#!/usr/bin/env bash

uki="$3"
[[ -n "$uki" ]] || exit 0

keypairs=(/etc/secureboot/keys/db/db.key /etc/secureboot/keys/db/db.crt)

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