Hacking Atmosphere-NX - Custom Firmware in development by SciresM

UnobtaniumGamer · Feb 21, 2019

finally, soon i'll be able to do literally everything CFW-related i've been wanting to do since 7.0 hit

thank god for tetris 99, was pretty much the only thing keeping me sane at that point

ZachyCatGames · Feb 21, 2019

alba93 said:
i think it will be released soon

# Changelog
## 0.8.4
+ Support for 7.0.0/7.0.1 was added.
+ This is facilitated through a new payload, `sept`, which can be signed, encrypted, and then loaded by Nintendo's TSEC firmware.
+ `sept` will derive the keys needed to boot new firmware, and then load `sept/payload.bin` off the SD card and jump to it.
+ Recognition of applications for override/mitm has been improved.
+ Nintendo's official Title ID range (`0x0100000000000000`-`0x01FFFFFFFFFFFFFF`) is now enforced.
+ A deadlock condition was fixed involving libstratosphere mitm sysmodules.
+ `set.mitm` and `fs.mitm` were merged into a single `ams_mitm` sysmodule.
+ This saves a process ID, allowing users to run one additional process up to the 0x40 process limit.
+ A `bpc.mitm` component was added, performing custom behavior on shutdown/reboot requests from `am` or applications.
+ Performing a reboot from the reboot menu now reboots to atmosphere. This can be configured via `system_settings.ini`.
+ Performing a shutdown from the reboot menu now works properly with AutoRCM, and does a real shutdown.
+ General system stability improvements to enhance the user's experience.

tfw you’ve already been using most of the stuff for like 1-2 weeks lol

natkoden · Feb 21, 2019

ZachyCatGames said:
tfw you’ve already been using most of the stuff for like 1-2 weeks lol

oh get out

Deleted User · Feb 21, 2019

natkoden said:
oh get out

The warmboot functionality?

SciresM · Feb 21, 2019

ZachyCatGames said:
tfw you’ve already been using most of the stuff for like 1-2 weeks lol

such is the nature of the open source release cycle.

Deleted User · Feb 21, 2019

SciresM said:
such is the nature of the open source release cycle.

So now you can sleep

RattletraPM · Feb 21, 2019

ZachyCatGames said:
tfw you’ve already been using most of the stuff for like 1-2 weeks lol

Y'know, it's going to be difficult after this sept stuff but I may at least try to host nightly builds sometime. I know there was a discord and stuff before but I can't find a proper source for 'em now, so...
Still, it's a big if so don't count on it just yet (I'll have to check how and if it's viable both for the builds themselves, especially if there's enough interest even for just pre-7.0.0 builds and for the hosting) but hey, maybe, just maybe.

UnobtaniumGamer said:
finally, soon i'll be able to do literally everything CFW-related i've been wanting to do since 7.0 hit

thank god for tetris 99, was pretty much the only thing keeping me sane at that point

What's a tetris and why are there 99 of them

it's joke... i can't play it D:

ZachyCatGames · Feb 21, 2019

RattletraPM said:
Y'know, it's going to be difficult after this sept stuff but I may at least try to host nightly builds sometime. I know there was a discord and stuff before but I can't find a proper source for 'em now, so...
Still, it's a big if so don't count on it just yet (I'll have to check how and if it's viable both for the builds themselves, especially if there's enough interest even for just pre-7.0.0 builds and for the hosting) but hey, maybe, just maybe.

He’s including an encrypted build of sept in the release for others to mess around with (it’ll be in sd:/sept/sept-secondary.enc iirc), so as long as he doesn’t update sept very much it shouldn’t really be an issue

RattletraPM · Feb 21, 2019

ZachyCatGames said:
He’s including an encrypted build of sept with the release (it’ll be in sd:/sept/sept-secondary.enc iirc), so as long as he doesn’t update sept very much it shouldn’t really be an issue

Yeah, that's what kind of worries me tbh. I may make a very simple script to compare if it's been changed or not and either include the signed one that's the case to make it 7.0.X compatible or just warn users that the CFW will only boot on <7.0.0.
Still, as it's all really uncertain now and 0.8.4 isn't even released yet I don't really want to overthink it at the moment lol

SciresM · Feb 21, 2019

RattletraPM said:
Yeah, that's what kind of worries me tbh.

What's the worry?

RattletraPM · Feb 21, 2019

SciresM said:
What's the worry?

Nothing, I guess. It's just that I wouldn't want anyone to come crying if a later update changes it and an user downloads a nightly without realizing it won't work on 7.0.0+
...A bit like how it already happened not too long ago lol

ghjfdtg · Feb 21, 2019

Will this encrypted payload finally stop the copy cats?

natkoden · Feb 21, 2019

ghjfdtg said:
Will this encrypted payload finally stop the copy cats?

that'd be sweet but I don't think that's his aim

ZachyCatGames · Feb 21, 2019

ghjfdtg said:
Will this encrypted payload finally stop the copy cats?

No. But they’ll have to directly copy the payload instead of modifying it and rebranding it, so SXOS and ReiNX will be having atmosphere splashscreens soon lol

smf · Feb 21, 2019

SciresM said:
I would like to take this opportunity to observe that June 15th is a date that can occur on literally any real world date, including but not limited to every day that is not the June 15th that occurs 24 hours after June 14th.

Right, someone pointed out that it was becoming likely that the atmosphere June 15th and the real world June 15th could collide.

I was merely giving reasons why I didn't think it was likely.

RattletraPM · Feb 21, 2019

ghjfdtg said:
Will this encrypted payload finally stop the copy cats?

natkoden said:
that'd be sweet but I don't think that's his aim

(I know @ZachyCatGames has already technically ninja'd me, but I wanted to be a bit more in-detail lul)

It's not his aim (although you bet there'll be "conspiracy theorists" all around the forums soon) but well, it depends.
The keys are reportedly hard to get, they cannot be obtained via public stuff like Hekate. sept also has a built-in splash screen which of course cannot be edited as the payload's signed (and it's highly compressed as the payload needs to be quite tiny). So, if said copycats were willing to have an AMS splash screen during the boot process then no, they won't be stopped. Of course, that's up to them to decide.

On the other hand, there's also another scenario (aside signing the payload yourself, but that's a given). If someone has a TSEC exploit at hand then of course, they could use that to boot their CFW. That also technically won't be copying, sure, but it wouldn't be good for the scene for more than one reason, primarily because Nintendo could find and patch it in the next release... and exploits don't grow on trees.

ghjfdtg · Feb 21, 2019

ZachyCatGames said:
No. But they’ll have to directly copy the payload instead of modifying it and rebranding it, so SXOS and ReiNX will be having atmosphere splashscreens soon lol

That's genius :rofl2:

natkoden · Feb 21, 2019

Then that's GG for SX OS...

smf · Feb 21, 2019

ghjfdtg said:
That's genius

No, it's obvious. I did a very similar thing last year.

It's annoying though, I hate splash screens & now I'm going to be stuck with one.

TX will now have to dump the key themselves or buy it from someone, maybe the later is a motivation for the splash screen? It sure was when I did it...

cucholix · Feb 21, 2019

smf said:
No, it's obvious. I did a very similar thing last year.

It's annoying though, I hate splash screens & now I'm going to be stuck with one.

But you only will see this screen the first time you inject the payload, then just go into sleep mode, no need to reload atmos in each gaming session, at least I'm missing something...

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