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Re: [TLS] draft-sheffer-tls-bcp: DH recommendations

Yaron Sheffer <yaronf.ietf@gmail.com> Thu, 19 September 2013 09:59 UTC

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Date: Thu, 19 Sep 2013 12:59:08 +0300
From: Yaron Sheffer <yaronf.ietf@gmail.com>
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To: Peter Gutmann <pgut001@cs.auckland.ac.nz>
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Cc: "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] draft-sheffer-tls-bcp: DH recommendations
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Hi Peter,

I think we've been through all these arguments (on both sides of the 
issue) over the last week, with the exception of "ECC brittleness". Can 
you please clarify what you mean by that?

Thanks,
	Yaron

On 09/19/2013 11:50 AM, Peter Gutmann wrote:
> Yaron Sheffer <yaronf.ietf@gmail.com> writes:
>
>> There are multiple issues with MODP DH in TLS (performance is just one of
>> them). So I'd like to recommend EC DHE instead - which makes this discussion
>> moot.
>
> There are even more issues with ECC, namely their brittleness, paranoia
> (whether justified or not) about NSA meddling, and patent issues.  DH is
> simple in comparison.
>
> Peter.
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