Device Identity Key in nrf9160

Dear Nordic Support-Team,

 I am trying to documentation on the Device Identity key in the nrf9160. I found something here: https://infocenter.nordicsemi.com/topic/ref_at_commands/REF/at_commands/security/cmng_set.html as key type

6 – Device identity public key.

but no further documentation. I am able to use this key to verify a JWT created on my device, but I would like to understand more before actually using it in an application.

According to this https://docs.nordicsemi.com/bundle/nrf-cloud/page/SecurityServices/IdentityService/IdentityOverview.html#process, only nrf91x1 devices have a dedicated Identity Key pair.

Thanks

Stefan

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