With my chair hat on, I won’t comment one way or the other on whether this 
should be done, but we have gone down this path before.  As I recall, the 
proposal was pretty resoundingly rejected.

But, what I will say as chair is that this would most definitely require a 
charter change for the WG.

spt

> On Apr 04, 2016, at 14:24, Phil Lello <p...@dunlop-lello.uk> wrote:
> 
> Hi,
> 
> I have a use-case for allowing an MITM to monitor traffic, but not 
> impersonate a server, and to allow MITM signing for replay of 
> server-responses to support caching.
> 
> As far as I'm aware, TLS currently only supports a shared-secret once session 
> initialisation is complete, so I'd need to extend the protocol to support 
> asymmetric encryption for the session.
> 
> Would there be interest in extending TLS to:
>   - allow monitoring-with-consent (based on asymmetric encryption)?
>   - allow re-signing from an authorised MITM to support caching?
> 
> Best wishes,
> 
> Phil Lello
> 
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