http://people.salixos.org/jrd/salix/lf-efi-preloader/2013.02.08-x86_64-1cp/SLKBUILD
http://blog.hansenpartnership.com/wp-uploads/2013/HashTool.efi
http://blog.hansenpartnership.com/wp-uploads/2013/KeyTool.efi
http://blog.hansenpartnership.com/wp-uploads/2013/PreLoader.efi
https://svn.code.sf.net/p/edk2/code/trunk/edk2/ShellBinPkg/UefiShell/X64/Shell.efi