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Re: [TLS] I-D Action: draft-ietf-tls-prohibiting-rc4-01.txt

"Salz, Rich" <rsalz@akamai.com> Fri, 24 October 2014 06:46 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Stephen Farrell <stephen.farrell@cs.tcd.ie>, "tls@ietf.org" <tls@ietf.org>
Date: Fri, 24 Oct 2014 02:46:29 -0400
Thread-Topic: [TLS] I-D Action: draft-ietf-tls-prohibiting-rc4-01.txt
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Subject: Re: [TLS] I-D Action: draft-ietf-tls-prohibiting-rc4-01.txt
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>   OS is a fine design pattern. Algorithms can be considered-good
>   or dodgy. AES is considered-good. RC4 is dodgy. OS requires
>   considered-good algorithms (I think). With dodgy algorithms
>   (esp. with ciphertext-only attacks expected soon) OS is no
>   better than cleartext for confidentiality. So we ought say
>   to not use RC4 when following the OS design pattern.

There's a vocal minority(?) who strongly disagrees with this, particularly the last sentence.

I ask that the TLS WG chairs determine consensus pretty darn quickly.

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

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