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Re: [dispatch] Review of draft-campbell-sip-messaging-smime-00

Alexey Melnikov <aamelnikov@fastmail.fm> Wed, 08 November 2017 11:38 UTC

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From: Alexey Melnikov <aamelnikov@fastmail.fm>
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Date: Wed, 08 Nov 2017 11:38:01 +0000
Archived-At: <https://mailarchive.ietf.org/arch/msg/dispatch/oE21iE65i0p-rJ6YW_W9pSHQpV8>
Subject: Re: [dispatch] Review of draft-campbell-sip-messaging-smime-00
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On Mon, Nov 6, 2017, at 02:54 PM, Cullen Jennings wrote:
> 
> Relevant comments ...
> 
> I have implement S/MIME for encryption with SIP and Simple and I think
> this document provides some excellent clarifications and updates. 

I have implemented S/MIME signing and encryption in email. I found the
document to be well written and have good level of details.

> I agree with the the new MTI ciphers. 

I think I mostly agree with this, although I have to ask why certain EC
curves (like 25519) are not recommended, considering recent work in
Curdle/Lamps WG.

> Overall, I think the update in this draft improves the security defined
> in SIMPLE and MSRP.

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