Hi Carsten
This document looks at a very specific deployment scenario where
resource-constrained devices sign message objects. Therefore, it only
documents the performance of ECDSA sign operation.
I do think the numbers of Elliptic curve diffie-hellman key agreement
are useful for the community and the group should work on documenting
them. I did discuss this with Tobias (off-the-mailing list) and perhaps
those numbers can go in a separate document on minimal G-IKEv2. I
currently have a working implementation of x25519 Diffie-hellman key
agreement on a R Pi but I don't consider it constrained enough. Once I
have more numbers, I will definitely contribute. But for now I strongly
believe that they don't fit into the current document.
--Mohit
On 08/06/2017 02:39 PM, Carsten Bormann wrote:
Hi Mohit,
One point that came up in the discussion in Prague was Diffie-Hellman
performance.
For a deployment that relies on symmetric keys for mutual authentication, it
may be useful to do an (ECC) D-H key agreement to achieve forward security.
I believe some numbers for that are available?
It would be useful to include them in order to motivate the use of forward
secure key agreement.
Grüße, Carsten
On Aug 6, 2017, at 12:18, Mohit Sethi <[email protected]> wrote:
Hi all
The authors of the document believe that it is ready to move forward. During
the previous last call we had already received support from several working
group members.
Based on the feedback during the previous last call, we removed the performance
measurements of RSA key sizes smaller than 2048 bits. We also added performance
measurements of ECDSA sign operation on ARM 32-bit platforms. Additionally, we
improved the text on the need for a random number generator, more guidance on
choosing the right platform, and why larger flash memory size is needed for
firmware updates. We also removed some extraneous text from the background
section. Any further comments are welcome.
--Mohit
On 07/31/2017 04:23 AM, Zhen Cao wrote:
Hello Everyone,
This email starts the WGLC for draft-ietf-lwig-crypto-sensors-03
https://tools.ietf.org/html/draft-ietf-lwig-crypto-sensors-03
This is a second WGLC with the new draft resolving the comments
received from last round.
We still appreciate very much if could you help review the document
and send your comments to the mailing list. Thank you in advance.
The WGLC will end in ONE week till August 7th, 2017.
Thank the authors for their hard work again.
Best regards,
Zhen
On Wed, Feb 22, 2017 at 11:15 AM, Zhen Cao <[email protected]> wrote:
Hello everyone,
This email starts the WGLC for draft-ietf-lwig-crypto-sensors-02
(https://tools.ietf.org/html/draft-ietf-lwig-crypto-sensors-02)
Could you help review the document and send your comments to the
mailing list. Thank you in advance.
The WGLC will end in two weeks from now.
BR,
Zhen
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