Re: [TLS] TLS 1.2 hash agility

Eric Rescorla <ekr@networkresonance.com> Thu, 27 September 2007 14:34 UTC

Date: Thu, 27 Sep 2007 07:30:42 -0700
From: Eric Rescorla <ekr@networkresonance.com>
To: Mike <mike-list@pobox.com>
Subject: Re: [TLS] TLS 1.2 hash agility
In-Reply-To: <46FB44CC.5020509@pobox.com>
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At Wed, 26 Sep 2007 22:51:08 -0700,
Mike wrote:
> 
> >>> There is only one place where it's needed: CertificateRequest.
> >> That is true at the moment, but if a future addition to the protocol
> >> also requires a signature, you will need to send the list twice.
> > 
> > Or simply make the change then.
> 
> I see two options:
> 
>    1) use a server extension to advertise signature algorithm support
> 
>    2) modify the format of CertificateRequest now, and possibly
>       have to change it back later and implement choice 1 anyway
> 
> I would choose option 1.

As you say, gentleman can disagree.

-Ekr


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Re: [TLS] TLS 1.2 hash agility Mike
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Re: [TLS] TLS 1.2 hash agility Eric Rescorla
Re: [TLS] TLS 1.2 hash agility Mike
Re: [TLS] TLS 1.2 hash agility Mike
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