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Guide: How to Reconstruct PS3 SELF Files After Decrypting

300°
194w ago - Today netkas (linked above) has shared a brief guide on how to reconstruct PS3 SELF files after decrypting them for PlayStation 3 developers.

To quote: Here is a little, noob-unfriendly howto about recreating ps3 apps after you have decrypted it

as example, I will talk about vsh.self, which everyone on jb ps3 can find in /dev_flash/

1) decrypt it with graf_chokolo's payload, you will get two files after all, lets call them vsh.0 and vsh.1

2) compress these files with zlib, I use zpipe for it ([Register or Login to view links])

cat vsh.0 | ./zpipe > vsh.0z
cat vsh.1 | ./zpipe > vsh.1z

size of files:

6951464 2010-12-05 02:06 vsh.0
2930941 2010-12-05 04:04 vsh.0z
338832 2010-12-05 02:06 vsh.1
133356 2010-12-05 04:04 vsh.1z

3) going into vsh.self
look at 64-bit big endian value at 0x290 - 0x0000000000000900 (2304 decimal), its start of first segment (vsh0) in vsh.self, next 64bit BE value at 0x298 is size of this section - 0x00000000002cb8fd (2930941 decimal) , perfectly matched to size of out vsh.0z
 

Commodore 64 / C64 Emulator for PS3 is Coming Soon

500°
194w ago - Today news of a Commodore 64 / C64 emulator for PS3 has arrived from AreaScout via PSGroove (linked above).

Not much information is available on this C-64 PlayStation 3 GameOS port for PS3 JailBreak users just yet except for the following details, to quote:

"It seems just about anything and everything is getting ported to the PS3. News comes to us, that a dev by the name of AreaScout, has undertaken a project, to port a Commodore 64 emulator to the PS3. Information is limited on this project, however, two screenshots from the project have surfaced and are located below.

Expect more information as it becomes available to us."

Some pictures are available below of the C64 PS3 emulator port!


 

Rumor: PS3 Master Key / Device Key Finally Uncovered?

1200°
194w ago - As a follow-up to the Infectus and E3 Card Reader PS3 Downgrader news, today the PS3 Break Team (and the PS3Key/EcliPS3 Teams) have also confirmed they have a PlayStation 3 Downgrader for 3.50 Firmware consoles incoming.

Below is a picture, and the announcement from their site, linked above:

Currently, news spreads on Internet regarding some brand dongle companies have capable of downgrading PS3 firmware from v3.50 to v3.41.

PS3Break dongle is ultimate testing. It will be officially launched in the next few days! please expect together !

So it appears all of the PS JailBreak PS3 modchip clone devices will utilize the PS3 downgrader functionality, and here is to hoping a free version also surfaces soon.



 

Tales of Graces F Demo English PS3 JailBreak Patch is Released

400°
194w ago - Today AerialX has released a Tales of Graces F demo English patch for PS3 JailBreak users.

Download: Tales of Graces F Demo English PS3 JailBreak Patch

Below are the details from [Register or Login to view links], as follows:

An English patch of the officially released Tales of Graces F PS3 Demo. Currently requires a PS3 with firmware 3.41, a USB key or harddrive with ~450mb of free space, and a jailbreak device with a payload that supports peek/poke installed (we do not support the PSJailbreak dongle).

Instructions

1. Download the r3volition patcher package, [Register or Login to view links].
2. Download the Tales of Graces F Demo package, [Register or Login to view links].
Skip this step if the demo is already installed on your PS3, or if you wish the PS3 to automatically download the demo for you.
3. Place the packages on your USB stick or drive.
4. Boot your PS3 with the exploit, and use the package installer in the Games menu to install r3volution.pkg
 

Simple File Manager v0.1 for PS3 JailBreak Arrives

650°
194w ago - As a follow-up to his previous work, today graf_chokolo has done it again and posted his code for decryption of PS3 SELF files using appldr.

Looks like he still can't decrypt game or NPDRMs selfs but soon pehaps.

Download: Graf Chokolo PS3 SELF Decrypter PSGroove Payload

To quote from xorloser's blog (linked above): Guys, i promised to you to make my SELF decrypter public. I just uploaded it Let me first explain how it works.

I used only HV calls in my code because i wanted to learn how to decrypt SELFs without GameOS. The decryption and decompression of SELFs is done by isolated module appldr which is prepared and loaded by lv1_undocumented_function_99. After appldr is loaded it sends a message and waits for your instructions to decrypt some encrypted segments. When the message arrives i pass encrypted segment data to appldr through shared memory and it decrypts the passed data. When the decryption is done the payload sends the decrypted data over network to my PC and i capture it with tcpdump

I’m using IDA to analyze the decrypted code....
 
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