mirror of
https://github.com/edgelesssys/constellation.git
synced 2024-12-29 09:26:17 -05:00
1709da0085
Signed-off-by: Paul Meyer <49727155+katexochen@users.noreply.github.com>
67 lines
2.8 KiB
Bash
Executable File
67 lines
2.8 KiB
Bash
Executable File
#!/usr/bin/env bash
|
|
# Copyright (c) Edgeless Systems GmbH
|
|
#
|
|
# SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
# This script generates a PKI for secure boot.
|
|
# It is based on the example from https://github.com/systemd/systemd/blob/main/man/loader.conf.xml
|
|
# This is meant to be used for development purposes only.
|
|
# Release images are signed using a different set of keys.
|
|
# Set PKI to an empty folder and PKI_SET to "dev".
|
|
|
|
set -euo pipefail
|
|
shopt -s inherit_errexit
|
|
|
|
script_dir=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &> /dev/null && pwd)
|
|
templates=${script_dir}/templates
|
|
base_dir=$(realpath "${script_dir}/..")
|
|
pki="${PKI:-${base_dir}/pki}"
|
|
pki_set="${PKI_SET:-dev}"
|
|
|
|
gen_pki() {
|
|
# Only use for non-production images.
|
|
# Use real PKI for production images instead.
|
|
mkdir -p "${pki}"
|
|
count=$(find "${pki}" -maxdepth 1 \( -name '*.key' -o -name '*.crt' -o -name '*.cer' -o -name '*.esl' -o -name '*.auth' \) 2> /dev/null | wc -l)
|
|
if [[ ${count} != 0 ]]; then
|
|
echo PKI files "$(ls -1 "$(realpath "--relative-to=$(pwd)" "${pki}")"/*.{key,crt,cer,esl,auth})" already exist
|
|
return
|
|
fi
|
|
pushd "${pki}" || exit 1
|
|
|
|
uuid=$(systemd-id128 new --uuid)
|
|
for key in PK KEK db; do
|
|
openssl req -new -x509 -config "${templates}/${pki_set}_${key}.conf" -keyout "${key}.key" -out "${key}.crt" -nodes
|
|
openssl x509 -outform DER -in "${key}.crt" -out "${key}.cer"
|
|
cert-to-efi-sig-list -g "${uuid}" "${key}.crt" "${key}.esl"
|
|
done
|
|
|
|
for key in MicWinProPCA2011_2011-10-19.crt MicCorUEFCA2011_2011-06-27.crt MicCorKEKCA2011_2011-06-24.crt; do
|
|
curl -sL "https://www.microsoft.com/pkiops/certs/${key}" --output "${key}"
|
|
sbsiglist --owner 77fa9abd-0359-4d32-bd60-28f4e78f784b --type x509 --output "${key%crt}esl" "${key}"
|
|
done
|
|
|
|
# Optionally add Microsoft Windows Production CA 2011 (needed to boot into Windows).
|
|
cat MicWinProPCA2011_2011-10-19.esl >> db.esl
|
|
|
|
# Optionally add Microsoft Corporation UEFI CA 2011 (for firmware drivers / option ROMs
|
|
# and third-party boot loaders (including shim). This is highly recommended on real
|
|
# hardware as not including this may soft-brick your device (see next paragraph).
|
|
cat MicCorUEFCA2011_2011-06-27.esl >> db.esl
|
|
|
|
# Optionally add Microsoft Corporation KEK CA 2011. Recommended if either of the
|
|
# Microsoft keys is used as the official UEFI revocation database is signed with this
|
|
# key. The revocation database can be updated with [fwupdmgr(1)](https://www.freedesktop.org/software/systemd/man/fwupdmgr.html#).
|
|
cat MicCorKEKCA2011_2011-06-24.esl >> KEK.esl
|
|
|
|
sign-efi-sig-list -c PK.crt -k PK.key PK PK.esl PK.auth
|
|
sign-efi-sig-list -c PK.crt -k PK.key KEK KEK.esl KEK.auth
|
|
sign-efi-sig-list -c KEK.crt -k KEK.key db db.esl db.auth
|
|
|
|
popd || exit 1
|
|
}
|
|
|
|
# gen_pki generates a PKI for testing purposes only.
|
|
# if keys/certs are already present in the pki folder, they are not regenerated.
|
|
gen_pki
|