Why some Windows 8 machines might not be able to boot Linux

Posted by scan2006 on Sep 21, 2011 3:42 AM EDT
mjg59's journal; By Matthew Garrett
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The UEFI secure boot protocol is part of recent UEFI specification releases. It permits one or more signing keys to be installed into a system firmware. Once enabled, secure boot prevents executables or drivers from being loaded unless they're signed by one of these keys. Another set of keys (Pkek) permits communication between an OS and the firmware. An OS with a Pkek matching that installed in the firmware may add additional keys to the whitelist. Alternatively, it may add keys to a blacklist. Binaries signed with a blacklisted key will not load.

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Paladium/Trusted Computing part 3 r_a_trip 2 845 Sep 21, 2011 10:21 AM

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