https://wiki.debian.org/SecureBoot It is messy. It may be easiest to disable SecureBoot: https://wiki.debian.org/SecureBoot#Disabling.2Fre-enabling_Secure_Boot Otherwise you have to generate your key and add it using MOK: https://wiki.debian.org/SecureBoot#Secure_Boot_limitations "Loading kernel modules that are not signed by a trusted key. By default, this will block out-of-tree modules including DKMS-managed drivers. However, you can create your own signing key for modules and add its certificate to the trusted list using MOK. " On Sun, May 31, 2020 at 12:35:15PM -0400, Richard Klein via WLUG wrote:

I'm trying to build Droidcam. Part of the install process wants to sign a driver: "Secure Boot is enabled, attempting to sign the driver please specify signing key location (or leave empty to sign manually later) You can Google 'secure boot' for your distro

Enter the path of the public key:"

Googling didn't show me a clear answer. Does anyone know what path it's looking for?