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Re: [TLS] Uplifting 5289

kathleen.moriarty.ietf@gmail.com Thu, 16 March 2017 19:01 UTC

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From: kathleen.moriarty.ietf@gmail.com
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Date: Thu, 16 Mar 2017 15:01:33 -0400
Cc: Eric Rescorla <ekr@rtfm.com>, "tls@ietf.org" <tls@ietf.org>
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To: Yoav Nir <ynir.ietf@gmail.com>
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Subject: Re: [TLS] Uplifting 5289
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Please excuse typos, sent from handheld device 

> On Mar 16, 2017, at 11:37 AM, Yoav Nir <ynir.ietf@gmail.com> wrote:
> 
> 
>> On 16 Mar 2017, at 17:17, Eric Rescorla <ekr@rtfm.com> wrote:
>> 
>> Hi folks
>> 
>> I note that we are proposing to uplift RFC 5289 to PS, despite the fact that it
>> standardizes some CBC cipher suites, which the WG is looking to move away
>> from. I recognize that these are the only cipher suites you can use in TLS 1.0
>> and 1.1, but we also want people to move away from them.
>> 
>> This problem is probably solvable by marking the registry as Not Recommended, but I wondered if anyone had other thoughts on this topic?
>> 
> 
> 5289 applies to TLS 1.0, 1.1, and 1.2.  It seems strange to uplift a bunch of ciphersuites for 1.2 just as we’re publishing TLS 1.3 which obsoletes 5246.

TLS 1.2 will be in use for a while unless major problems are found, so it's worthwhile IMO.

Kathleen 

> 
> Yoav
> 
> 
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