Again, the master key you want is the common key, you have to find it
yourself.
Here's how you decrypt the partition:
Put the encrypted title key in a file using a hex editor and name it titlekey.bin, enter the following:
Code:
openssl enc -d -aes-128-cbc -K "common key" -iv "first 8 bytes of the title ID followed by 8 bytes of 0" -nopad -in titlekey.bin -out titlekey_dec.bin
After that you open titlekey_dec.bin using a hex editor, you'll find the decrypted title key there.
Then decrypt the partition. (Hint: decrypt every cluster then stack them together)
(Not tested, but should work)
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"which can be obtained from the partition header"
How did I forget about this?