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[PC]Ps3xport by Kakaroto: Manipulez vos données de sauvegarde même en OFW !   

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[PC]Ps3xport by Kakaroto: Manipulez vos données de sauvegarde même en OFW !

Messagepar orwel » Mer 31 Déc 2014 11:55

imagePs3xport est une application du célèbre développeur kakaroto. Cet utilitaire vous permet de manipuler les données de sauvegarde d'une PS3, et ceci même en étant en OFW ! Vous pouvez ainsi créer un backup pleinement fonctionnel "from scratch", mais également modifier des backups existants. Il est possible d'ajouter, supprimer ou encore renommer des fichiers existants. Concrètement, cet outil vous permet d'installer des homebrews, même sur une ps3 en OFW !! Malheureusement, l'absence de la signature NPDRM ECDSA vous empêchera de lancer ces hombrews... Cet outils reste néanmoins très intéressant et offre de nouvelles perspective pour le hack.

Je vous laisse lire l'article de Kakaroto sur la release de son outil :

Ps3xport released!
On December 23, 2014, in Development, PS3, by kakaroto

Hello everyone!

It’s been quite a long time and I’m very happy about that :p
Let’s do the boring part first! This is my final release for the scene, I am not “coming back” or anything like that, so don’t get your hopes up, but I needed to release this so I’d be officially done. I have never actually announced that I’m leaving the scene but everyone figured it out. It wasn’t originally done intentionally actually, but life caught up with me, work, family, lack of time, etc.. so I had little time to work on the ps3. Also, my motivation was mostly gone due to not finding anything interesting anymore, a lot of drama and I’m not a huge fan of all the attention this all brings. I got into the scene because I was curious and I wanted to learn, and I have to say I’ve learned a lot of things these past years and it was an incredible journey, but as I had lack of time and started breathing, I realized that I’ve had enough of it so I left and I am very happy with that decision because you have absolutely no idea how much of a time drain and headache this was :p
Anyways, there was one thing I did just before I left, but I never got to release it, but today is your lucky day as it’s release O’clock where I am!. This release is a way to say Merry Christmas, Happy Holidays, etc.. to everyone, and a way for me to also say “I’m done for good, I don’t have anything left for you in a drawer somewhere” :). I’ve wanted to release this for a while now, and I even made a poll on ps3hax back in March 2012 asking people if I should (looks like ps3hax is down right now so here’s the google cache version) and the general response was not to release it until it can be useful (when an npdrm workaround is found) with some people saying to release if nothing new happens in the scene.. and I think I’ve waited long enough now to know nothing new on that front will happen.

So.. since I’ve announced the release, I’ve seen a lot of speculation about what it is and what it could be.. a lot of people seem to think (or mostly, want/hope for) a downgrade method, unfortunately that’s not the case. I’ve seen some ridiculous suggestions too, like someone asking if it’s a way to run PS4 and Xbox One games on PS3.. I’m sorry to say, that’s not it either :p As I’ve said in a tweet shortly after, this is nothing groundbreaking, this is code that hasn’t been touched in 3 years, so it’s already 3 years old, but I think it’s still something that can be very useful to the community.

So here it is, I’m introducing to you : PS3xport! I’ve uploaded it to my github account here : https://github.com/kakaroto/ps3xport

What does it do? Well, it’s basically a tool for manipulating the PS3 backup data. When I say “PS3 backup”, I’m not talking about a “backup” of a game, no.. I’m talking about the full PS3 hard drive backup that you can do by going to “System Settings->Backup Utility” on your XMB. That creates an encrypted directory on your FAT32 hard drive which allows you to format your PS3 and then Restore it just like it was before. I’ve reverse engineered the file format and encryption and PS3xport allows you to create new backup data from scratch, or dump existing ones, or delete specific files from a backup or do a whole lot of other things to your backup folders. This gives you total control over your /dev_hdd0 and /dev_flash2 filesystems, which will let you install homebrew on any console, even if it’s the latest OFW version. Unfortunately, just like it was 3 years ago, you wouldn’t be able to run those homebrew apps you install due to the NPDRM ECDSA signature missing. If you have your IDPS though for example, it could let you restore a backup from one PS3 to another PS3 without losing any of your data in the transfer.

So.. what’s this about “your IDPS”? yes, the backup has two sets of files, some can be decrypted right away and some can’t because they are encrypted with your IDPS (your unique ps3 device id) which is why they can’t be restored on a different ps3. If you have a CFW, you can easily get your IDPS (I’ve written a small tool to do that, released on github, but apparently MM and Webman will also give you that information) and that will give you total control over your backup data as you would be able to decrypt and reencrypt it. If you have OFW and can’t get your IDPS, then you will not be able to dump/decode all the files from your backup, but you will still be able to create a backup that can be restored on your PS3 with no limitations (this means for example that you can restore a backup from a CFW into an OFW without any issues). I was told however that someone can get IDPS from OFW consoles and in light of this release, they might release their method soon, I can’t say more than that though, but be patient and good things come to those who wait :)

