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Is a WHQL/HCK certificate required or optional for filter drivers to be loaded and run on Windows 8 RRS feed

  • Question

  • 1. My drivers have already been digitally signed with a kernel signing certificate issued by Digicert, that is a commercial code signing certificate, not a self-signing (test-signed) certificate.
    2. I can install and run the drivers on Win 7 without WHQL/HCK certificate (but have kernel code signed ).
    4. I built the driver with Visual Studio 2012 for Windows 8, and have it kernel code signed by the Digicert code signing certificate. But it was failed to loaded during the windows boot-up. The drive has no WHQL/HCK certificate yet.

    My question is:
    Does filter drivers (e.g. NDIS, Filesystem filters) have to need WHQL/HCK certificates to run on Windows 8 ? Or
    Is a WHQL/HCK certificate required or optional for filter drivers to be loaded and run on Windows 8?

    Any help would be greatly appreciated.

    Thanks

    Wednesday, November 14, 2012 5:13 PM