3dsguy

Hi it's me. Hello :)

Hi it's me. Hello :)

I have a 3DS Test Unit, which is capable of installing 3DS/DSi applications compiled in the .cia format from an SD card. So while a way to install applications you create yourself, for normal 3DSs is not possible (i.e. homebrew for 3DS is not yet possible), I am willing to test them for you. If you do make any applications you want me to test, send them in an email with a description of what the application is suppose to do and any instructions. And if you want I can send screenshots and feedback (as detailed as I can) I make about the applications you or others may send. You can send them to "devguy@hotmail.com.au".

I have a [http://n-dev.net/showthread.php?tid=20 3DS Test Unit], which is capable of installing 3DS/DSi applications compiled in the .[[CIA]] format from an SD card. So while a way to install applications you create yourself, for normal 3DSs is not possible (i.e. homebrew for 3DS is not yet possible), I am willing to test them for you. I am also in contact with two other people which I may be able to forward .CIAs to for testing if my Test Unit is incompatible with the .CIA.  

[[File:Sdk.png|600px]]

I've contributed a bit on this wiki, documenting as much info about the 3DS as I can by use of my 3DS Test Unit.  

Please can you post a link to an uploaded example CIA fie?-[[User:Lazymarek9614|Lazymarek9614]] 13:30, 1 November 2011 (CET)

*I've identified most the rules and conventions of CTR title IDs [http://n-dev.net/showthread.php?tid=1276] I'll move it to the wiki when it's ready.

Do you mean one, that someone has sent me? As I do not have any of my own. By the way I will only post links to .cia files if the sender gives me permission.(I have sent an email asking for permission about 5 minutes ago, so I will or will not give a link depending on their response)--[[User:3dsguy|3dsguy]] 14:21, 1 November 2011 (CET)

*I created a page on this wiki documenting [[3DS Development Unit Software]]

Yes, that's exactly what I mean. Is there actually a way that I can create CIA files too?--[[User:Lazymarek9614|Lazymarek9614]] 15:54, 1 November 2011 (CET)

*Also I've made a thread on [http://n-dev.net/showthread.php?tid=20 n-dev.net] documenting 3DS Development Hardware. To my knowledge it is the most accurate ''public'' document regarding 3DS Development Hardware on the internet. If you have any questions regarding 3DS Development Units, you will most likely find your answer in that thread.

I do not know a way of creating .CIA files. its just that [[Jl12]] asked me as part of a set of questions on my talk page:

But what I have contributed is only marginal compared to what [[User:neimod|Neimod]] and [[User:Yellows8|Yellows8]] have done. Most of the stuff on this wiki comes from these dedicated guys. They are the backbone of this wiki.

I said of course, and gave some details. Then, to my surprise, someone responded to that yesterday, emailing me 3 apps to test. This person on the other hand does know how to compile apps in the .cia format and appeared to have access to the DSi SDK from what i gathered from the email. I can tell you that they did not work once installed from the .cia file, but they did install which I was impressed about. But like I said before I'm waiting on a reply on whether I can distribute the .cia files he/she sent me.--[[User:3dsguy|3dsguy]] 22:37, 1 November 2011 (CET)

:This is the problem many people seem to have with the test units. From what I can tell, the only way to actually run some unsigned application (not created by Nintendo) is by programming it on a development flashcard. --[[User:Neimod|Neimod]] 01:11, 2 November 2011 (CET)

:I'm not sure why you deleted your previous post, but I agree that there are '''supposed''' to be different kinds of media (development flashcard, and copying from SD card to internal NAND) that allow running applications on a test unit. However, of these methods, only so far the development flashcard has proven to work with '''unsigned''' code. The problem lies in the fact that the unsigned development CXI image uses a dummy RSA private key to create the RSA signature, while official Nintendo development CXI images use the real deal. So as it stands, no developer can create proper CXI images for CIA importing. --[[User:Neimod|Neimod]] 14:11, 2 November 2011 (CET)

* I sent him 3 pre-compiled apps at first. ( all by Nintendo ). The first two don't boot because they're not compiled with the libs/firmware  running on his test-unit. The 3rd TWL NAND app, doesn't have any icon/banner/title to identify itself after being installed, and although it imports/installs succesfully, it can't be selected or launched from Dev Menu or the Home Menu. Later, I sent him a self-built application ( one not by Nint. ), it installs, boots and runs properly and it just displays some information on the screens; those are the files and images he's linked to here. [the "Hello Galaxy!!!" test-application.]

* They're not unsigned. Dev/test units use a different set of keys then the retail/production units do.

