The sample keys, by default, are used by build system to sign bootloader, kernel, IMA signature, RPM and so on. It is used for development and demonstration. The user must know what te risk is to use the sample keys in the product. The user key in a general sense is able to be used in the product with contrary of the sample key. This document defines the definitions for the uses of various keys.

Setup information

Git repository

git:// web repo


meta-signing-key web subdirectory

Last commit: 2 months, 2 weeks ago (master branch)


  • Jia Zhang (Author and maintainer) email


The meta-signing-key layer depends upon:

Recipe name Version Description
key-store 0.1 Key store for key installation
libsign 0.3.2+gitX A generic signing tool framework
sbsigntool 0.6+gitX Utilities for signing UEFI binaries for use with secure boot