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August 26, 2010 // 8:00 pm - A few days ago PSJailBreak Reverse-Engineering work began, and today German site (linked above) has posted a breakdown of the PSJailBreak, how it was reverse engineered and notes that it requires additional hardware to update.

Below is the rough translation of the PS JailBreak reverse-engineering details, to quote:

"We have the PSJailbreak dongle yet again brought out of retirement to put it more precisely Herbs to take a closer look. We tell you here in brief the main steps of the internal process of PSJailbreak.

We can confirm that it can not confirm that PSJailbreak a clone of Sony's "Jig" is module. PSJailbrak is an exploit honest self-developed. The chip is not but a PIC18F444 ATMega with software USB.

This means the chip is internally capable of USB to emulate. PSJailbreak mainly be emulated 6Port a USB hub connected to a specific end USB devices and then disconnected. One of these devices has the ID of Sony's "Jig" module, which means that played in the development of PSJailbreaks the "Jig" module, a certain role.

But let's start at the front: When the PS3 is clamped in the USB emulation device, which has a much too big Configuration Descriptor. This Descriptor überschriebt the stack with a PowerPC contained code that is executed. Now, various USB devices are connected in the emulation. A device has a large 0xAD Descriptor, which is part of the exploit and contains static data.

A short time later (we are moving here in Milisekundenbereich) the jig module is connected, and encrypted data are transmitted to the module jig. A (in Milisekundenbereich) eternity later, the answers Jig 64Byte module with static data, all USB devices are disconnected, a new USB device is connected and the PS3 launches with a new look.

64Byte static data that is emulated by the PS3 64Byte Jig sent to the static data that is emulated by Jig sent to the PS3

Extract from the USB stream Extract from the USB stream (pictured below).

Incidentally PSJailbreak is NOT updateable. The Update feature can be mentioned, if realized at all, only with additional hardware."

PSJailBreak Reverse Engineered, Requires Hardware to Update

PSJailBreak Reverse Engineered, Requires Hardware to Update

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#32 - donnyboy1189 - August 26, 2010 // 8:48 pm
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once devs have a look at all the requirments to create a cloned dongle, would there be no way emulate the same process on a pc, and set up our own jig e.g usb to usb no dongle required??

#31 - atlask2 - August 26, 2010 // 8:33 pm
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A great find will be to inject pjb code in a signed pkg. Clones are coming , just wait a month..

#30 - xUb3rn00dlEx - August 26, 2010 // 8:19 pm
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Can any devs care to elaborate the difficulty of re-creating the dongle with the recognized parts? Instead of dishing out the insane price tag, how easy/ expensive would it be just to DIY your own little dongle, load up the software (once that is freely available) and bada bing you have your exploit?

#29 - whinis - August 26, 2010 // 8:14 pm
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Quote Originally Posted by tjay17 View Post
If it is not update-able how will it work with future games?

The stick is just a accesser, the backload will still be updatable.

#28 - tjay17 - August 26, 2010 // 8:09 pm
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If it is not updatable how will it work with future games?

#27 - ModderFokker - August 26, 2010 // 7:31 pm
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This kinda worries me "Incidentally PSJailbreak is NOT updateable. Das erwähnte Update-Feature lässt sich, wenn überhaupt, nur mit zusätzlicher Hardware realisieren. The Update feature can be mentioned, if realized at all, only with additional hardware."


#26 - Mafo - August 26, 2010 // 7:02 pm
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that's even better news isn't it? this makes that whole rant about this not being a real hacker kinda void no?

#25 - tjay17 - August 26, 2010 // 6:45 pm
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OK, so it is an original exploit and not a jig that has been cloned.

#24 - BwE - August 26, 2010 // 6:30 pm
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it would prob only be updated through the xmb, but if they say the pc, then it has to be :S

at least the firmware of the usb or something :S somehow :S


all i know is, im buying a psjailbreak - why? because no matter what happens you cant just grab a usb and make one. you'll eventually have to buy SOMETHING sometime.

#23 - whinis - August 26, 2010 // 5:00 pm
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Now question for devs, how easy would it be for sony to fix this ?