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PSJailBreak Reverse Engineered, Requires Hardware to Update


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204w ago - A few days ago PSJailBreak Reverse-Engineering work began, and today German site GamerFreax.de (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 ├╝berschriebt 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."





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Comments 73 Comments - Go to Forum Thread »

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Takavach's Avatar
#73 - Takavach - 202w ago
This chip doesn't natively support USB. You want chips with USB in the name or ending in U2, U4 or U6.

AmMega is a different company to Atmel. I don't know what this chip does, but it's almost certainly no use...
you mean we built nothing ?? are you saying that the board we built is useless and the chip will not work ? the board that we built is atmega16 not 164 and datasheet is same for both so if 164 will work then 16 should work too !

please don't tell me i was working for nothing ! anybody can help ? the chip needs to be programmed by a programmer i use isp port for programming.

tragedy's Avatar
#72 - tragedy - 202w ago
I build the PCB form Xantra with Atmega164PA
I have seen that this ATMega doesnt have any usb "port"?? Is the 164PA the right on??
This chip doesn't natively support USB. You want chips with USB in the name or ending in U2, U4 or U6.

AmMega is a different company to Atmel. I don't know what this chip does, but it's almost certainly no use...

MatthiasPK's Avatar
#71 - MatthiasPK - 202w ago
hello to all my friends. i need ps jailbreak file for this model of atmega.

please make it or if it does exist please show me.

thanks in advance.
Hello,

I build the PCB form Xantra with Atmega164PA

I have seen that this ATMega doesnt have any usb "port"?? Is the 164PA the right on??

Whitch file i have to copy to the Mega164PA?? The Board is ready but any of the LED'S are shining or the Developer Mode is enabled in my console??

Sry for my english..

kind regards. m.

Takavach's Avatar
#70 - Takavach - 202w ago
hello to all my friends. i need ps jailbreak file for this model of atmega.

please make it or if it does exist please show me.

thanks in advance.

flow2006's Avatar
#69 - flow2006 - 202w ago
hi, one question can you give me the part list and the size of the circuit board i want to build this and i'm not sure that i pick the right parts if i read it out of the plan .thx ...btw sorry for my bad english.

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