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Re: [MMUSIC] draft-4572-update: Spec contains references to a number of obsoleted RFCs

Christer Holmberg <christer.holmberg@ericsson.com> Tue, 03 January 2017 08:04 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Martin Thomson <martin.thomson@gmail.com>
Thread-Topic: [MMUSIC] draft-4572-update: Spec contains references to a number of obsoleted RFCs
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Date: Tue, 03 Jan 2017 08:04:01 +0000
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References: <7594FB04B1934943A5C02806D1A2204B4BF50A9B@ESESSMB209.ericsson.se> <7594FB04B1934943A5C02806D1A2204B4BF50DF5@ESESSMB209.ericsson.se> <CABkgnnWLw7QPLd6qtgN1C-Pg+UHim6s=QK0EFgkYViQy8Ad2oQ@mail.gmail.com> <7594FB04B1934943A5C02806D1A2204B4BF53260@ESESSMB209.ericsson.se> <CABcZeBNGm27Hf4mrGosjpAMOYSc2_O-4q72-HNpC5g0D_mhKzQ@mail.gmail.com>, <CABkgnnUBJ7VxRPpsVAebp4cLS6pgk6osWCV3AF-5JyTTZKvLrg@mail.gmail.com>
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Cc: "Jonathan Lennox (jonathan@vidyo.com)" <jonathan@vidyo.com>, "mmusic@ietf.org" <mmusic@ietf.org>, "Cullen Jennings (fluffy@iii.ca)" <fluffy@iii.ca>
Subject: Re: [MMUSIC] draft-4572-update: Spec contains references to a number of obsoleted RFCs
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Hi,

I am fine to also remove MD5. However, I want to make sure we don't bring back Cullen's backward compatibility issues.

Regards,

Christer


Sent from my iPhone

> On 3 Jan 2017, at 4.28, Martin Thomson <martin.thomson@gmail.com> wrote:
> 
>> On 3 January 2017 at 05:03, Eric Rescorla <ekr@rtfm.com> wrote:
>> Given the threat model here, I think we want to tell people to ignore MD*
>> (i.e., treat it as an unknown hash) and to accept SHA-1 (though perhaps only
>> temporarily). Accordingly, I propose removing MD2 and MD5 from this grammar,
>> but leave SHA-1.
> 
> 
> That makes sense.  These busted hashes will then appear to be
> unsupported extensions.

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