https://devzone.nordicsemi.com/f/nordic-q-a/119202/log-of-firmware-signature-verification-on-nrf52840Now I have a verification work on the nrf52840 development board, which is to verify whether the terminal device will perform signature verification after receiving OTA firmware The current progress is as follows: I changed the private key of the firmwareen-USTelligent Community 13Mon, 24 Feb 2025 10:28:14 GMThttps://devzone.nordicsemi.com/thread/524298?ContentTypeID=1Mon, 24 Feb 2025 10:28:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8c7a496b-f9a2-4a49-bead-407dbdd004eeSigurd Hellesvik<p>Hi,</p> <p>See <a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-9-bootloaders-and-dfu-fota/topic/exercise-2-dfu-over-usb-adding-external-flash/">Exercise 2 – DFU with custom keys</a>.</p> <p>Is this what you need?</p> <p>Regards,<br />Sigurd Hellesvik</p><div style="clear:both;"></div>