[Twisted-Python] loading intermediate CA certs from a chain file

exarkun at twistedmatrix.com exarkun at twistedmatrix.com
Tue Jul 20 07:47:14 MDT 2010


On 07:13 am, ssoni at nextdigital.com wrote:
>Hi There,
>
>Does Twisted support or is there any way of loading intermediate CA 
>certs from a chain file?

Twisted uses pyOpenSSL for it's SSL support.  So you can do pretty much 
anything pyOpenSSL allows.  http://packages.python.org/pyOpenSSL 
/openssl-context.html documents the Context interface; in particular the 
use_certificate_chain_file might be interesting.  However, I recently 
had a conversation with someone who was using this method and still 
couldn't get their chain certificate to work reliably.  I think he's 
still trying to track down the issue.

Jean-Paul




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