kernel-sbsign

kernel-sbsign.sh

#!/usr/bin/env bash

kernel="$1"
[[ -n "$kernel" ]] || exit 0

# use already installed kernel if it exists
[[ ! -f "$KERNELDESTINATION" ]] || kernel="$KERNELDESTINATION"

keypairs=(/etc/refind.d/keys/refind_local.key /etc/refind.d/keys/refind_local.crt)

for (( i=0; i<${#keypairs[@]}; i+=2 )); do
    key="${keypairs[$i]}" cert="${keypairs[(( i + 1 ))]}"
    if ! sbverify --cert "$cert" "$kernel" &>/dev/null; then
        sbsign --key "$key" --cert "$cert" --output "$kernel" "$kernel"
    fi
done