[PS4] The PS4 Hacking Thread!
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Adebisi




Posts: 1810

PostPosted: Wed, 26th Oct 2016 17:42    Post subject:
Not sure if i will update, i'm on 4.01 and have 2 games with all DLC/Patchs so i don't need online for now.
BTW it's possible to stay online but not updating to 4.05, but then i can only update my games and can't go into PSN store without latest update, right?
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Janz




Posts: 14000

PostPosted: Wed, 26th Oct 2016 17:52    Post subject:
correct, just pause the updatedownload and you are fine. but you cant login to the psn. game updates will download and install just fine
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Adebisi




Posts: 1810

PostPosted: Wed, 26th Oct 2016 18:12    Post subject:
Thanks mate.
So for now i can do fine without online but when i'm done with Fallout 4 and Dying Light i won't be able to buy games/DLC. For the next 2-3 months i guess i can hold off.
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Horrordee
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Posts: 8868
Location: England
PostPosted: Wed, 26th Oct 2016 19:21    Post subject:
Really can't see anything materializing. But then again, I hope I am wrong.

Feels like the Wii U scene over a year ago with that troll idiot who kept the tempgba douchebags going for like a whole year.


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JackQ
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PostPosted: Thu, 27th Oct 2016 11:16    Post subject:
Finally releaed it?
https://mobile.twitter.com/ChaitinTech/status/791560084585271296


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Horrordee
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PostPosted: Thu, 27th Oct 2016 15:08    Post subject:
What does this actually mean for us, Mr Q?


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JackQ
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PostPosted: Thu, 27th Oct 2016 15:28    Post subject:
From what I understand it's only part of the ROP tools.. not the full exploit yet..

We will have to wait and see what more(if) will be released..


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Horrordee
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PostPosted: Thu, 27th Oct 2016 15:48    Post subject:
Such trolls. The whole scene. In fact all scenes these days.

I miss the good old days where they weren't all attention whores.


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Horrordee
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PostPosted: Sun, 30th Oct 2016 11:11    Post subject:
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JackQ
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Posts: 14186
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PostPosted: Tue, 1st Nov 2016 06:54    Post subject:
Quote:
Following their PS4 SDK Decryption Method testing news and echoes of Something Big on the way, today PlayStation 4 scene release group TRSi updated their latest NFO file with the following PS4 iSO dump hints, to quote in part:

DRAGON_QUEST_BUiLDERS_DAY_ONE_EDiTiON_PLUS_DLC_READNFO_PSV-TRSI / DRAGON QUEST BUiLDERS DAY ONE EDiTiON PLUS DLC READNFO PSV TRSI


Code:
| EVERYONE wants to know about PS4/X1 - ALL I CAN SAY IS, ITS GETTING |
| CLOSE / HOPEFULLY IT WILL STAY in the wild people.. The back surge  |
| of ps4 crap is going to be insane.. speaking of we through out that |
| World of Final Fatasy ISO PS4 just to get the systems setup / kick  |
| the tires..         

|
Well, that isn't much to go on yet but... at least there is still hope on this haunting Halloween 2016 evening! :pumpkin:

Cheers and beers to @MrBone for the news in the PSXHAX Shoutbox!


https://www.psxhax.com/threads/playstation-4-scene-release-group-trsi-on-ps4-iso-dumps-and-hints.990/

Hoplefully something Good,TRSI are actually legit scene group instead of the Sellout joke Chtech Rolling Eyes


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NFOAC




Posts: 6015
Location: India
PostPosted: Tue, 1st Nov 2016 07:37    Post subject:
Why would scene group make a noise about it.
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NFOAC




Posts: 6015
Location: India
PostPosted: Wed, 2nd Nov 2016 07:14    Post subject:
https://twitter.com/Pokemon_Disco?ref_src=twsrc%5Etfw

@ChaitinTech @CTurtE You have helpt me alot with your work
Ps4 Scene, Get Ready, 5th November #PSXHAX
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JackQ
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PostPosted: Wed, 2nd Nov 2016 07:37    Post subject:
Yea I posted it earlier but decided to delete it... I don't want to create hype for something that's not fully confirmed yet...

Of course,I am fully hoping from my heart it's true...


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NFOAC




Posts: 6015
Location: India
PostPosted: Wed, 2nd Nov 2016 09:51    Post subject:
Seems like 5th Nov they are releasing some downgrader
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Horrordee
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Location: England
PostPosted: Wed, 2nd Nov 2016 10:25    Post subject:
Nice! (but not that helpful unless it's possible to run backups on earlier versions of the FW). And you cannot run the latest games on the super old FW because the newer FWs contain essential code, right?

If it's real it's a hardware downgrade which doesn't work on 4.05 FYI.


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cyclonefr




Posts: 7017

PostPosted: Wed, 2nd Nov 2016 10:49    Post subject:
It doesn't really contain essential code, just new set of keys.

PS4 works the exact same as PS3 and every new major firmware contains new set of keys that are indeed mandatory to decrypt new games executables.

