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Re: [TLS] WGLC for draft-ietf-tls-rfc4492bis

"Salz, Rich" <rsalz@akamai.com> Sun, 20 November 2016 15:33 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Yaron Sheffer <yaronf.ietf@gmail.com>, Sean Turner <sean@sn3rd.com>, "<tls@ietf.org>" <tls@ietf.org>
Thread-Topic: [TLS] WGLC for draft-ietf-tls-rfc4492bis
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Date: Sun, 20 Nov 2016 15:33:49 +0000
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Subject: Re: [TLS] WGLC for draft-ietf-tls-rfc4492bis
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> For those who missed CURDLE, could you please briefly explain why we don't
> need signature context in non-TLS areas.

The one place we were concerned about attacks was in pre-hash signatures, and we made those a MUST NOT.  And yes, your'e right, it's not relevant to TLS.

> So why are we now saying that contexts are not needed even for TLS?

I think because the key schedule changed.

--  
Senior Architect, Akamai Technologies
Member, OpenSSL Dev Team
IM: richsalz@jabber.at Twitter: RichSalz

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