[TLS] Upgrading TLS session resumption from TLS 1.2 to TLS 1.3?

"Soni L." <fakedme+tls@gmail.com> Thu, 24 June 2021 12:36 UTC

Return-Path: <fakedme+tls@gmail.com>
X-Original-To: tls@ietfa.amsl.com
Delivered-To: tls@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 077803A1B51 for <tls@ietfa.amsl.com>; Thu, 24 Jun 2021 05:36:43 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.099
X-Spam-Level:
X-Spam-Status: No, score=-2.099 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001] autolearn=ham autolearn_force=no
Authentication-Results: ietfa.amsl.com (amavisd-new); dkim=pass (2048-bit key) header.d=gmail.com
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id jZA2zNAnnvyQ for <tls@ietfa.amsl.com>; Thu, 24 Jun 2021 05:36:41 -0700 (PDT)
Received: from mail-qk1-x72f.google.com (mail-qk1-x72f.google.com [IPv6:2607:f8b0:4864:20::72f]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id 4EED83A1B4D for <tls@ietf.org>; Thu, 24 Jun 2021 05:36:41 -0700 (PDT)
Received: by mail-qk1-x72f.google.com with SMTP id e1so1957294qkm.3 for <tls@ietf.org>; Thu, 24 Jun 2021 05:36:41 -0700 (PDT)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:to:from:subject:message-id:date:user-agent:mime-version :content-transfer-encoding:content-language; bh=iluGC2zPG3cVcYLaseY344iTgZ6PDzeKPol059OdbZg=; b=Ob1oOWvUOSih7WAOqYR1EwWQHyPUAmMcMgPNL/VJ2/bxrC71FGkUQZ2midLWUOXlsL Rnp0hGSgG6Qpk6MPUWW3VPthhKZJ4BqyLwLJ3R54oJhOIMY3wTSnuviKw+CmyVbRL0fm gg0xfv7fevj67bqaql9tPfDN8Tuc9MU3Fn9lmy8I02RdFCTX7HMuOXf+dSOOd1n3vinp sjlKMb0rmAATxHzsBfPKvRV+SIN5MZn6XaszjrNj9oTaH6ACxpxpc+7NkMCP06lNjMWD yScaU7RHVw5RNE77HgiBr6WcvxCsNJhPJ4fwvy9GPWNSFJbOAK3xKvvFaqhMgFmKAFfJ 9LnQ==
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:to:from:subject:message-id:date :user-agent:mime-version:content-transfer-encoding:content-language; bh=iluGC2zPG3cVcYLaseY344iTgZ6PDzeKPol059OdbZg=; b=dFnX/ULocRrliSRA128xFnyrEQtryKUgtv1k9V5CsSddLRhbg3gvdiC2Knz7ELLuXM ATXCz6vEcxl+Ahh2HS27xD8j/n9qGZoSlzsiEBtndlaKI5rzQxi/SS9sTS5eGxtOV7tj G0X4TLoRWoFNtVIMuH4QTshDyY51WMmPfirZfLPOUH8QosQSWDRBlRoiAJcNw8lEoZkJ qKZcAZpKCl9kB7VRzu8JM8521nbHa8v9hvdzkvocXyTZKs5AWtaCMqW4Nrg9JL9j2z7S deRpQt91nj9F9TeyAs23UDLhvxtLqFpLTBWCQakKoIckHY1ZRaSuLywtdAMh87UiWyij TeNA==
X-Gm-Message-State: AOAM532vDLvnqTWuT3VHSIhX7FNafig6ALyv9ZthwaPKYTrhf2sGJ2aZ O/SK5fKFQ4xp0s38+sc3Z5yYsztoGGU=
X-Google-Smtp-Source: ABdhPJy5G0ekbSgosONALNCu7srXwNXTfoPY3hbbfUqbW0akTYrJwOF3uJzmwtA+57sOBnIz/Q4oTA==
X-Received: by 2002:a37:468b:: with SMTP id t133mr5614004qka.244.1624538199209; Thu, 24 Jun 2021 05:36:39 -0700 (PDT)
Received: from ?IPv6:2804:431:d77d:610a::536f:6e69? ([2804:431:d77d:610a::536f:6e69]) by smtp.googlemail.com with ESMTPSA id j7sm2430857qkd.21.2021.06.24.05.36.38 for <tls@ietf.org> (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 24 Jun 2021 05:36:38 -0700 (PDT)
Sender: "Soni L." <fakedme@gmail.com>
To: tls@ietf.org
From: "Soni L." <fakedme+tls@gmail.com>
Message-ID: <3121bfd7-c6cb-4af3-4780-32a9a5b25d8b@gmail.com>
Date: Thu, 24 Jun 2021 09:36:36 -0300
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Content-Language: en-US
Archived-At: <https://mailarchive.ietf.org/arch/msg/tls/JEGzW6NTHuaAaC0_Qno1eDtEno8>
Subject: [TLS] Upgrading TLS session resumption from TLS 1.2 to TLS 1.3?
X-BeenThere: tls@ietf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "This is the mailing list for the Transport Layer Security working group of the IETF." <tls.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/tls>, <mailto:tls-request@ietf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/tls/>
List-Post: <mailto:tls@ietf.org>
List-Help: <mailto:tls-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/tls>, <mailto:tls-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 24 Jun 2021 12:50:42 -0000

What's the story on backwards compatibility between TLS 1.2 session
resumption and TLS 1.3 session resumption? Appendix D. Backward
Compatibility doesn't seem to say anything about it. It seems like TLS
1.2 session resumption is gonna keep using TLS 1.2 even if both sides
support TLS 1.3?