And yeah it looks like hardware downgrade. It is not worth it if you ask me, unless you wanna play FIFA 14 Very Happy


Last edited by cyclonefr on Wed, 2nd Nov 2016 14:06; edited 1 time in total
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Horrordee
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PostPosted: Wed, 2nd Nov 2016 11:35    Post subject:
lol.

so the FW revisions don't introduce new CPU/GPU functions etc that newer games take advantage of?


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Janz




Posts: 14000

PostPosted: Wed, 2nd Nov 2016 14:03    Post subject:
its most likely the same with old ps3 games. most of them worked with spoofed cfw version. some really needed higher firmwares cause of some functions.

and they surely know how to dump games etc till now, they most likely just hold it back till its ready for a public release. and ofc like in the ps3 days -> every release till now is useless and needs a rerip. and once the system is broken it wouldnt be a problem to make higher cfw versions (though it might be a problem to get them running on consoles shippe with high firmware versions; history repeats itself)

but thats only my speculation, we will see in a few days. i dont even need a cfw now, a simple dongle stuff would be nice for the start (my calculator is ready Razz)
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cyclonefr




Posts: 7017

PostPosted: Wed, 2nd Nov 2016 14:08    Post subject:
Yeah sometimes FW do introduce new functions..

Have in mind that most, if not all, PS3 games still work on 3.55 (with a few tweaks).


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Watto1020




Posts: 351

PostPosted: Wed, 2nd Nov 2016 14:45    Post subject:
cyclonefr wrote:
It doesn't really contain essential code, just new set of keys.


if that is the case - is it possible to inject the new keys into an older fw that you would downgrade to and allow newer games to run?
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cyclonefr




Posts: 7017

PostPosted: Wed, 2nd Nov 2016 15:02    Post subject:
Of course but at this point, just like we did on PS3, it's much easier to decrypt game executables from the PC directly and reencrypt with old keys...

Or sign them as debug self (fake self) like we are doing in Vita.

But have in mind that getting these keys is quite complicated and usually if one can't have an exploit on the latest firmware than one cannot have those keys... kinda what happened with PS3 : as soon as we managed to get keys, we could pwn new firmware anyway...

Rendering the whole key thing useless...

On vita WE don't have them, we just decrypt game from vita memory (the console itself).

That works but obviously if you can do it on latest firmware then it means you can already run unsigned code in the first place and thus no need to stay on an older firmware...

So yeah it's gonna be a long long while until we can have proper piracy on PS4.

At this point for people that never bought a PS4 there are many <4.0 games.... could be interesting... but 1.76 ? Come on, who cares about old shit ?
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Janz




Posts: 14000

PostPosted: Wed, 2nd Nov 2016 15:08    Post subject:
ps3 games were always ripped on the console itself werent they? i dont see a problem if they have a similar method for ps4 too
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cyclonefr




Posts: 7017

PostPosted: Wed, 2nd Nov 2016 15:45    Post subject:
Problem isn't about dumping the games.
Like on PS3 yes you need to dump them from the console because the disc themselves are encrypted in both consoles (PS4 in a big package mounted as PFS).

This key is the same for all firmware.

Problem is the eboot.bin (game executables) which is encrypted with different keys per firmware version.

Good luck on decrypting post 1.76 ones Smile


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The_Leaf




Posts: 1542
Location: Italy
PostPosted: Wed, 2nd Nov 2016 17:21    Post subject:
cyclonefr wrote:
Problem isn't about dumping the games.
Like on PS3 yes you need to dump them from the console because the disc themselves are encrypted in both consoles (PS4 in a big package mounted as PFS).

This key is the same for all firmware.

Problem is the eboot.bin (game executables) which is encrypted with different keys per firmware version.

Good luck on decrypting post 1.76 ones Smile


I speak from ignorance and curiosity, you seem to be knowledgeable about the topic, so maybe you can answer me:

From what you write I gather that each new firmware has its own set of keys for decrypting game exes. My question is, what exactly is the thing that makes it hard to extract those keys from the updated firmware files?
I mean, I assume those firmware files are encrypted themselves (with a key embedded in the console itself?) but if we're running a hacked 1.76 (or whatever) can't we "hook" into the software process that updates the firmware and "snatch" the keys? Or is there some dedicated hardware involved so that the new firmware is just written "raw" in its encrypted form to the disk and decryption only happens via hardware at boot?
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cyclonefr




Posts: 7017

PostPosted: Wed, 2nd Nov 2016 19:34    Post subject:
"Or is there some dedicated hardware involved so that the new firmware is just written "raw" in its encrypted form to the disk and decryption only happens via hardware at boot?"

This ! And not the disk but to the NOR.

¨Making it hard but not impossible to get keys...

The_Leaf wrote:
cyclonefr wrote:
Problem isn't about dumping the games.
Like on PS3 yes you need to dump them from the console because the disc themselves are encrypted in both consoles (PS4 in a big package mounted as PFS).

This key is the same for all firmware.

Problem is the eboot.bin (game executables) which is encrypted with different keys per firmware version.

