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Cake day: December 16th, 2021

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  • Usually I start debugging this type of thing by killing all instances of steam and then launching it from command line. Steam logs a bunch of good stuff and putting it in context of your interactions helps. That said, based on what you’ve described, I would try older versions of proton, targeting releases back when games were launching. Proton/wine versions don’t always work for all games and sometimes you’ll need to launch particular titles with specific versions. Proton has been absolutely revolutionary, but these issues still pop up. ProtonDB might have reports on specific versions for specific games/titles.









  • Possibly the source of any confusion here is when the encryption and when the compression takes place? Maybe some more details about how you are using xz and encryption would help.

    As far as I can tell, xz doesn’t do anything with signatures or encryption, but it does perform checksums like you stated, which is very cool and I’m glad you shared this.

    Edit: I am re-reading your post above. You are compressing with xz, then encrypting, got it. So yes, if any part of the payload is tampered with, then it would be detected by the decryption, depending on the algorithm, or by the decompression because of the checksums like you said. Sorry for the confusion! You’ve got it all straight lol.