Re: [TLS] Confirming Consensus on removing RSA key Transport from TLS 1.3

Johannes Merkle <johannes.merkle@secunet.com> Thu, 27 March 2014 13:12 UTC

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Date: Thu, 27 Mar 2014 14:12:16 +0100
From: Johannes Merkle <johannes.merkle@secunet.com>
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To: Alyssa Rowan <akr@akr.io>, <tls@ietf.org>
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Subject: Re: [TLS] Confirming Consensus on removing RSA key Transport from TLS 1.3
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Alyssa Rowan schrieb am 27.03.2014 13:27:

> Suggestion: remove static RSA *and* traditional DHE and mandate ECDHE for key exchange in TLS 1.3. I propose, 
> curve25519 as mandatory-to-implement and secp256r1 as recommended-to-implement [? Also mandatory, maybe?], both in 
> constant time, which is comparatively easy, especially for 25519.

It is not wise to base the security of a protocol on a single computational problem and fixed key length.

- -- 
Johannes
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