Good luck on decrypting post 1.76 ones Smile


I speak from ignorance and curiosity, you seem to be knowledgeable about the topic, so maybe you can answer me:

From what you write I gather that each new firmware has its own set of keys for decrypting game exes. My question is, what exactly is the thing that makes it hard to extract those keys from the updated firmware files?
I mean, I assume those firmware files are encrypted themselves (with a key embedded in the console itself?) but if we're running a hacked 1.76 (or whatever) can't we "hook" into the software process that updates the firmware and "snatch" the keys? Or is there some dedicated hardware involved so that the new firmware is just written "raw" in its encrypted form to the disk and decryption only happens via hardware at boot?
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Janz




Posts: 14000

PostPosted: Wed, 2nd Nov 2016 19:44    Post subject:
"all" they need is a complete broken up firmware, once someone achieves that (most chances were and are still on 1.76 to achieve that) everything is possible even for a up2date firmware. i still think some people managed to do that and developed stuff to enable homebrew and gameloaders. just waited after the announcement of the ps4 pro for it to ship and to check if their stuff still works on the newest fw for it. its simple as that, if someone would have published something which leads to a complete cfw of current versions (speaking of 3.55 and 4.05) sony would have had enough time to fix that and close the door. if im right we will get the usual cat and mouse game with plus points for the crackers (cause of the possibility of spoofing fw versions etc)
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Shawn_Hunter




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Location: Bombay, India
PostPosted: Wed, 2nd Nov 2016 20:17    Post subject:
My question is what exactly was done during the PS3 CFW point which took us out of the 3.55 dormancy stage?

I mean I remember talks about how they obtained the "private keys" and then everything was pretty much fucked for Sony. The CFW folks never had to worry about anymore firmwares blocking anything from thereon. Fuck, that is something we need with the PS4 too.

So what's the equivalent of that on the PS4?
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Janz




Posts: 14000

PostPosted: Wed, 2nd Nov 2016 21:14    Post subject:
nobody knows for ps4 here yet, we dont even have the initial first required thing yet. and thats a cfw

about the ps3 stuff, honestly i dont know anymore. my ps3 died several times and when i resurrected it the last time 3.55 cfw was still enough for everything
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cyclonefr




Posts: 7017

PostPosted: Thu, 3rd Nov 2016 01:30    Post subject:
Shawn_Hunter wrote:
My question is what exactly was done during the PS3 CFW point which took us out of the 3.55 dormancy stage?

I mean I remember talks about how they obtained the "private keys" and then everything was pretty much fucked for Sony. The CFW folks never had to worry about anymore firmwares blocking anything from thereon. Fuck, that is something we need with the PS4 too.

So what's the equivalent of that on the PS4?


Geohot out of nowhere published on his blog public keys for most loaders, including metldr which was the highest in the chain of trust after bootldr, where both cannot be updated by firmware updates.

This allowed us to decrypt every file from firmware updates, and find keys in it. Early on, Sony barely hid them and they were almost in plain text after appldr was decrypted.

Then, because nobody published lv0 public keys (some loader that is used on PS3 for some reason I don't remember what for), Sony had the idea on 3.60 to skip metldr altogether on the chain of trust, and rather embed a new secure metldr (metldr2, that uses new public keys that never leaked) in lv0 itself, since lv0 could be updated by firmware update.

That allowed Sony to re secure their console and prevent us from decrypted any 3.60+ material.

Then JuanNadie managed, from 3.55 obviously, to understand how bootldr decrypts lv0 when booting a PS3, and managed somehow to dump a bootldr and get lv0 public keys (they are in clear text in bootldr obviously).

This was when Sony stopped changing keys because all their loaders got compromised from the chain of trust.

I don't have in mind the PS4 chain of trust, but technically if the chain of trust is compromised from the highest loader, it will be owned forever.

Same shit happened with the 3DS lately, rendering new firmware updates useless because you can look in them in "clear text".

So far, it's not the case on PS4, nor it is on 1.76.

But as said above, obviously 1.76 would be easier to hack the PS4.

But have in mind that it's not that easy to dump the chain of trust of a console : see for example, the Vita is still secured because nobody managed to pwn the whole chain of trust (yet?)....
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JackQ
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PostPosted: Thu, 3rd Nov 2016 05:38    Post subject:
Shawn_Hunter wrote:
Fuck, that is something we need with the PS4 too.


We need 2(or more?) thnigs for this to happen...

1. Someone find some really good exploit that can't be patched(rgh style) That allows to get the kernel(and more) no matter what FW...

2.Get the mltdr and lvl 0 keys.. That less possible with exploit considering PS3's case was fetal mistake Sony did with the console the way they encyrpted the keys... Unless you can speed up the process of quantum computing so we can actually use more efficient algorithms...

What is most likely is "JB per FW" which sadly will get patched in days to week,but at least you will have opportunity to hack the console.. You may still be able to run "backups" or homebrew this way.. but there will be most likely some limits.. like FW+ games won't be able to work unless someone find new exploit/workaround... or get keys..


P.S the dwongrade thing reportedly is fake Sad


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