Enterprise internal Authenticode code signing certificate

Discussion in 'Windows Vista Drivers' started by hq4000, Mar 29, 2007.

  1. hq4000

    hq4000 Guest

    I requested an Enterprise internal Authenticode code signing
    certificate through my IT. I am able to use the certificate to sign
    my kernel driver. Then I proceeded to test the installation of the
    kernel driver in the lab. Following are summary of my testing results:

    1. some machines failed to upgrade an older version of same driver
    (test signed with self-signed certificate created with makecert). 32-
    bit Windows XP SP2.

    2. some machines installed the driver ok but without Digital Signer in
    device driver in device manager view. 32-bit Windows XP SP2.

    3. one machine installed OK with proper Digital Signer presented in
    device manager view. Initially, it also failed as case 1 above. Then
    I played it with certmgr.exe with my certificate and .p7b file that
    contains the company CA chain. I am not sure exact sequence of events
    happened. This is AMD64 Windows XP. And it seems like I am not able
    to reproduce the situation in the other 32-bit Windows XP SP2

    Please note that all machines verified the certificate path OK.
    That's they saw the certificate's my company Root CA OK. Please also
    note that I had ensured that my company Root CA is installed properly
    in Trusted Root Certificatopm Authorities store in localmachine.

    What is going on?
    hq4000, Mar 29, 2007
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