https://devzone.nordicsemi.com/f/nordic-q-a/60688/hi-how-to-sign-the-dfu-package-using-rsa-keys-regards-bijoshHi, How to sign the DFU package using RSA keys? Regards, Bijosh.en-USTelligent Community 13Mon, 27 Apr 2020 12:25:05 GMThttps://devzone.nordicsemi.com/thread/246823?ContentTypeID=1Mon, 27 Apr 2020 12:25:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:faf4c182-f3de-4d7d-9225-ebfc317c95c2Einar Thorsrud<p>Hi&nbsp;Bijosh</p> <p>There is no support for RSA in the bootloader or nrfutil. It would be possible to add it, but it would require quite a bit of work, particularly since RSA is also not supported by nrf_crypto.</p> <p>Why do you want to use RSA?</p> <p>Einar</p><div style="clear:both;"></div>