Official encrypted secure DFU

[nevi]

Hi,

I would like a solution for encrypted OTA firmware update and I just realized that the Secure DFU doesn't enrypt the firmware image just sign it.

I find this Q&A:

https://devzone.nordicsemi.com/f/nordic-q-a/37260/adding-encryption-to-secure-dfu-sdk-v15

But it seems very complicated.

I want to ask if there is a more "official" method for this (with SDK16).

I think this is a very common scenario, so it would be nice if I shouldn't hack nrfutil and the bootloader.

Thanks,

nevi

[tejaChintalapati]

Okay. Does 5340 support Encrypted updates?

[Einar Thorsrud]

Hi,

Yes, that is supported by MCUboot which is the bootloader used in nRF Connect SDK. See Encrypted images.

[tejaChintalapati]

Great! Thanks for the help.