I come crossed some AACS v82 BDs.
As I submitted the AACS dumps to svq@makemkv.com and is waiting for an update, I tried FindVUK(and SamuriHL's KeyDB helper) but had no luck.
FindVUK did grab something, later re-validated using KeyDB helper, yet MakeMKV still suffers from decryption errors. (DVDRip seems fine.)
I also synced keydb.cfg via KeyDB helper. Won't help.
My guesses: A. MakeMKV is somehow not recognizing keydb.cfg anyway.
B. FindVUK validated VUKs against 00000.m2ts only, which turned out to be a copyright warning. Real stuff are encrypted w/ other keys. (And I should go to Doom9 to report this if it's the case?)
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Validating disc...
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10:51:04 - ----------- FindVUK 1.82 -----------
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To close FindVUK simply press the ESC key
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10:51:04 - MODE: ValidateDisc
10:51:04 - DriveLetter : D
10:51:04 - SettingsFile: >C:\Users\kaito\Downloads\KeyDB_Helper_1.0.1.5\FindVUK\config\FindVUK.ini<
10:51:04 - Logfile >C:\Users\kaito\Downloads\KeyDB_Helper_1.0.1.5\FindVUK\log\2025-07-17_FindVUK.txt< Default Loglevel >2<
10:51:04 - Update enabled - check for update
10:51:04 - No update required
10:51:04 - Open Main-KEYDB file: >C:\Users\kaito\AppData\Roaming\aacs\KEYDB.cfg<
10:51:11 - Open Backup-KEYDB file: >C:\Users\kaito\Downloads\KeyDB_Helper_1.0.1.5\FindVUK\VUKbackup\KEYDB.cfg<
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10:51:11 - Get basic AACS data
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10:51:11 - AACS folder on disc is reachable - Validate is possible
10:51:15 - VolumeName >BD_ROM<
10:51:15 - DiscId >F13D7878F137E3A4D585CF57ADF688AB3A12A0CB< (2025-06-13)
10:51:15 - DiscType >BD<
10:51:15 - MKB Revision >82<
10:51:15 - Disc-BusEncEnabled >1<
10:51:15 - Drve-BusEncCapable >1<
10:51:15 - ==> Bus Encryption active!
10:51:15 - UnitKeyCount >1<
10:51:15 - >>> UnitKeyENC (1) >54B61B912125C4EFDD260A02031A2298<
10:51:15 - Data read from KeyDB.cfg:
10:51:15 - VolumeId:
10:51:15 - MediaKey:
10:51:15 - VUK:
10:51:15 - UnitKeys (1):
10:51:15 - >>> UnitKeyDEC (1) >A18ED9F0FAA96879DF7E7B468CC66D90<
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10:51:15 - BusEncryption enabled => either ReadDataKey or disabling of BusEncryption required
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10:51:15 - External tool to disable bus encryption defined >"C:\Program Files (x86)\MakeMKV\makemkvcon64.exe" info dev:$DRIVE$ <
10:51:26 - External tool successfully disabled BusEncryption!
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10:51:26 - --- PART 2 --- VALIDATE VUK/UNITKEYS ---
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10:51:30 - Information: no bdmv-meta-dl directory available on disc - cannot read meta-title
10:51:30 - Drive is detected as 'REAL BLURAY' drive
10:51:30 - M2TS files found >4<
10:51:30 - Decrypted first unit of file >D:\BDMV\STREAM\00000.m2ts< with UnitKey >1<
10:51:30 - All UnitKeys are VALID! No need to test other files
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10:51:30 - Validation successful! UnitKeys are valid!!
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10:51:30 - Disc with ID >F13D7878F137E3A4D585CF57ADF688AB3A12A0CB< is already in file - need to compare the details
10:51:30 - -------------------------------------------------------
10:51:30 - VolumeName : BD_ROM
10:51:30 - DiscID : F13D7878F137E3A4D585CF57ADF688AB3A12A0CB
10:51:30 - DateDiscID : 2025-06-13
10:51:30 - DiscType : BD
10:51:30 - VUK :
10:51:30 - MEDIAKEY :
10:51:30 - VOLUMEID :
10:51:30 - >>> UnitKeyDEC (1) >A18ED9F0FAA96879DF7E7B468CC66D90< (Valid)
10:51:30 - MKBrev : 82
10:51:31 - BusEncrEn : 1
10:51:31 - AACS : 1
10:51:31 - BD+ : 0
10:51:31 - -------------------------------------------------------
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10:51:31 - --- Write entry in main-keydb file ---
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10:51:31 - Keys in Keyfile: 167318 keys - KeyFile: C:\Users\kaito\AppData\Roaming\aacs\KEYDB.cfg
10:51:31 - Disc with ID >F13D7878F137E3A4D585CF57ADF688AB3A12A0CB< is already in file - need to compare the details
10:51:31 - KEYDB: Identical entry already present in keydb-file
10:51:31 - >> Identical: TITLE, VUK, DATE, MEDIAKEY, VOLUMEID, UNITKEYS, COMMENT - Different: nothing >> will NOT write new entry in keydb-file
10:51:31 - Identical entry already present in keydb-file - file is not changed
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10:51:31 - --- Write entry in backup-keydb file ---
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10:51:31 - KEYDB: file >C:\Users\kaito\Downloads\KeyDB_Helper_1.0.1.5\FindVUK\VUKbackup\KEYDB.cfg< does not exist ==>> write new entry in keydb-file
10:51:31 - Added line with VUK/UnitKeys to file >C:\Users\kaito\Downloads\KeyDB_Helper_1.0.1.5\FindVUK\VUKbackup\KEYDB.cfg<
10:51:31 - -------------------------------------------------------
10:51:31 - --- Upload MetaXML to OnlineDB file ---
10:51:31 - -------------------------------------------------------
Establishing connection
Establishing connection
HTTP-POST success
10:51:32 - Successfully posted to the OnlineDB! >
Preconditions fulfilled - process upload now
Detected BlurayMetaXML - DiscId >F13D7878F137E3A4D585CF57ADF688AB3A12A0CB<
Upload written to database!
Meta-Upload successfully processed!
<
10:51:32 - Successful upload to OnlineDB
10:51:32 - Eject the disc now from drive >D:\<
10:51:36 - Successfully ejected the media in drive D!
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MakeMKV v1.18.1 win(x64-release) started
Debug logging enabled, log will be saved as C:\Users\kaito/MakeMKV_log.txt
Using LibreDrive mode (v06.3 id=4FBA32AEC678)
Backing up disc into folder "C:/(edited)/BD_ROM"
This disc uses newer version of AACS protection. Please let us know about it by visiting http://www.makemkv.com/a/?WtPiyREQ0MyBw2...
Saved AACS dump file as C:\Users\kaito/.MakeMKV/MKB_v82_BD_ROM_C086.tgz
The volume key is unknown for this disc - video can't be decrypted
DEBUG: Code 0 at `{q#WHE]"p5'4|CK:213132721
DEBUG: Code 0 at n44NxOr>=\%f3xEN<2T:121273319
DEBUG: Code 0 at B`ut4y]!X\p5gw'4V:jX:121265338
Backup failed