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PUPXtractor v0.3 - PUP Unpacker for PS3 is Now Available


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239w ago - Although it's been quite awhile since his previous update, French developer Ac_K has now [Register or Login to view links] PUPXtractor to version 0.3 for Sony's PS3 entertainment system.

Download: [Register or Login to view links] / [Register or Login to view links] [Mirror] / [Register or Login to view links]

Below are the changelog and details, roughly translated:

v0.3:
• HMAC SHA-1 Added.
• Little Improvement of UI.
• Download of 3.21 / 3.30 Added.
• Preview of Updated_Files.tar Added.

To quote: "Critics I'll make sure to extract the files in Updated_Files.tar but it'll be good once more useless!

My program proposes the extraction of the same files... And gives you the HMAC that goes with allowing you to use!

By cons, for the repack, that is where the concern arises, you just give me a simple DOS command that lets you paste files with each other, the concern is that if you change even if one file, the HMAC necessarily change, so there you HMAC takes a file from another version and AC is set.

But the thing is that you have an HMAC of all the PUP, and therefore there like you can not recalculate your PUP is invalid.

So in any case, without calculating the HMAC key, nothing can repacker swapping or I do not know what files."



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PS3 News's Avatar
#10 - PS3 News - 239w ago
Quote Originally Posted by tjay17 View Post
What exactly does this let you do?

Short answer: it unpacks the Sony .PUP Firmware updates so that you can extract and examine the files inside of them.

ionbladez's Avatar
#9 - ionbladez - 239w ago
Quote Originally Posted by tjay17 View Post
What exactly does this let you do?

honestly, if you need to ask - you don't need to know. there is a description posted and if you cannot understand it then there is a search function as well

I see enough of this going on, just new people registering without reading other things and jumping to conclusions..

tjay17's Avatar
#8 - tjay17 - 239w ago
What exactly does this let you do?

kakashigr's Avatar
#7 - kakashigr - 239w ago
The question is, why are they not encrypted? Does this mean that the checks the Core OS does to the PUPs are on a layer which doesn't use encryption? Or the PUP gets encrypted while loaded?

Maybe this is the road we should follow..

tragedy's Avatar
#6 - tragedy - 239w ago
The PUP files themselves are not encrypted, just authenticated (presumably SHA1 hash, but not verified).

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