Hello authors of EDHOC,
we have implemented a previous version of EDHOC
(draft-selander-ace-cose-ecdhe) and want to share some experiences.
Our work so far has focused on implementation and evaluation of version -08 of
EDHOC over CoAP using real IoT hardware. The obtained results show a
significant performance improvement compared to other key establishment
protocols, such as DTLS handshake (version 1.2), especially with respect to
length and number of exchanged messages.
We have reviewed version -10 and noted the reduction of message length. Based
on our experience, we propose that also removing the overhead due to security
parameter negotiation could be an important optimization, and relevant in many
use cases where these parameters are available through an out-of-band process.
Accordingly and taking into account that EDHOC provides a basic security
functionality for any context where security needs to be enabled, we are
currently considering the application of this protocol in different IoT
deployments, such as LoRaWAN networks, OSCORE-enabled scenarios or its
integration with capabilities. We therefore would like to see the progress of
EDHOC in standardization.
Kind regards,
--------------------
Salvador Pérez
PhD student in "Future Internet Networks: Infrastructure and Security”
Faculty of Computer Science - University of Murcia
Email: [email protected]
Skype: salva.pf
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