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For Windows Vista and later versions of the Windows family of operating systems:
Kernel-mode software must have a digital signature to load on x64-based computer systems.
Boot-start drivers should contain an embedded signature.
Certain configurations of x86 systems require kernel-mode software to have digital signatures in order to access next generation premium content depending on content protection policy.
This paper describes how to manage the signing process for kernel-mode software for Windows Vista.
Included in this white paper:
The Kernel Mode Code Signing Process
How to Disable Signature Enforcement during Development