Vista x64 to require digital signatures for many drivers
section: windows, for your questions: KezNews forum, 23.1.2006
Tip: Click here to update all your PC's outdated driversWith little fanfare, Microsoft just announced that the xX64 version of Windows Vista will require all kernel-mode code to be digitally signed. This is very different than the current WHQL program, where the user ultimately decides how they want to handle unsigned drivers.
Vista driver developers must obtain a Publisher Identity Certificate (PIC) from Microsoft. Microsoft says they won't charge for it, but they require that you have a Class 3 Commercial Software Publisher Certificate from Verisign. This costs $500 per year, and as the name implies, is only available to commercial entities.
Also, drivers must be signed for devices that stream protected content. This includes audio drivers that use Protected User Mode Audio (PUMA) and Protected Audio Path (PAP), and video device drivers that handle protected video path-output protection management (PVP-OPM) commands.
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Microsoft x64 PIC Driver Requirements
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