README.md

re-sign kernel modules to fix issue with secure boot and virtualbox
http://askubuntu.com/a/768310
Forked from @Majal to work on Fedora.

vboxsign

#!/bin/bash
# Sign and load VirtualBox modules

# Run as root
[ "`whoami`" = root ] || exec sudo "$0" "$@"

# Set working directory
dir=/home/$(whoami)
cd $dir

# (Optional) Setting env KBUILD_SIGN_PIN for encrypted keys
#printf "Please enter key passphrase (leave blank if not needed): "; read -s
#export KBUILD_SIGN_PIN="$REPLY"

# (Optional) Decrypt private key. To initially encrypt, run `gpg -c MOK.priv` then shred MOK.priv
#gpg -d --batch --passphrase-file /owned/by/root/.pass MOK.priv.gpg > MOK.priv
echo

# Sign and load modules
for module in vboxdrv vboxnetflt vboxnetadp vboxpci; do
  [ "`hexdump -e '"%_p"' $(modinfo -n $module) | tail | grep signature`" ] && echo -e "\e[93mModule $module is already signed. Skipping.\e[0m" || /usr/src/kernels/$(uname -r)/scripts/sign-file sha256 ./MOK.priv ./MOK.der $(modinfo -n $module)
  printf "$module: "
  echo `hexdump -e '"%_p"' $(modinfo -n $module) | tail | grep signature`
  modprobe $module && echo -e "\e[92m$module successfully loaded\e[0m" || echo -e "\e[91mFailed to load $module\e[0m"
  done

# (Optional) Shred private key
echo
#shred -vfuz MOK.priv