https://devzone.nordicsemi.com/f/nordic-q-a/47095/how-to-encrypt-ble-dfu-zip-filehi, i am doing a project where i have to perform an ble dfu, but our customer wants an encrypted dfu zip file package. so my question is how to encrypt ble dfu zip file and how the device will decrypt the dfu image back and update it self. currentlyen-USTelligent Community 13Thu, 09 May 2019 12:36:36 GMThttps://devzone.nordicsemi.com/thread/186186?ContentTypeID=1Thu, 09 May 2019 12:36:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:dc75443c-d2b5-4c98-a293-7802f1a93effVidar Berg<p>Hi,</p> <p>We don&#39;t have any examples to demonstrate encrypted DFU, but there are some threads on this in the forum which may help you implement it.&nbsp;</p> <p>-&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/22375/dfu-firmware-encryption">https://devzone.nordicsemi.com/f/nordic-q-a/22375/dfu-firmware-encryption</a></p> <p>- <a href="https://devzone.nordicsemi.com/f/nordic-q-a/5871/nrf51822-aes-hw-module-clarification#post-id-31127">https://devzone.nordicsemi.com/f/nordic-q-a/5871/nrf51822-aes-hw-module-clarification#post-id-31127</a></p><div style="clear:both;"></div>