Homebrew My Secret World DS: is there a way to bypass the password lock?

yokaiwhat

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hi :P I'm new here, and tired, so I'm sorry if I've messed something up!
I recently bought a copy of My Secret World for the DS from a second hand store. It's a diary game aimed at tween girls, I enjoyed the idea of using this random game as my actual journal so I bought it. When I opened it on my 3DS, there was an existing save file (last opened 26 December 2013), but I couldn't access it because I didn't know the 4 digit PIN or the security question. I tried a bunch of super common PINs (like 0000, 1234, 9876 etc) but no luck.

I erased the file (my new diary is going strong, it's actually a fun little game), but before I did I saved a backup with Checkpoint of the original save. I'm curious if there's a way of getting around that lock, without just straight up brute forcing? Is there anything I could use to look into this more? Honestly I'm most interested in the process (if it can be done) than the actual diary.
 
Solution
0x368 or 0x768 offsets in the save file has the recovery answer if you cannot unlock with the PIN, it's in plain-text. For all I know, the PIN could be crypted which requires looking through a debugger.
hi :P I'm new here, and tired, so I'm sorry if I've messed something up!
I recently bought a copy of My Secret World for the DS from a second hand store. It's a diary game aimed at tween girls, I enjoyed the idea of using this random game as my actual journal so I bought it. When I opened it on my 3DS, there was an existing save file (last opened 26 December 2013), but I couldn't access it because I didn't know the 4 digit PIN or the security question. I tried a bunch of super common PINs (like 0000, 1234, 9876 etc) but no luck.

I erased the file (my new diary is going strong, it's actually a fun little game), but before I did I saved a backup with Checkpoint of the original save. I'm curious if there's a way of getting around that lock, without just straight up brute forcing? Is there anything I could use to look into this more? Honestly I'm most interested in the process (if it can be done) than the actual diary.
It's probably stored as plaintext in the save file. Make a backup of a save file with a known pin code, and look at the save file in a hex editor and ctrl+f for your pin (try it both as decimal, and as a string), once you know the offset, look at the same offset in the original save.
 
0x368 or 0x768 offsets in the save file has the recovery answer if you cannot unlock with the PIN, it's in plain-text. For all I know, the PIN could be crypted which requires looking through a debugger.
 
Solution
thank you so much everyone! I did it, the PIN wasn't visible from what I could find but the answer to the security question was in plaintext: "banana split". shoutout to Alicia, who would now be 27 :wtf: hope you're doing well out there and that Annie could come to your sleepover in the end :)

I still haven't figured out the code, that might be a project for another day.
 

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