Psardumper mod extracts 3.00

Posted Nov 21, 2006 at 1:33PM by QJ Staff Listed in: Homebrew Applications, Homebrew Development Tags: Dark-AleX, Jas0nuk

The excitement keeps on coming this week, with the release of firmware 3.00, the emergence of flashing applications for firmware 2.80, and rumors that Dark_Alex is on the brink of releasing 2.71 SE-C and his Hen D loader.

For PSP developers at least, the excitement keeps on coming with this release from Jas0nuk from our forums that allows you to extract PSP system software v3.00 firmware files. This Psardumper modification allows you to extract (not decrypt) files from 3.00. Just place the 3.00 DATA.PSAR into the root of your memory stick, and use PBP Extractor to get it (Can read PSAR files up to 18mb, 3.00 PSAR is 16.7mb).

We will state again, this Psardumper modification does not decrypt the encrypted firmware 3.00 files (instead it skips them), and therefore will not allow you to emulate it using DevHook or something like it.

However, what it does allow developers to do is take a sneak peak into firmware 3.00 and learn more about how it works. Here's a few things that Jas0nuk has found out about firmware 3.00 by using this mod:

No more ./vsh/resource/1.bmp, 2.bmp, 3.bmp (etc.). Instead, there's now just a 1-12.bmp which is grey. The firmware probably applies a colour overlay onto this.
audiocodec_260.prx and mpegbase_260.prx
Audio/video codecs from 2.60..?
Just 1 certificate in "./data/cert" folder

This application proves that although firmware 3.00 is quite solid in security terms, it isn't uncrackable! Jas0nuk would like to say thanks to Dark_AleX for Psardumper mod, and zshadow for the buffer fix. Remember to report any findings you have using this to the psardumper 3.00 mod release thread!

Download: [Psardumper 3.00 extract mod]
Discuss: [Forum Release Thread]

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Comments

# nooby — Guest 2006-11-21 09:00

first post woot

# good start — Guest 2006-11-21 09:01

this is a good start hopefully it can get decrypted and booster can work his magic

# YESS — Guest 2006-11-21 09:05

that is some good azz news keep up the good work

# old newz — Guest 2006-11-21 09:30

you guys are lacking in news updates, psp-spot.com had this up last night

# Awesome. — nights777 2006-11-21 09:51

Hopefully someone CAN decrypt the files and emulate them on 2.8 or lower.

# No life — Guest 2006-11-21 10:09

People have lives, gazil.

Don't blame the update for being 2-12 hours late, who really cares.

OMG you found out about 3.0 first, please go update now and enjoy it's goodness (lawl 2.71 ftw)

# decrypted — Guest 2006-11-21 10:13

hopfully someone can decrypt this so dark_alex can add the features (like the .prx's and stuff) to 2.71 SE...that would be sick

# Eventually........ — Guest 2006-11-21 10:33

Someone will crack it, especially considering the depth of knowledge gained from manipulating all of the other high number firmwares. The fact is, it will be cracked sooner or later.

# WTF... — Rocker931 2006-11-21 10:37

WTF does this do......

# PRX encryption is completely new — Dark_AleX 2006-11-21 13:02

I'm trying to see what kind of encryption the PRX now use and so far what i found is not good: the encryption does not ressemble at any known encryption method i seen so far. will take a long time to crack.

I dont know if this can be made into a custom fw because the lack of memory on psp's flash. (flash0)

P.S. Expect 2.71 SE-C this week

# d/l dead — Ryu 2006-11-21 15:51

the d.l is dead

# Custom Firmware for 3.00 — Guest 2006-11-21 17:04

Just a suggestion (not requesting it or anything), perhaps a special edition 3.00 could be made for Devhook since there is not enough since there is not enough space in flash0 but there is a sufficient amount of space on the ms.

Not sure if it would work because SE firmwares use two kernals.

Oh, and good luck decrypting 3.00!

# ???? — Guest 2006-11-21 17:29

download here : http://dl.qj.net/index.php?pg=12&fid=11388

I hope later versions of 2.71 se have that vis thing like 3.01 for music

# Lmao. — Guest 2006-11-21 19:56

Best comment ever.

# spam — Guest 2006-11-21 20:32

spam

# Can't get enough of 'em — Guest 2006-11-22 05:59

*****ing *****s... die. *****s shouldn't use expensive electronics anyways. They'd probably trade them in for more Kool Aid and watermelon... *****s make me sick

# dik hed — Guest 2006-11-22 08:59

Ur A PRIK!!!! Mother.Fuc.ker

# ??? — Guest 2006-11-22 16:39

i put the dump2% eboot.pbp file on my psp and started it but quit cause nothing happened , is somthing sopposed to happen?

# ???? — Guest 2006-11-25 18:44

Mine too,can someone make step by step instructions

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