[cabfpub] FW: Short lived OCSP signing certificate

Rich Smith richard.smith at comodo.com
Tue Sep 18 17:53:44 UTC 2012


> -----Original Message-----
> From: Jeremy Rowley [mailto:jeremy.rowley at digicert.com]
> Sent: Tuesday, September 18, 2012 12:57 PM
> 
> Our proposal was a seven day validity period.  We selected that time
> period because of clock synchronization issues and because it's a
> typically caching interval for longer-lived certificates.
[RWS] If that's what the current spec allows then IMO if you want to make
something more secure, concentrate on changing that.  Caching revocation
information for 7 days is insane.
> 
> The whole point of short-lived certs is their fast processing compared
> to certs containing certificate revocation information.  Like you said
> Gerv, the whole advantage of short lived certs is eviscerated if
> revocation information is included.
[RWS] Why and how?  Like I said, what the relying party does with the
information once we've provided it is up to them.
> 
> The baseline requirements are not intended to stifle innovation and
> progress.  That is the reason the validation sections are broad and
> open ended.  We should be permitting new ideas and developments
> provided that these ideas  provide similar levels of security and
> assurance.
[RWS] I don't see how leaving a certificate which should be revoked
un-revoked for up to 7 days provides any level of security or assurance.
> 
-Rich

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