Punctuation. I had to read it six times to work out what you were trying to say.
>So there's no way to tweak the file to get a specific hash that you want which could say something that you want it to say.
You can monkey with it within limits. Pic (and hash) related.
>I have studied that 4.19 game and the 10.23 game, and I have compared the moves to the stringer posted today, but I can't crack the substitution cypher.
This sounds like dialog from a bad "hacker" movie.