Hacking Help with wud2app

atypicalchaos · May 2, 2017

I've been having a bit of a problem with wud2app. I've been getting the "common key size is wrong" error over and over. I have the program in the same folder as the .wud, along with two key files - one named "common" and the other 'game". The common file uses the "D7B...etc" common key and is formatted X0X00000000XX0XXX0XX0XX00XX0X000 (i.e. when open in a text file, it says nothing but this, there are no spaces or other characters, in the example given I just x'd and 0'd out the real characters, so this is the same amount of digits in the common key I'm using)

Help would be most appreciated

If you need any other additional info please let me know.

*Normally I don't ask questions on here as I usually try my best to scour the forums - I wasn't able to find anything about this particular error - probably because I'm missing something simple...

easyonme · May 2, 2017

Hi,

I've never used this wud2app, but looking at the source code, it looks like it's calling for a "common.key" and "game.key". So this means, that you probably need to create these two files with an hex editor. Instead of having a .txt file with the key written in it, create an empty file and use an hex editor to write the key in it. This will likely solve your problem.

Cheers

atypicalchaos · May 2, 2017

thank you much - I will try this

CosmoCortney · May 2, 2017

ensure the common key file contains the common key as hex, not as string.
on wud2app type in wud2app commonkey.bin gamekey.bin "game name"

atypicalchaos · May 2, 2017

That worked great! Thank you so much - this has irked me for weeks - it takes a lot for me to ask

--------------------- MERGED ---------------------------

actually I just typed wud2app common.key game.key xxx.wud and now I seem to have the install files - I will try to install them in a bit

atypicalchaos · May 2, 2017

Install worked fine. Thank you (both) again.

Booyah2005 · Jun 4, 2020

atypicalchaos said:
That worked great! Thank you so much - this has irked me for weeks - it takes a lot for me to ask

--------------------- MERGED ---------------------------

actually I just typed wud2app common.key game.key xxx.wud and now I seem to have the install files - I will try to install them in a bit

Hi,
I'm having the same issue you were having. I put the common key in a standard text file and changed the end to .key but I'm getting the same error you were getting. How did you fix it??

Jayinem81 · Jun 4, 2020

You're talking to someone who posted 3 years ago, odds of them replying are low.

I can't really help you with the conversion, but you could just install Wii U USB Helper and download all Wii U games already ready to install with Wupinstaller. You just have to Google "Wii U USB Helper reddit workaround" and follow the tutorial to get it to work.

Booyah2005 · Jun 5, 2020

Jayinem81 said:
You're talking to someone who posted 3 years ago, odds of them replying are low.

I can't really help you with the conversion, but you could just install Wii U USB Helper and download all Wii U games already ready to install with Wupinstaller. You just have to Google "Wii U USB Helper reddit workaround" and follow the tutorial to get it to work.

Yeah I know it was a long shot. I already have Wii USB Helper but this is for 007 Legends which isn't on there as it wasn't available on the eshop and my disc is too scratched for disc2app to work. I've got the .wud file and the game key and I have the common key but I can't seem to get into a format that NUSpacker likes. I tried just changing the txt document to .key but it doesn't seem to work and I can't find any other threads with this problem but I'll keep looking.

atypicalchaos · Jun 5, 2020

Booyah2005 said:
Hi,
I'm having the same issue you were having. I put the common key in a standard text file and changed the end to .key but I'm getting the same error you were getting. How did you fix it??

I cant really provide a better answer than the people who answered my question. You have to use a hex editor and you have to convert the key into hexadecimal (i used google to find a web based converter). If memory serves I created a generic file by right--clicking and there was an option for it under "create"..(I would have been using windows 7 at the time) and then edited that file with a hex editor...I'm not 100% about how I created the base file...like buddy said it was 3 years ago

.. But that's how I remember doing it. I assume you could also create a file with whatever hex editor you are using as well

Bonne chance!

Let me know if you make another attempt.

dojafoja · Jun 6, 2020

Booyah2005 said:
Yeah I know it was a long shot. I already have Wii USB Helper but this is for 007 Legends which isn't on there as it wasn't available on the eshop and my disc is too scratched for disc2app to work. I've got the .wud file and the game key and I have the common key but I can't seem to get into a format that NUSpacker likes. I tried just changing the txt document to .key but it doesn't seem to work and I can't find any other threads with this problem but I'll keep looking.

