouraged but 
seems to be commonly used anyway because the attribute value is viewable.

   Implementation details and relevant documents can be found from search 
engines by searching for the string:
     "OCSP authorityInfoAccess extendedKeyUsage"

   -- Chris

-- 

Chris Knadle
[EMAIL PROTECTED]
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