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Hashes in Security Catalogs


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#1
mraeryceos

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When I take the hash of a file, and compare it with the hash in the Security Catalog, it doesn't match up.  Maybe the hash listed in the catalog is not of the whole file, just important parts of the file?  If so, is there a tool that will calculate the hash in the Microsoft way?  I could use makecat, but it is a pain having to make a text file before getting the hash.  I haven't tried it yet, so neither do I know if it will work.

 

Also, I can see a list of hashes in the cat file, but I don't know the corresponding filenames.  Is there a cat file viewer that lists the filenames that correspond with the hashes?




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#2
MagicAndre1981

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which hash have you calculated. This should be SHA-1 hash which MS uses.


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#3
mraeryceos

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I calculated SHA-1, using a program called Hash

I searched for the this hash inside the cat files

If I search for a hash I know is in one of the cat files, I can find it


Edited by mraeryceos, Today, 06:26 PM.





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