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PostPosted: Thu May 12, 2022 2:24 pm 

Joined: Sun May 02, 2021 5:45 am
Posts: 11
Hey all,

I've been looking at the Quake 3 engine PK3 decoder QuickBMS script and was wondering how I would go about performing the inverse of the given "FILEXOR" command, to effectively encrypt a given ".PK3" file that had already been decrypted with the previously mentioned script. I don't really understand how the "FILEXOR" command works, I understand the basics of XOR gates but thats about it.


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PostPosted: Thu May 12, 2022 4:29 pm 

Joined: Sat Sep 28, 2019 7:00 pm
Posts: 606
@GarryOlsen: XOR is reversible operation, so you can actually use the same script to encrypt modified zip file back. It's just output folder should be different from input folder, otherwise it'll try to rewrite zip -> zip (or you can edit script and change "zip" to pk3 or something).

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You can request AES keys on rin forums (the list with keys is also there)
AES keys finder and latest UE4 bms scripts: in this post


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