So my release is in two parts. First, the documentation of the file format was added to the ps3devwiki so any developer can understand how the backup archive files are created and can create their own tools. Reverse engineering that format took months of work and I won’t go into too much details about what had to be done to figure out the format but it was an incredibly long and difficult task to do that I had a lot of fun in doing. The second part of the release is of course the release of the ps3xport tool. The tool is quite powerful and you can do a lot of things with it, but it’s a command line only tool and I honestly just tested it on Linux, it’s not really my job at this point to make a windows build, or make a GUI around it, etc.. but I’m sure it won’t be long before others in the scene pick it up and make a nice GUI for it and release windows binaries. I’ve written a nice README file so everyone can understand how the tool works and what it can do. I remember though that 3 years ago just before I stopped working on it, I wanted to add a “AddPKG” command to it which would just ‘install’ a pkg into the backup data automatically, unfortunately, I never got to do it, but it should be easy to do. While I’m at it, I’m also releasing a pkg extraction tool which I found in an old directory (cool thing is the -p option in it, try it…) as well which is a PKG extraction tool that uses the PagedFile mechanism (see below) to allow for very fast pkg file access with very little memory usage even for huge pkg files, any dev can probably mix those two together to add the AddPKG feature to ps3xport.

On the software front, ps3xport.c will parse the commands then use the archive_* API which is in archive.c. That will contain all the functions needed to manipulate the archive files. It uses a ChainedList which is my rudimentary implementation of a GList-like ordered list and the archive API also uses PagedFile objects which are pretty cool. PagedFiles are a wrapper around a file which allows you to read/write to a file using pages (I set it to 64KB per page I think) so it limits the hard drive access. The cool thing about it is that it has encryption and hashing built in, so you can just set the encryption key or ask for the file to be hashed, and whenever you read/write, the encryption will be done transparently, and the coolest thing about it is that you can actually seek in the encrypted file and it will still work (it recalculates the required IV whenever you seek). The encryption there works on the stream, so you don’t need to write blocks of 16 bytes every time (thanks to the paging of the data) and it has a cool ‘splice’ method which allows you to copy data from one PagedFile to another easily, so you could in theory re-encrypt a file using a different key using 5 function calls (open *2, set_key*2, splice).

That’s about it.

I’m really happy about this release, and I want to say Merry Christmas/Happy New Year to everyone, and of course..

So long, and thanks for all the fish!


Comment utiliser cet utilitaire ?


- Tout d'abord, cet utilitaire fonctionne en ligne de commande. Téléchargez donc la version qui correspond à votre système d'exploitation (Windows ou Linux)
- Ensuite, faites un backup de votre console (Paramètres systèmes -> Utilitaire de sauvegarde -> Sauvegarder). Il faudra avoir un périphérique FAT32 connecté sur la console. Les données de sauvegarde sont placées dans un dossier horodaté, dans ce style : USB:/PS3/EXPORT/201412242359
- Il suffit ensuite de lancer la commande de la forme : ps3xport command [argument ...] [command ...]
- Une fois modifié, il vous suffit simplement de ré-installer le backup sur la ps3 !

Nb : Il est possible de restaurer le backup d'une console sur une autre console. Pour cela, vous devrez avoir l'IDPS de votre console. Pour les console en OFW, utilisez IDPStealer pour l'obtenir.

Les commandes supportées par Ps3xport sont les suivantes :

Usage: ps3xport command [argument ...] [command ...]
Commands :
SetKeysFile filename:
Set the path to the keys.conf file (default: keys.conf)
SetDeviceID (HEX|filename):
Set the DeviceID needed for decrypting archive2.dat
SetPSID (HEX|filename):
Set the OpenPSID needed for creating new backups
ExtractPSID backup_dir output:
Extract the OpenPSID from a backup directory
ReadIndex archive.dat:
Parse the specified index file and print info
ReadData archive_XX.dat:
Parse the specified data file and print info
Decrypt archive[_XX].dat decrypted.dat:
Decrypt the given .dat file
Dump backup_dir destination_dir:
Extract the whole backup to the destination directory
ExtractFile backup_dir filename destination:
Extract from a backup a specific file
ExtractPath backup_dir path destination_dir:
Extract from a backup all files matching the specified path
DeleteFile backup_dir filename:
Delete from a backup a specific file
DeletePath backup_dir path:
Delete from a backup all files matching the specified path
DeleteProtected backup_dir
Deletes the copy-protected files from the backup
Add backup_dir directory:
Add the given directory and subdirs to the backup
AddProtected backup_dir directory:
Add the given directory and subdirs to the copy-protected backup
CreateBackup backup_dir content protected_content
Create a new backup with a content dir and a copy-protected content
Set the content path to '-' to ignore it



Téléchargement


ps3xport_Windows.zip

ps3xport_Linux.zip


http://kakaroto.homelinux.net/2014/12/ps3xport-released/Site Officiel : http://kakaroto.homelinux.net/2014/12/ps3xport-released/
https://github.com/kakaroto/ps3xportCode Source : https://github.com/kakaroto/ps3xport
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orwel
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Re: [PC]Ps3xport by Kakaroto: Manipulez vos données de sauvegarde même en OFW !

Messagepar Attila » Mer 31 Déc 2014 14:15

MERCI !
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Re: [PC]Ps3xport by Kakaroto: Manipulez vos données de sauvegarde même en OFW !

Messagepar orwel » Mer 31 Déc 2014 16:22

Cadeau de fin d'année, en profitant du fait que je suis encore à jeun :D
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