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Re: [TLS] Initial draft of DH-based key exchange

Eric Rescorla <ekr@rtfm.com> Mon, 23 March 2015 21:02 UTC

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From: Eric Rescorla <ekr@rtfm.com>
Date: Mon, 23 Mar 2015 16:01:35 -0500
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To: Ilari Liusvaara <ilari.liusvaara@elisanet.fi>
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Subject: Re: [TLS] Initial draft of DH-based key exchange
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On Mon, Mar 23, 2015 at 3:54 PM, Ilari Liusvaara <
ilari.liusvaara@elisanet.fi> wrote:
>
> Well, to me the key derivation in EKR draft (using HKDF) looks much more
> messy than the one in editor draft (using classic TLS PRF)


Note that we could certainly use the TLS PRF with this DH-based structure,
I'm just trying to keep the number of branches I'm working on down to a
managable
structure and I had the sense from the interim that people wanted HKDF.

-Ekr

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