This post was migrated to new location. Please refer this new link for the content - https://techcommunity.microsoft.com/t5/hardware-dev-center/updated-uefi-signing-requirements/ba-p/1062916
Updated Nov 05, 2020
Version 3.0
Blog Post
Hello. How can I sign my .efi file with Microsoft UEFI CA.crt? Maybe I am missing a .key file of Microsoft UEFI CA.crt. So how to get that .key file?