: %APPDATA%\aacs\ (usually C:\Users\[Username]\AppData\Roaming\aacs ).
Find a reputable, community-sourced key database. These files are frequently shared on open-source platforms like GitHub as plain text or configuration files (often named KEYDB.cfg ). 3. Import Keys into Xreveal
XReveal is a prominent tool in the firmware security industry used for the static analysis of UEFI BIOS images. Its primary strength lies in its ability to unpack firmware volumes that are compressed or encrypted using vendor-specific algorithms. Unlike standard compression tools (like 7-Zip) which only handle standard UEFI Compression algorithms, XReveal maintains a database of proprietary "keys" and entropy logic required to process the firmware encryption methods used by major BIOS vendors (AMI, Phoenix, Insyde) and OEMs (Dell, Lenovo, HP).
New movies use new encryption keys. Update your KEYDB.cfg file at least once a month. xreveal decryption key database top
It supports a staggering number of file types, including:
Most databases are static: someone dumps a VUK, uploads it, you download it. Xreveal’s DKD engine can if it has a valid Processing Key and the disc’s Media Key Block (MKB).
The top feature of Xreveal’s database is . While most tools compute hashes on the fly, Xreveal allows you to precompute keys for common encryption algorithms (RC4, AES-128, AES-256). The database stores these precomputed tables, reducing decryption time from hours to seconds. Unlike standard compression tools (like 7-Zip) which only
A university film library owns 500 Blu-ray discs that are no longer manufactured. Several discs from 2008 use AACS version 1.0 with BD+ version 1. Legacy software fails because the old keys have been revoked by newer MKB updates. Xreveal’s historical key database retains retired Processing Keys and Host Private Keys, allowing the archivist to bypass revocation checks—a feature unique to Xreveal’s top-tier database architecture.
| Feature | Xreveal | Passware Kit | Elcomsoft | | :--- | :--- | :--- | :--- | | | Yes (native) | Limited | Yes (with license) | | Self-learning failures | Yes | No | No | | Rainbow table integration | Native | Plugin only | Separate tool | | Decryption key extraction from RAM | Yes | Yes (slower) | Yes (advanced) | | Cost for top tier | $$ | $$$$ | $$$ |
Note that there is a difference between the (the database of keys you download) and keydb.db . The .db file is the local database Xreveal uses to store "My Discs" data automatically, whereas .cfg is for AACS decryption. Troubleshooting: Why Key Database Fails Xreveal has emerged as a lightweight
By enabling this feature in the settings panel and providing a URL to a live-updated KeyDB mirror, Xreveal can query the cloud for a missing key in real-time. This eliminates the need for manual file placements and ensures your decryption engine is always running with the absolute latest definitions.
When it comes to modern disc decryption, Xreveal has emerged as a lightweight, powerful, and free alternative for users looking to bypass protection on DVD, Blu-ray, and UHD media. However, the software itself is only half the battle. To unlock the content on your physical discs, you need access to a robust decryption key database.
[1] Local 'My Discs' Database (keydb.db) ↓ [2] Public/Shared Decryption Key File (keydb.cfg) ↓ [3] Hardware AACS Authentication ↓ [4] Automated Cloud Decryption (Pro Version Only)