Rob Stradling rob.stradling at comodo.com
Thu Oct 31 21:58:01 UTC 2013

On 31/10/13 20:58, Rob Stradling wrote:
> On 24/10/13 01:26, Maxim Dounin wrote:
> <snip>
>> As for multiple certs per se, I don't think it should be limited
>> to recent OpenSSL versions only.  As far as I can tell, current
>> versions of OpenSSL will work just fine (well, mostly) as long as
>> both ECDSA and RSA certs use the same certificate chain.  I
>> believe at least some CAs issue ECDSA certs this way, and this
>> should work.
>> Limiting support for multiple certs with separate certificate
>> chains to only recent OpenSSL versions seems reasonable for me,
>> but if Rob wants to try to make it work with older versions - I
>> don't really object.  If it won't be too hacky it might worth
>> supporting.
> Updated patch attached.  This implements multiple certs and makes OCSP
> Stapling work correctly with them.  It works with all of the active
> OpenSSL branches (including 0_9_8).

That patch caused problems with ssl_stapling_file.  Fixed in the 
attached V2 patch.

> I'm afraid it's a much larger patch than I anticipated it would be when
> I started working on it!
> Maxim, does this patch look commit-able?

Rob Stradling
Senior Research & Development Scientist
COMODO - Creating Trust Online
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