What is a catalog file in windows 7

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Contents Exit focus mode. Is this page helpful? Please rate your experience Yes No. Any additional feedback? Tip Install. In this article. Privacy policy. A digitally-signed catalog file. A catalog file contains a collection of cryptographic hashes, or thumbprints.

Each thumbprint corresponds to a file that is included in the collection. Plug and Play PnP device installation recognizes the signed catalog file of a driver package as the digital signature for the driver package, where each thumbprint in the catalog file corresponds to a file that is installed by the driver package.

Regardless of the intended operating system, cryptographic technology is used to digitally-sign the catalog file. PnP device installation considers the digital signature of a driver package to be invalid if any file in the driver package is altered after the driver package was signed.

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