[BOUNTY]Using PSX Images With Native Emulator / $400 + Xperia X1

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AriStar

Senior Member
Mar 29, 2011
158
3
I am recreating this thread (http://xdaforums.com/showthread.php?t=1071054) here and will try to keep it updated:

We want to be able to use the native PSX emulator to use PSX roms like FPSe does.

Current Status:


$20 USD - Tornlogic
$20 USD - johnsongrantr
$20 USD - gwaine
$50 CAD - sdlaurin
$20 CAD - Xplay
$20 CAD - Clyzm
$20 CAD - Levistras
$10 CAD - illuminerdi
$10 CAD - bardiel13
€30 EUR - Nhialor
€20 EUR - maxiiiamsta
€20 EUR - DeareN
€10 EUR - Logseman
£10 GBP - replicant101
£05 GBP - DeadlyDazza
£05 GBP - blickmanic
$40 AUD - Duramajin
$10 AUD - watever
$10 AUD - FrAsErTaG

(If i missed anyone let me know)


$125.20 (120 CAD) + $116.18 (80 EUR) + 32.15 (20 GBP) + 64.67 (60 AUD) + $60 (60 USD) =

USD $398.20

Used XE-Converter at 11:12PM EST on May 31. Someone check calcs please.

ALSO:
$20 USD - admiralnorman If it can be loaded into nook/evo
Xperia X1 In Box - maxiiiamsta
 
Last edited:

bernd.k

Member
Jan 18, 2005
45
8
Hi,

sorry, i don't check it :) Why are you collecting money? Can you buy the code from SE? I would also pay a little bit ;) But i would actually pay more for an overclocking option... its realy slow sometimes...
 

sdlaurin

Senior Member
May 1, 2011
196
35
Put me down for 50.00 canadian for it done on the play

Sent from my R800a using XDA Premium App
 

Blagus

Inactive Recognized Developer
Jun 10, 2010
1,324
1,048
Can someone tell me in which format are these games? Standard ISO? Can it be opened with some archiver like 7-Zip?
 

m3dteam

Senior Member
Apr 22, 2011
113
20
it is openable with 7-zip
the largest file is image.ps about 500mb
there is also another interesting file called ps1_rom.bin
 
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Blagus

Inactive Recognized Developer
Jun 10, 2010
1,324
1,048
it is openable with 7-zip
the largest file is image.ps about 500mb
there is also another interesting file called ps1_rom.bin

Is image.ps openable with 7-Zip too? This should be the actual game.
PS1_ROM.bin should be PS1 BIOS - is it 512kB big?
 

m3dteam

Senior Member
Apr 22, 2011
113
20
it is 257KB big,
image.ps seems to be encrypted, there is not a single readable word when you open it hex editor, I might be wrong.
Also, xxx.zpak doesn't do any compression, it just glues some files together.
here is its layout:
xxx.zpak:
| data
||image.ps
||ps1_rom.bin
|manual
||XXX (the x's are some number with one being AAA and one being ZZZ)(about 40 files)
|metadata.xml (the id is some numbers, I am guessing it is the signature)

I would post the whole zpak here if it was not copy righted
 

Blagus

Inactive Recognized Developer
Jun 10, 2010
1,324
1,048
it is 257KB big,
image.ps seems to be encrypted, there is not a single readable word when you open it hex editor, I might be wrong.
Also, xxx.zpak doesn't do any compression, it just glues some files together.
here is its layout:
xxx.zpak:
| data
||image.ps
||ps1_rom.bin
|manual
||XXX (the x's are some number with one being AAA and one being ZZZ)(about 40 files)
|metadata.xml (the id is some numbers, I am guessing it is the signature)

I would post the whole zpak here if it was not copy righted

What about SE's emulator on the phone? Is it in a form of APK?
Manual should be, logically, manual. Can you upload it somewhere and PM me the link?
 

m3dteam

Senior Member
Apr 22, 2011
113
20
can someone send him the zpak? it is at sdcard:
Android/data/com.sony.../files/content/xxx.zpak

sorry Blagus, but my internet is realy really bad
 

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  • 5
    Who ever is good at reversing should take a look at libjava-activity.so. All crypto functions are in there for instance :
    Code:
    PsCrypt_GetImageToc
    PsCrypt_GetImageTocLength
    PsCrypt_GetPS1RomData
    PsCrypt_GetPS1RomLength
    zpCryptoHelperDecrypt
    zpCryptoHelperInitialize
    and many more. There are also some interesting strings like:
    Code:
    DEFAULT_KEY     DCB "6FDF7334CD2AA96FC3FCEAB7300BEF8B"
    Which is used in the zpCryptoHelperInitialize function i think.
    3
    What about SE's emulator on the phone? Is it in a form of APK?
    Manual should be, logically, manual. Can you upload it somewhere and PM me the link?

    Uploading it right now. Should be up in about 1.5-2 hours.
    2
    I don't know if anyone has said this or not but I think the PSX games are Ports and not emulated. Otherwise we would have a huge list of games already.

    No. The games are emulated, as it happens on the PSP or the PS3. If there are not so much games available is because you have to re-license the game for the Playstation Suite, and that costs money.
    2
    asymmetric encryption is used in ps3 for signing only, read my last two post about bypassing signing checks. Try encrypting 500mb in RSA or ECDSA, or read here about asymmetric encryption:http://en.wikipedia.org/wiki/Public-key_cryptography#Computational_cost

    And yes, I need zpak for a game other than crash to compare it with crash and do some experiments.
    I can buy Syphon Filter and send you the .zpak. Will it be good for you?

    I was thinking of buying it anyways, but if I can shoot two birds with a stone... :)
    1
    the game file is .zpack and cant open with winzip or winrar