The CAT files that prove Windows driver files are signed: some links on decoding them
Posted by jpluimers on 2025/07/23
Maybe in the future I have enough energy to play around more with the Windows .CAT files that are catalog files with digital signatures for Windows driver files (.sys) that can be installed via Windows information files (.inf).
Some links for that:
- [Wayback/Archive] Catalog Files and Digital Signatures – Windows drivers | Microsoft Learn
- [Wayback/Archive] Microsoft Catalog Files and Digital Signatures decoded – Andreas Schneider
- [Wayback/Archive] lib/mscat · master · The Samba Team / Samba · GitLab
- [Wayback/Archive] lib/mscat/wscript · master · The Samba Team / Samba · GitLab
- [Wayback/Archive] Samba: lib/mscat/dumpmscat.c | Fossies
- [Wayback/Archive] Crypto jots on ASN.1 and Microsoft’s .cat files
- [Wayback/Archive] A sledge hammer introduction to X.509 certificates
- [Wayback/Archive] Peter Gutmann’s Home Page: Security Standards
- [Wayback/Archive] ASN.1 JavaScript decoder
- [Wayback/Archive] PKCS7 (X.420:06/1999)
- [Wayback/Archive] mtrojnar/osslsigncode: OpenSSL based Authenticode signing for PE/MSI/Java CAB files
Queries
- [Wayback/Archive] decode windows driver cat file – Google Search
- [Wayback/Archive] “dumpmscat” – Google Search
- [Wayback/Archive] dump microsoft driver cat files – Google Search
–jeroen






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