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TrueAncestor EDAT Rebuilder v1.2 / v1.25 for PS3 by JjKkYu Released


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69w ago - Following up on his previous updates, today PlayStation 3 developer JjKkYu has released TrueAncestor EDAT Rebuilder v1.2 followed by v1.25 with details below.

Download: [Register or Login to view links] / [Register or Login to view links] / PS3 SDAT/EDAT v3 and v4 Keys

Changelogs:

v1.25:

1. Add subfolder traversal in edat/sdat folder.
2. Fix 2G+ file handling issue (probably).
3. Fix syntax issue while handling certian edat files.
4. Re-adjust the mainmenu.

v1.2:

1. Add SDAT file supporting.

v1.1:

1. Fix Java OutOfMemory for encrypting big files.
2. Add JVM Memory config in toolcore.cfg.

v1.0 Features:

1. Decrypt and encrypt edat files on pc.
2. Fast rebuild mode.
3. Batch mode.
4. Dev Klic should be input manually at now.

It seems Windows 8 cannot pass the java check.. maybe fix it in next version.

Finally, from oakhead69: Hi jjkkyu, If you have based your code on my C# code which in turn is based on the port by KDSBest. There is a significant bug in the reverseByteWithSizeFIX code.

It will fail the hash check on some data blocks, hench KDSBest removed the test. More importantly when generating the hash for the data blocks during encryption, the hash will be incorrect. Hench the resulting SDAT/EDAT will be bad. I have attached some updated code below.




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Comments 234 Comments - Go to Forum Thread »

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EiKii's Avatar
#14 - EiKii - 139w ago
so the scetool 0.1.2 version is released, i guess this is the version thats supposed to work with 3.56

Its great to see some devs working on the ps3 still

Download: [Register or Login to view links]

Below is a read out of Naehrwert's SCETool as well: [Register or Login to view links]


Also from naehrwert via Twitter:

  • scetool now supports compression of data sections!

EiKii's Avatar
#13 - EiKii - 139w ago
seems like naehrwert found that hes SELFs are working on 3.56. And are working on a update of scetool yet again (0.1.1 doesent make valids - twitter.com/#!/naehrwert/status/153570111750545408)

  • no it seems 3.56 doesn't check for it, only 3.56+
  • But not generated by version 0.1.1, I'll release a fixed one soon!
  • apparently NPDRM SELFs generated by scetool DO work on 3.56 lol
  • [Register or Login to view links]



lets hope this helps KaKa

smokyyuwe's Avatar
#12 - smokyyuwe - 139w ago
Today naehrwert (twitter.com/naehrwert) released an update to scetool. No new information was added.

For those interested version 0.1.1 can be found here: [Register or Login to view links]

miandad's Avatar
#11 - miandad - 140w ago
thx for info , when they release it .. !

and i'm noob dont know about reverse the eid.. can you ask them about Lv2diag.self signed for 3.60 or 3.70+ for downgrade?

PS3 News's Avatar
#10 - PS3 News - 141w ago
Here are a few quick updates from naehrwert (twitter.com/naehrwert) for those following:

  • haha just figured the eid3 algo, nice!
  • KaKaRoToKS and I added basic NPDRM support to scetool
  • SELF generation works now for SPU and PPU, except for compressing the data and NPDRM
  • added SPU SELF generation to scetool

Also from his site: nwert.wordpress.com/2011/12/24/individual-infos/

Individual Infos

One of the PS3′s console specific cryptography works as follows:

At factory time there is a console specific key generated, probably from a private constant value and a console specific seed. Maybe that’s the key used for encrypting bootldr and metldr. Fact is, that metldr stores another console specific keyset (key/iv) to LS offset 000000. That keyset is probably calculated from the first one. At factory time the isolated root keyset (how I call it) is used to encrypt the console’s “Individual Infos”, like eEID.

But not the whole eEID is encrypted the same way, special seeds are used to calculate key/iv pairs for the different sections. And not even that is true for every eEID section, because for e.g. EID0 another step is needed to generate the final section key(set). Each of the isolated modules using such an “Individual Info” has a special section that isoldr uses to generate the derived key(set)s.

But the generation works in a way, that the section data is encrypted with aes-cbc using the isolated root keyset, so it is not possible to calculate the isolated root keyset back from the derived key(set)s, because aes shouldn’t allow a known plaintext attack. So far I can decrypt some of EID0′s sections, EID1, EID2 and EID4. EID5 encryption should be similar to EID0′s but I lack the generation keys for that one.

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