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Hacker checks out PS3 HDD

A console hacker has performs an analysis of the contents of the PS3 hard drive. He reveals information such as the HDD is encrypted with a Sony proprietary format, each HDD is individualized and an interesting block pattern occurs after 380MB.

Hackers findings on PS3 HDD

1. The HDD is encrypted with a (most probably) Sony proprietary format.

2. If Linux is setup on the machine, the HDD will contain the relevant ext2 or ext3 partitions, but it will NOT be visible to a regular OS. This is because, the HDD does NOT have a standard partition table. If one uses WinHex to scan the HDD, then the program will find the ext2/ext3/swap partitions at their respective offsets.

3. A program has been written to scan blocks of 16bytes for where contiguous data is on the HDD. This program has identified major blocks of data on a freshly formatted 60GB HDD.

4. Of major interest is that right around the 380MB marker, we start seeing blocks of 64KB data, and this repeats itself EVERY 183.72MBs. Why does a system need 64KB worth of markers every so often, is a mystery at the moment.

5. Each HDD is "individualized" the moment it is formatted on a particular PS3 unit. An individualized HDD CANNOT be used in another PS3 unit due to (in theory) a unit based signature being written to each HDD.

6. A project is underway to "individualize" 2 same make and model (Seagate Momentus 60GB 2.5" SATA) HDDs and perform a byte level diff to spot differences in the disk layouts.

7. This diff will also be analyzed by the data block scanning program mentioned in Item-3 above.

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