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PostPosted: Sun Sep 03, 2017 6:10 am 

Joined: Thu Sep 24, 2015 9:03 pm
Posts: 12
Trying to open the UPKs for the XCom 2 expansion War of the Chosen. Umodel throws an error about unknown compression. Gildor suggested it was most likely encryption, but possibly custom compression - http://www.gildor.org/smf/index.php/topic,3343.0.html Is someone able to take a look? You can get file samples from the free Propaganda Center demo - http://store.steampowered.com/app/43305 ... da_Center/

WOTC basically repackages the entire base game, so you can compare what should be the same package between the two. For example, Sld_Patterns_SF.upk is 17391 bytes for the original version and 14821 bytes for the WOTC version. Comparing them in a hex editor, the data in the WOTC is completely obfuscated. Some snippets:

https://i.imgur.com/61wRLOb.jpg


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