微软刚发表，将会对x64 version 的 Windows Vista (及其后的系统) 上所有 kernel mode driver，必须要数码签署

这意味着我们将来自行写的小型 driver，不能随便加载了  

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23/1/2006

With little fanfare, Microsoft just announced that the x64 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 [EUR 412] per
year, and as the name implies, is only available to commercial entities.

http://www.microsoft.com/whdc/system/platform/64bit/kmsigning.mspx

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