The company I previously worked for where looking into adopting EST for
this purpose, the benefit of EST compared to cmp or scep was that it
defined the process for server side generated keys, which could be
beneficial if key generation would be to cumbersome for the device or if
you don't trust the device to generate a "good" key.

Maybe Shahid could give sold more updates since he was helping us with this
project

On Thursday, 2 June 2016, Julien Vermillard <[email protected]> wrote:

> Hi,
> In industrial or enterprise M2M/IoT application we often use PSK for
> authentication, but more and more user want to enroll the device on their
> public key infrastructure like they does with some routers using SCEP/CMP.
>
> I wonder if it was explored to enroll devices, and renew certificates on
> PKI only using CoAP and not HTTP?
>
> --
> Julien Vermillard
>
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