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Re: [TLS] Lessons learned from TLS 1.0 and TLS 1.1 deprecation

"Salz, Rich" <rsalz@akamai.com> Fri, 27 September 2019 17:24 UTC

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From: "Salz, Rich" <rsalz@akamai.com>
To: Eric Rescorla <ekr@rtfm.com>
CC: Martin Thomson <mt@lowentropy.net>, Stephen Farrell <stephen.farrell@cs.tcd.ie>, "tls@ietf.org" <tls@ietf.org>
Thread-Topic: [TLS] Lessons learned from TLS 1.0 and TLS 1.1 deprecation
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Date: Fri, 27 Sep 2019 17:24:04 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/HmctbJb27vxFBUqsYnG29YC-Npw>
Subject: Re: [TLS] Lessons learned from TLS 1.0 and TLS 1.1 deprecation
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I could even accept with “, unfortunately” :)



From: Eric Rescorla <ekr@rtfm.com>
Date: Friday, September 27, 2019 at 1:11 PM
To: Rich Salz <rsalz@akamai.com>
Cc: Martin Thomson <mt@lowentropy.net>, Stephen Farrell <stephen.farrell@cs.tcd.ie>, "tls@ietf.org" <tls@ietf.org>
Subject: Re: [TLS] Lessons learned from TLS 1.0 and TLS 1.1 deprecation

Perhaps we could rewrite this text so that it reflects that we think this is non-ideal.?



On Fri, Sep 27, 2019 at 9:16 AM Salz, Rich <rsalz@akamai.com<mailto:rsalz@akamai.com>> wrote:


On 9/26/19, 11:51 PM, "Martin Thomson" <mt@lowentropy.net<mailto:mt@lowentropy.net>> wrote:

    On Fri, Sep 27, 2019, at 10:52, Stephen Farrell wrote:
    > >> """The expectation is that TLSv1.2 will continue to be used for
    > >> many years alongside TLSv1.3."""
    >
    > So is your proposed change to only remove that sentence?

    > wonder if that change really amounts to a worthwhile thing.

>    I do.  Or I wouldn't have written the email.  Do you think that this is a valuable statement?  I think that it says that the IETF lacks confidence in the suitability of TLS 1.3 as a replacement for TLS 1.2.

It is a statement of real-world deployment.  I am against removing it.

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