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Digital Signatures and PnP Device Installation (Windows Server 2003, Windows XP, and Windows 2000)

Plug and Play (PnP) device installation uses the digital signature of a driver package's catalog file to verify the identity of the publisher of the driver package and to determine whether the driver package was altered after it was published. PnP device installation supports the following types of signature types that can be used for drivers that are released to the general public. Such signatures are collectively referred to as release signatures.

Drivers do not have to be signed during development and test prior to obtaining a WHQL release signature or prior to release-signing with a commercial release certificate. The action that PnP device installation takes to verify a driver signature is the same whether the driver is signed for public release or signed prior to release during the development and test phase.

 

 

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