Post: Ideas For HDD decryption
11-03-2011, 08:12 AM #1
redmoneydash
Do a barrel roll!
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So that thread about an alternative way to jb got me thinking and that got me to searching the Subject. Right now im trying out PS3 hdd Studio thing (Dont laugh) so i cant really try this out atm this is all the info i have maybe someone could try this or it will spark another Idea

okay here goes..

on You must login or register to view this content. it reads as follows

"You can use any Solaris machine as the install server, as long as it's got the bits needed by the installation (tftp and nfs server). But you need a SPARC machine to unpack the sparc ISO, and an x86 machine to unpack the x86 ISO.

The procedure is to use lofi to turn the ISO image files into block devices, and then mount those. The snag is that the first CD has two slices on it - a regular hsfs slice, and a Solaris UFS slice. So you first need to be able to split it up into those two parts, and then mount the UFS slice. This last bit is the catch - you can only mount a Solaris UFS filesystem on a machine of the same architecture."

Okay whats this got to do with ps3? The PS3 HDD is known to have two UFS partitions also but we cant access them on a PC, its not the same Architecture!!

so what if we can use his method of getting a PS3 HDD to open up by trying to turn the HDD into a block Device (No idea what that is) and continue mounting it on a network like in the guide except only read and write. I know its far fetched but that guy was able to open up a filesystem without the right architecture, Maybe we can too but its an Idea.

Oh and one more thing at You must login or register to view this content. it states that

"the PS3 kernel source is still shared with other architectures such as HPPA, ia64, SPARC etc,...so any changes we make for PS3 must not break the kernel for any of these platforms"

that got me thinking maybe SPARC and PS3 systems have a few things in common.
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The following user groaned redmoneydash for this awful post:

CodingNation
11-03-2011, 11:25 AM #2
AtlasK
Eyes don't lie
Take a look on Graf work Winky Winky
He 've found the offset to disabled the hdd encryption .
With this ,you can plug the hdd on your pc and it will recognize the partition
11-03-2011, 12:32 PM #3
redmoneydash
Do a barrel roll!
i know he did but in order to use the command you need a power pc or that's what i thought.. unless somebody modified files so it can run on x86 i tried his method and states that the kernel is x86 compatible or something like that when i try to run dpkg -i linux*.deb
11-03-2011, 08:37 PM #4
Originally posted by AtlasK View Post
Take a look on Graf work Winky Winky
He 've found the offset to disabled the hdd encryption .
With this ,you can plug the hdd on your pc and it will recognize the partition
that was patched on 3.60fw i believe
11-03-2011, 08:38 PM #5
BriceC
Computer Programmer
Originally posted by redmoneydash View Post
Note to Mods: If you Delete tell me why

So that thread about an alternative way to jb got me thinking and that got me to searching the Subject. Right now im trying out PS3 hdd Studio thing (Dont laugh) so i cant really try this out atm this is all the info i have maybe someone could try this or it will spark another Idea

okay here goes..

on You must login or register to view this content. it reads as follows

"You can use any Solaris machine as the install server, as long as it's got the bits needed by the installation (tftp and nfs server). But you need a SPARC machine to unpack the sparc ISO, and an x86 machine to unpack the x86 ISO.

The procedure is to use lofi to turn the ISO image files into block devices, and then mount those. The snag is that the first CD has two slices on it - a regular hsfs slice, and a Solaris UFS slice. So you first need to be able to split it up into those two parts, and then mount the UFS slice. This last bit is the catch - you can only mount a Solaris UFS filesystem on a machine of the same architecture."

Okay whats this got to do with ps3? The PS3 HDD is known to have two UFS partitions also but we cant access them on a PC, its not the same Architecture!!

so what if we can use his method of getting a PS3 HDD to open up by trying to turn the HDD into a block Device (No idea what that is) and continue mounting it on a network like in the guide except only read and write. I know its far fetched but that guy was able to open up a filesystem without the right architecture, Maybe we can too but its an Idea.

Oh and one more thing at You must login or register to view this content. it states that

"the PS3 kernel source is still shared with other architectures such as HPPA, ia64, SPARC etc,...so any changes we make for PS3 must not break the kernel for any of these platforms"

that got me thinking maybe SPARC and PS3 systems have a few things in common.


1.) Make a dump of your PS3 HDD (connect to your PC via SATA)
2.) Plug HDD back to your PS3
3. Copy a large-dummy file to the HDD
4.) Unplug HDD from PS3, and plug it back into your PC
5.) Dump the HDD image again
6.) Compare the two dumps you know have, and locate the encrypted dummy data (use HxD or any hex editor to do this)
7.) Replace the encrypted dummy data with sections of the data you want to decrypt
8.) Place the HDD back into your PS3
9.) Copy dummy data from PS3 to external media (USB drive/flash drive)
10.) Inspect the dummy file on PC from USB stick/flash drive.
11-03-2011, 11:07 PM #6
GUESS_HU
< ^ > < ^ >
Originally posted by TheEliteSoldier View Post
1.) Make a dump of your PS3 HDD (connect to your PC via SATA)
2.) Plug HDD back to your PS3
3. Copy a large-dummy file to the HDD
4.) Unplug HDD from PS3, and plug it back into your PC
5.) Dump the HDD image again
6.) Compare the two dumps you know have, and locate the encrypted dummy data (use HxD or any hex editor to do this)
7.) Replace the encrypted dummy data with sections of the data you want to decrypt
8.) Place the HDD back into your PS3
9.) Copy dummy data from PS3 to external media (USB drive/flash drive)
10.) Inspect the dummy file on PC from USB stick/flash drive.


You are partially there. why would you inspect the dummy? that doesnt change.
11-04-2011, 12:30 AM #7
BriceC
Computer Programmer
Originally posted by HU View Post
You are partially there. why would you inspect the dummy? that doesnt change.


7.)Replace the encrypted dummy data with sections of the data you want to decrypt
all the way there Smile

---------- Post added at 07:30 PM ---------- Previous post was at 07:29 PM ----------

Originally posted by HU View Post
You are partially there. why would you inspect the dummy? that doesnt change.


the dummy data will be decrypted so you replace it with the encrypted stuff that you want decrypted hence you get decrypted data Smile
11-04-2011, 08:40 PM #8
GUESS_HU
< ^ > < ^ >
Originally posted by TheEliteSoldier View Post
7.)Replace the encrypted dummy data with sections of the data you want to decrypt
all the way there Smile

---------- Post added at 07:30 PM ---------- Previous post was at 07:29 PM ----------



the dummy data will be decrypted so you replace it with the encrypted stuff that you want decrypted hence you get decrypted data Smile


i stopped this just as i figured black ops was rsa encrypted. so i cant remember the full process off the top of my head.
11-04-2011, 09:26 PM #9
BriceC
Computer Programmer
Originally posted by HU View Post
i stopped this just as i figured black ops was rsa encrypted. so i cant remember the full process off the top of my head.


Oh well that's the full process.
11-05-2011, 05:42 AM #10
redmoneydash
Do a barrel roll!
hdd studio is a hell of a way to do that it takes extremely long im trying to find a new way

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