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Re: [TLS] Fingerprinting weaknesses (was: The risk of misconfiguration)

"Salz, Rich" <rsalz@akamai.com> Wed, 07 May 2014 19:10 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Alyssa Rowan <akr@akr.io>, "tls@ietf.org" <tls@ietf.org>
Date: Wed, 07 May 2014 15:10:11 -0400
Thread-Topic: [TLS] Fingerprinting weaknesses (was: The risk of misconfiguration)
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Subject: Re: [TLS] Fingerprinting weaknesses (was: The risk of misconfiguration)
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> I think that they are insecure _is_ a compelling reason: we seem simply to disagree on that point.

No, I think there is disagreement as to whether or not they are insecure. Counter-examples include a server-initiated challenge-response (such as good old S/Key), PGP encrypted mail over SMTP, and so on. 

	/r$

--  
Principal Security Engineer
Akamai Technologies, Cambridge, MA
IM: rsalz@jabber.me; Twitter: RichSalz

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