Re: [Iotops] Group OSCORE message sizes in -iotops-security-protocol-comparison

John Mattsson <john.mattsson@ericsson.com> Fri, 07 April 2023 15:05 UTC

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From: John Mattsson <john.mattsson@ericsson.com>
To: "iotops@ietf.org" <iotops@ietf.org>
Thread-Topic: [Iotops] Group OSCORE message sizes in -iotops-security-protocol-comparison
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Date: Fri, 07 Apr 2023 15:05:32 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/iotops/WnEgtEMkWcRZE1yLE2cDWP0dF7Q>
Subject: Re: [Iotops] Group OSCORE message sizes in -iotops-security-protocol-comparison
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Marco wrote:
>Then you would have a overhead triple  (11, 11, 11), i.e. the Sender ID size does not play a role in the response overhead.

Thanks Marco, fixed in -01

Are the following values for I-D.ietf-core-oscore-edhoc correct?
“EDHOC is typically sent over CoAP which would add 4 bytes to flight #1 and #2 and 5 or 20 bytes to flight #3 depending on if OSCORE is used [I-D.ietf-core-oscore-edhoc].”

Cheers,
John