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C – Andreas Schneider

Tagged: C

3

Microsoft Catalog Files and Digital Signatures decoded

TL;DR: Parse and print .cat files: dumpmscat Introduction Günther Deschner and myself are looking into the new Microsoft Printing Protocol [MS-PAR]. Printing always means you have to deal with drivers. Microsoft package-aware v3 print drivers and v4 print drivers contain Microsoft Catalog files. A Catalog file (.cat) is a digitally-signed file. To be more precise it is a PKCS7 certificate with embedded data. Before I...