New answers tagged decryption
4
FindCrypt is not supposed to find your key, it's supposed to find fixed, known constants associated with well-known cryptographic algorithms. You can see the byte patterns it's looking for in its database.json. It has done exactly what it was supposed to do. Your job as a reverse engineer is to look at the cross-references to the tables that it found and see ...
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Both ZIP and JPG files have well known magic numbers at the start of the file. For examples, ZIP files start with the two letters "PK" (most likely as the initials of Phil Katz, the developer of PKZIP), followed by the bytes 03 04 to indicate a "file header".
If all you know is that the files are an encrypted ZIP file and a JPG image, ...
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I'd comment but I don't have rep.
If you're still looking into it or anyone else comes across this, zcu
indeed seems to be the way to go. I've managed to use it for a router that uses the same encryption key (ZXHN H267A V1.0) and the re-encrypted file seems byte-perfect.
It's not instantly obvious (at least with this particular key), but the answer is quite ...
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Notepad++ returns this illegible mess because the file is not meant to be interpreted as human-readable text. That doesn't necessarily mean it's encrypted (but that's a possibility).
I'm assuming that it's a savegame file and you are probably looking to change some value (like the amount of money your character has). You could try opening this file in a hex ...
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