Hacking Help with extracting files using hactool

Ryab · Jun 15, 2018

So I was going to try out this backup loading and the thing thats giving me issues is extracting the files needed from my XCI I need the Romfs.bin and the exefs and ive been messing around with hactool for about and hour and I just cant seem to figure it out.

Swan1360 · Jun 15, 2018

Zyvyn said:
So I was going to try out this backup loading and the thing thats giving me issues is extracting the files needed from my XCI I need the Romfs.bin and the exefs and ive been messing around with hactool for about and hour and I just cant seem to figure it out.

second this maybe im doing something wrong but once i extract the biggest file from secure there is no romfs.bin

WiiHomebrew+Snes · Jun 15, 2018

Same. Tried using the automatic .npdm patcher to open up my .nca to no avail. Tried extracting .nca with hactool gui and it just showed a cmd line for one second and went back to normal.

Finalxfantasy · Jun 16, 2018

Zyvyn said:
So I was going to try out this backup loading and the thing thats giving me issues is extracting the files needed from my XCI I need the Romfs.bin and the exefs and ive been messing around with hactool for about and hour and I just cant seem to figure it out.

Swan1360 said:
second this maybe im doing something wrong but once i extract the biggest file from secure there is no romfs.bin

WiiHomebrew+Snes said:
Same. Tried using the automatic .npdm patcher to open up my .nca to no avail. Tried extracting .nca with hactool gui and it just showed a cmd line for one second and went back to normal.

- Create a new folder and name it Hactool, download the newest Hactool and extract in this folder.
- Download the attached "decr.bat.txt" rename it to "decr.bat" then put it in the Hactool folder.
- Have all your keys in a file and name it "keys.ini" (i.e .ini is the extend/file type) and put in the Hactool folder.
- Copy/move your gamename.XCI you like to decrypt into Hactool folder.
- Drag and drop the gamename.XCI onto the decr.bat
- Once the Hactool/CMD window is done you gonna end up with a "xciDecrypted" folder. The biggest file will be your romfs.romfs.
- Then you have to patch "main.npdm" with some hex editor like HxD.

Tmsrise · Jun 16, 2018

Finalxfantasy said:
- Create a new folder and name it Hactool, download the newest Hactool and extract in this folder.
- Download the attached "decr.bat.txt" rename it to "decr.bat" then put it in the Hactool folder.
- Have all your keys in a file and name it "keys.ini" (i.e .ini is the extend/file type) and put in the Hactool folder.
- Copy/move your gamename.XCI you like to decrypt into Hactool folder.
- Drag and drop the gamename.XCI onto the decr.bat
- Once the Hactool/CMD window is done you gonna end up with a "xciDecrypted" folder. The biggest file will be your romfs.romfs.
- Then you have to patch "main.npdm" with some hex editor like HxD.

Thank you so much. I just got more progress in 5 minutes than I did the entire day. Would you happen to know how to get saving to work? The main thread is a clusterfuck.

Ryab · Jun 16, 2018

Tmsrise said:
Thank you so much. I just got more progress in 5 minutes than I did the entire day. Would you happen to know how to get saving to work? The main thread is a clusterfuck.

if saving didnt work with the donor title you used theres no way to fix it you can try it with another title if you want

Ryab · Jun 16, 2018

Finalxfantasy said:
- Create a new folder and name it Hactool, download the newest Hactool and extract in this folder.
- Download the attached "decr.bat.txt" rename it to "decr.bat" then put it in the Hactool folder.
- Have all your keys in a file and name it "keys.ini" (i.e .ini is the extend/file type) and put in the Hactool folder.
- Copy/move your gamename.XCI you like to decrypt into Hactool folder.
- Drag and drop the gamename.XCI onto the decr.bat
- Once the Hactool/CMD window is done you gonna end up with a "xciDecrypted" folder. The biggest file will be your romfs.romfs.
- Then you have to patch "main.npdm" with some hex editor like HxD.

So I followed this guide to get my keys.ini https://gbatemp.net/threads/how-to-get-switch-keys-for-hactool-xci-decrypting.506978/ and when I drag my xci over the bat file it generates the romfs.romfsbut I can see in the cmd it says Error Section 0 is corrupted saving section 1 to romfs.romfs but wheres my main.npdm?

Deleted-451877 · Jun 16, 2018

Extracting the SECURE partition of a XCI file (no need for keys):

Code:

[path to hactool exe] -t xci --securedir=[path to a directory]

Example:

Code:

C:\Users\[...]\Desktop\Switch\Tools\hactool-1.1.0.windows\hactool.exe -t xci C:\Users\[...]\Downloads\SMO.xci --securedir=C:\Users[...]\Downloads\SMO

Decrypting NCA files the wanted way (keys needed):

Code:

[path to hactool exe] [path to your NCA] -k [path to your keyset file] --romfs=[path to a romfs.bin file] --exefsdir=[path to a exefs directory]

Example:

Code:

C:\Users\[...]\Desktop\Switch\Tools\hactool-1.1.0.windows\hactool.exe C:\Users\[...]\Downloads\SMO\08c1d23a902a841b497f7be217c8ad6d.nca --romfs=C:\Users\[...]\Downloads\SMO\romfs.bin --exefsdir=C:\Users\[...]\Downloads\SMO\exefs

(I don't need to specify a path to my keyset file since I have mine in C:\Users\[...]\.switch\prod.keys, hactool will automatically look for this specific location)

There are a lot of other things you can do with hactool, I really recommend testing things out. Note that it can't create more than one directory, though.

Finalxfantasy · Jun 17, 2018

Zyvyn said:
So I followed this guide to get my keys.ini https://gbatemp.net/threads/how-to-get-switch-keys-for-hactool-xci-decrypting.506978/ and when I drag my xci over the bat file it generates the romfs.romfsbut I can see in the cmd it says Error Section 0 is corrupted saving section 1 to romfs.romfs but wheres my main.npdm?

Missing key/s. Make sure to have all keys in your "keys.ini" and try again.
Main.npdm should be in the xciDecrypted once it's dumped correctly.

SH3RLOCK · Jun 17, 2018

@Everyone here:
Seems like his keys.py is outdated, so it doesn't extract all needed keys (master_key01-03 are missing and some others)!

This will get you an error section 0 is corrupted

Ryab · Jun 17, 2018

SH3RLOCK said:
@Everyone here:
Seems like his keys.py is outdated, so it doesn't extract all needed keys (master_key01-03 are missing and some others)!

This will get you an error section 0 is corrupted

ah that explains it hope someone updates it soon

DaveMode · Jun 19, 2018

I'm stuck here too with the "error section 0 is corrupted" message. Is this the current roadblock to running a game backup?

hassan ali · Dec 18, 2018

Xcidecrypted folder is empty :'(

Trying to get rom.fs folder for pokemon lets go eeve. Wanna randomized it

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