So....is your issue with wud2app or nuspacker? I'm confused

Booyah2005 · Jun 8, 2020

dojafoja said:
So....is your issue with wud2app or nuspacker? I'm confused

The issue was technically with wud2app as I couldn't get it to read the common key but I've sorted that now. Managed to get HxD to work and I've got everything sorted.

I do have one more issue though. All of the games I've installed I've either done using USB Helper or disc2app.

I've got Haxchi and homebrew launcher running fine but I found a few games that wouldn't work. They are all N64 games that I have downloaded from another site as they weren't on USB Helper. They were in Loadiine format and so I converted them using NUSPacker to create the necessary .app files but when I come to install them wudinstaller comes up with an error saying that I need to make sure the files are complete and sigpatch is required for eshop titles.

Haxchi provides the sigpatch if I'm right so is there something wrong with the files I downloaded or have I converted them wrong?

--------------------- MERGED ---------------------------

atypicalchaos said:
I cant really provide a better answer than the people who answered my question. You have to use a hex editor and you have to convert the key into hexadecimal (i used google to find a web based converter). If memory serves I created a generic file by right--clicking and there was an option for it under "create"..(I would have been using windows 7 at the time) and then edited that file with a hex editor...I'm not 100% about how I created the base file...like buddy said it was 3 years ago .. But that's how I remember doing it. I assume you could also create a file with whatever hex editor you are using as well

Bonne chance!

Let me know if you make another attempt.

I got it sorted in the end, it my fault as I wasn't inputting the file into HxD properly but it's all working now

I do have one more issue though. All of the games I've installed I've either done using USB Helper or disc2app.

I've got Haxchi and homebrew launcher running fine but I found a few games that wouldn't work. They are all N64 games that I have downloaded from another site as they weren't on USB Helper. They were in Loadiine format and so I converted them using NUSPacker to create the necessary .app files but when I come to install them wudinstaller comes up with an error saying that I need to make sure the files are complete and sigpatch is required for eshop titles.

Haxchi provides the sigpatch if I'm right so is there something wrong with the files I downloaded or have I converted them wrong?

tyler0887 · Aug 23, 2020

Booyah2005 said:
The issue was technically with wud2app as I couldn't get it to read the common key but I've sorted that now. Managed to get HxD to work and I've got everything sorted.

I do have one more issue though. All of the games I've installed I've either done using USB Helper or disc2app.

I've got Haxchi and homebrew launcher running fine but I found a few games that wouldn't work. They are all N64 games that I have downloaded from another site as they weren't on USB Helper. They were in Loadiine format and so I converted them using NUSPacker to create the necessary .app files but when I come to install them wudinstaller comes up with an error saying that I need to make sure the files are complete and sigpatch is required for eshop titles.

Haxchi provides the sigpatch if I'm right so is there something wrong with the files I downloaded or have I converted them wrong?

--------------------- MERGED ---------------------------

I got it sorted in the end, it my fault as I wasn't inputting the file into HxD properly but it's all working now

I do have one more issue though. All of the games I've installed I've either done using USB Helper or disc2app.

I've got Haxchi and homebrew launcher running fine but I found a few games that wouldn't work. They are all N64 games that I have downloaded from another site as they weren't on USB Helper. They were in Loadiine format and so I converted them using NUSPacker to create the necessary .app files but when I come to install them wudinstaller comes up with an error saying that I need to make sure the files are complete and sigpatch is required for eshop titles.

Haxchi provides the sigpatch if I'm right so is there something wrong with the files I downloaded or have I converted them wrong?

Could you possibly walk me thru what you did in the HxD? I have two plain text files that i turned into ".key" files and they didnt work and simply opening and saving them from HxD also did not work. I am trying to get COD-Ghosts where I can install it using WUPInstaller but I cannot get past this point. Thanks!

godreborn · Aug 23, 2020

you can check the key with u wizard. I vaguely remember playing around with it. you'll need a few keys to get it to work, which you can look up. it will calculate the sha-1 to verify if the key is correct. each game wud has a unique key even by region I believe. there was a site with lots of them that kept shifting to other urls so nintendo didn't find out. I don't know if the site still exists. however, I never found a game where I couldn't find the key.

Hacking Help with wud2app

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