ROM Hack exefs_7x and exefs_norm? What does it mean?

ChrisX930

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Today I wanted to decrypt "Harvest Moon - The lost Valley" and I found something that I never seen before when i created XORPADs.
There are two Main.exefs xorpads, one with _7x and one with _norm.
What does it mean?

7xt4ut9.jpg
 

sbJFn5r

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With 7.x encrypted content, only a part of the ExeFS uses the new crypto. Instead of embedding the ExeFS header into the ncchinfo.bin, decrypting it and working out the offset and size of the .code section and generating a mixed xorpad, I got lazy and just had it generate two xorpads. You can merge them with the MEX.py script.
 

Asia81

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You can use it

MEX.py EncryptedExeFS.bin *exefs_norm.xorpad *exefs_7x.xorpad outputExeFS.xorpad

You will need Python anx MEX tool
 

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