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Re: [rtcweb] draft-ietf-rtcweb-security-arch-09: DTLS 1.2 only?

Bernard Aboba <bernard.aboba@gmail.com> Tue, 06 May 2014 03:03 UTC

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From: Bernard Aboba <bernard.aboba@gmail.com>
Date: Mon, 05 May 2014 20:03:24 -0700
To: Andrei Popov <Andrei.Popov@microsoft.com>
Archived-At: http://mailarchive.ietf.org/arch/msg/rtcweb/MqaFcf9ShelQQm-CMHx5bGxb9NQ
Cc: "rtcweb@ietf.org" <rtcweb@ietf.org>
Subject: Re: [rtcweb] draft-ietf-rtcweb-security-arch-09: DTLS 1.2 only?
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At the moment, the choice of GCM seems to be generating more heat than DTLS 1.2 :(

> On May 5, 2014, at 3:38 PM, Andrei Popov <Andrei.Popov@microsoft.com> wrote:
> 
> Just to confirm: does everyone think it’s a good idea to require the use of DTLS 1.2?
>  
> Cheers,
>  
> Andrei
>  
> From: rtcweb [mailto:rtcweb-bounces@ietf.org] On Behalf Of Andrei Popov
> Sent: Wednesday, April 16, 2014 3:32 PM
> To: rtcweb@ietf.org
> Subject: [rtcweb] draft-ietf-rtcweb-security-arch-09: DTLS 1.2 only?
>  
> draft-ietf-rtcweb-security-arch-09. says:
>  
> “ [[OPEN ISSUE:  Are these the right cipher suites?]]  All
>    implementations MUST implement the following two cipher suites:
>    TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 and
>    TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 …”
>  
> These are (D)TLS 1.2 cipher suites; I think this requirement would exclude DTLS 1.0 implementations. For easier/broader adoption, would it make sense to allow DTLS 1.0?
>  
> Cheers,
>  
> Andrei
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> rtcweb@ietf.org
> https://www.ietf.org/mailman/listinfo/rtcweb

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