Microsoft using Secureboot to lock down ARM
Thanks to a tip from a colleague - Anshu, I found out further confirmation that the Secureboot issue, that I blogged about earlier, is going to bite us badly just as we expected. According to this post of the Software Freedom Law Center, Microsoft has recently revised it’s Windows 8 Hardware Certification requirements to lock out all alternative OSes from the ARM-based mobile devices that it ships on. The Certification Requirements define (on page 116) a “custom” secure boot mode, in which a physically present user can add signatures for alternative operating systems to the system’s signature database, allowing the system to boot those operating systems.