Hellmark wrote: ↑Sat Sep 13, 2025 5:35 pm
Sent in a copy of the dump to the email, but also have it here.
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MartyMcNuts wrote: ↑Sun Sep 14, 2025 1:10 am
Please don't create separate threads for disc dumps. You should make your post in the Public KeyDB Submissions thread.
Unless Hellmark can create a new disc dump file with an LG/Asus/Buffalo drive there is no point posting to the keydb thread.
Depending on the drive used to create a partial disc dump file, it may be possible to create a new keydb entry. By iterating through all of the media keys in the keydb and using the VID in the
discatt.dat file you can derive a candidate VUK. The candidate VUK can in turn be used to decrypt the encrypted unit keys in
Unit_Key_RO.inf and create candidate unit keys. These candidate unit keys can then be tested against the aligned units in the
kv.dat file and if any unit key works then a complete record (MK, VID, VUK and UK) can be created and submitted to the keydb.
(The _verify_ts function in libaacs details the preferred method of validating unit keys against aligned units)
If no candidate unit key works, then it is possible that the media key is not already in the keydb and adding it will require both the full
MKB_RO.inf file and a disc dump from a non-Pioneer drive. It is also possible that the Pioneer drive used to create the partial disc dump file returns an obfuscated VID and this will also require a different drive to be used.
The disc dump file Hellmark provided falls into at least one of these two possible categories.
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