[TLS] Using RSA PSS in TLS

Johannes Merkle <johannes.merkle@secunet.com> Mon, 14 October 2013 08:39 UTC

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Date: Mon, 14 Oct 2013 10:39:25 +0200
From: Johannes Merkle <johannes.merkle@secunet.com>
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Subject: [TLS] Using RSA PSS in TLS
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While the current discussion on this list is about ECC, I would like to raise the question if it were not desirable to
allow usage of provably secure RSA-PSS signatures from PKCS#1v2.1 in TLS.

Of course, an issue with this idea is that, if we replace DHE_RSA and ECDHE_RSA with DHE_PSS and ECDHE_PSS, we end up
with a whole bunch of new cipher suites. An alternative could be a new extension signaling the RSA version used (with
PKCS#1v1.5 as default).

Any thoughts on that?
-- 
Johannes