jirutka / efi-mkkeys

Script to easily generate self-signed UEFI keys for Secure Boot

UEFI Keys Generator

efi-mkkeys is a simple script to easily generate self-signed UEFI keys (PK, KEK, and db) for Secure Boot, including .esl and .auth files, with a single command.

Requirements

• POSIX-sh compatible shell (e.g. Busybox ash, dash, ZSH, bash, …)

• cat, sed (BSD, Busybox or GNU)

• openssl

• cert-to-efi-sig-list, sign-efi-sig-list from efitools

• uuidgen from util-linux or BSD

Installation

On Alpine Linux

Install package efi-mkkeys on Alpine Linux v3.15 or later:

apk add efi-mkkeys

On Arch Linux

Install package efi-mkkeys from AUR:

yay -S efi-mkkeys

Or use another AUR helper.

Please note that I’m not maintainer of this package.

From Tarball

wget https://github.com/jirutka/efi-mkkeys/archive/v0.1.0/efi-mkkeys-0.1.0.tar.gz
tar -xzf efi-mkkeys-0.1.0.tar.gz
cd efi-mkkeys-0.1.0
make install DESTDIR=/ prefix=/usr/local

…​or just download the efi-mkkeys script directly.

Usage

See the help section in efi-mkkeys (or run efi-mkkeys -h).

See Also

• efi-mkuki — EFI Unified Kernel Image Maker

Resources

• Managing EFI Boot Loaders for Linux: Controlling Secure Boot by Rod Smith

• Unified Extensible Firmware Interface/Secure Boot on Arch Linux Wiki

• Sakaki’s EFI Install Guide/Configuring Secure Boot on Gentoo Wiki

License

This project is licensed under MIT License. For the full text of the license, see the LICENSE file.