* ''So as it stands, no developer can create proper CXI images for CIA importing.'' - What. I've sent self-built apps to test to 3dsguy and somebody else who owns a test unit running on a different firmware. They work fine. ( Although it's difficult to line up firmware revisions. )

* The one that runs was made (compiled/built) using the SDK/firmware revision matching his test-unit.

* He probably removed the 1st link because I asked him not to post anything with  ( even potentially ) copyrighted contents for the sake of not getting this wiki associated with it, the binaries contained code from an e3 demo and the TWL/DSi SDK, we're not doing ourselves any benefit by posting it. The app that runs ( 'Hello Galaxy' ) is a self-compiled application, so it's probably not going to be mistaken for a game or another commercial application. [thus probably safe for wiki.] [[User:Jl12|Jl12]]

I had a look at your previous post, 3dsguy, where you have posted a download link for a CIA file. We don't know much about CIA files so it was interesting to see a file and look into it. The actual data for the app/tmd/cmd files seems to be encrypted (expected that) there's only some plain text like "Root"", "CA00000004"  and "Root-CA00000004" to name a few (...) which obviously are paths on the NAND FS. However, I've found out that the name of the files/directories (eg name of the app file:"ad7e6744") which are saved on the SD card after installing the archieve seem to be in the CIA file: Not as plain text, they're actually hex values. I'm not really sure about that. It would be nice if you could post another CIA file, 3dsguy, that we can compare them and find out more about it. Shall we actually create a new page about CIA files?--[[User:Lazymarek9614|Lazymarek9614]] 21:48, 2 November 2011 (CET)

== Submitting a .CIA for testing ==

 

Make sure you include:

: If you are right and the format is based on WAD, then it might be little endian (unlike WAD). First there's an unknown byte (0x20) and then 4 bytes (0x20000000), which looks a lot like the header size in WAD (which is 'always' 32, in BE). So if this is the same field, I'm pretty sure it's LE. --[[User:Lesderid|lesderid]] 19:45, 3 November 2011 (CET)

@3dsguy - if the situation changes about being able to get any other test-units please let me know, thanks. [[User:Jl12|Jl12]]

*What the application is supposed to do, and anything you would like me to look out for (outside the actual running of the application)

@[[User:Jl12|Jl12]]: Do you have the Nintendo SDK? If so, can you upload it (correct me if this is a crime)?

*What you would like me to record. i.e. screenshots, values returned, etc

: If I did, I wouldn't be posting it here, see bullet #5 above. -[[User:Jl12|Jl12]]

::Oops, sorry. Maybe can you upload some more CIA files which differs in some cases only like the title name, icon etc.?--[[User:Lazymarek9614|Lazymarek9614]] 18:20, 5 November 2011 (CET)

@--[[User:Lesderid|lesderid]]: "So if this is the same field, I'm pretty sure it's LE." I think it's HE. Is the header size actually 0x20 large? There's always a 0x80 byte after 0x20 bytes...--[[User:Lazymarek9614|Lazymarek9614]] 22:09, 4 November 2011 (CET)

Who ever has the ip "151.26.190.77" living in Campobasso, Italy, stop probing the website where I've hosted the files. There are no SDKs on that website so stop trying find something that does not exist.--[[User:3dsguy|3dsguy]] 13:13, 5 November 2011 (CET)

*Whether or not I can share the .CIA with other people publicly, privately or at all

Just a simple question, 3dsguy. In the CIA page you uploaded a CIA example. Can you upload also the binary format uncrypted,please?--[[User:Jocopoco|Jocopoco]] 07:42, 18 November 2011 (CET)

*The SDK version and revision the application is built with.  

@[[User:Jocopoco|Jocopoco]] - you should ask [[User:Jl12|Jl12]] for it, it's his app after all. If he asks you which one it is it's this one "JlTestApp - test_02.cia"--[[User:3dsguy|3dsguy]] 17:39, 18 November 2011 (CET)

Then once you have all that done send the email to '''devguy@hotmail.com.au'''

:[[User:Jocopoco|Jocopoco]], that CIA isn't encrypted at all, just use ctrtool to extract the CXI and ExeFS.(and anything else) --[[User:Yellows8|Yellows8]] 18:44, 18 November 2011 (CET)

Sure? In the content folder there is a file named [''id''?].app it's encrypted I cant find anything, arm opcodes, text plain --[[User:Jocopoco|Jocopoco]] 19:09, 18 November 2011 (CET)

I didn't know you live in Tokyo!--Matyapiro31 15:38, 3 March 2012 (CET)

Please note that all .CIAs sent are not installed blindly, each have their title IDs checked to confirm that they will not overwrite/damage any irreplaceable/critical titles.