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DRLTools DRLGen v0.90 - Easy PS3 Blu-ray Playback Fix Arrives


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208w ago - A few weeks ago among some other work-arounds we reported on a project aiming to fix PlayStation 3 Blu-ray drives for those who downgraded their console, and today the group has released DRLTools DRLGen v0.90 suite offering an easy to use PS3 Blu-ray playback fix.

Download: DRLTools DRLGen v0.90 for PS3

From the included ReadMe file:

BACKGROUND

Our quest to restore BD playback for those PS3s that lost it after downgrading continues. Unfortunately our project suffered a serious setback last week when one of our discoveries was prematurely leaked: A potentially harmful and incomplete method to restore BD playback was disclosed by an attention-seeking individual. It should be noted that the fix in question is only a "band-aid" solution to the problem.

There is a very real possibility of future drive revocation resulting in PERMANENTLY broken playback! However, to make using it safer for those who wish to apply it, we have created this collection of DRL Tools. In the meantime we are continuing to work on a permanent and simple solution for all PS3s.

The tools in the suite are:

• DRLbackup v0.90 (PS3 pkg used to backup DRL1 / DRL2 files to a USB drive)
• DRLgen v0.90 (Windows .net 2.0 application to derive DRL1 / DRL2 files from an MKB_RO.inf file)
• DRLcopy v0.90 (PS3 pkg to restore previously backed-up DRL1 / DRL2 files or to copy derived DRL1 / DRL2 files from DRLgen)

HOW IT WORKS

Each Blu-Ray movie contains a Media Key Block (MKB) as part of its copy protection scheme. Newer movies feature higher MKBs; the latest one is MKB v20. Addtionally, each BD movie has a unique encrypted title key. Both are stored inside the AACS/MKB_RO.inf file of each disc.

Fixing BD playback requires exact knowledge of which was the first instance of the highest MKB played so far. DRLgen can be used to identify the Blu-Ray movie with the highest MKB, and then create replacement DRL1/2 files for your PS3 which then restore BD playback.

REQUIREMENTS

1. A means to access Blu-Ray title discs to gather the AACS/MKB_RO.inf file, a Blu-Ray drive in a Mac / Windows PC makes the process easiest. Alternatively, SAK v1.0 can be installed as an OtherOS on the PS3 with firmware 3.15 or lower to accomplish this task.

2. Explicit knowledge of EVERY blu-ray title the blu-ray drive has played and the MKB versions of those discs. WARNING: While you can safely check every BD's MKB with DRLgen, you should limit the number of attempts of installing DRLs on the PS3, as the full details of the AACS "traitor tracking system" are not well known.

3. A FAT32 USB storage device to store and retrieve MKB_RO.inf and DRL files.

Full instructions are available on the Project #PS3bluray wiki [Register or Login to view links] with an excerpt below:

"If you downgraded without a DRL backup, or attempted the previous (not fully correct) leak then use DRLgen on a Windows System with a Bluray reader (or Linux on the PS3) to retrieve the MKB_RO.inf from /AACS from the highest MKB version blu-ray you played in your PS3.

Please Note: If you do not know which Bluray contains the highest version of MKB, you can use DRLgen multiple times to view MKB_RO.inf files in your collection to find the one Blu-ray that has the highest MKB version. You can do this by "Generating DRLs" multiple times, changing the disk each time. Be sure to keep careful records of what discs are what version.

Once you have obtained the bluray that has the highest MKB version that has been played by your PS3 prior to Downgrading. Place it into your BD in your PC, select the DRL Save location in the options of DRLgen that is your USB flash/pen drive, and "Generate DRL". Note: If you are using PS3 linux, or have copied the DRL from another system with a BD drive you may select the location where you have saved the MKB_RO.inf instead of navigating to the BD.)

At this point all paths come together, and there should be a folder on the root of the USB Flash/pen drive with a folder called 'PS3bluray' that contains just two files; dev_flash3_DRL1.bin and dev_flash3_DRL2.bin.

Place the USB drive into a running and Jailbroken PS3 and run DRLcopy on the PS3. This will create 2 backup files; dev_flash3_DRL1.bin.bak and dev_flash3_DRL2.bin.bak. These are backups of your PS3's DRL before copying the ones from USB. You should save them some where for safe keeping incase you ever need to restore them, or you have chosen the wrong version of a MKB_RO.inf.

Once this completes, exit jailbreak on the PS3 and attempt to play the Bluray as normal. This should now allow you to play blurays."

ABOUT THE TOOLS

DRLgen is a new and SAFER utility that uses the MKB_RO.inf from a Blu-Ray disc to derive correctly formatted DRL1 and DRL2 files easily every time. No difficult hex editing or byte-counting is involved.

It is important to note that DRLgen uses the AACS' specification for the MKB format and does not simply assume DRL records start at a specific position and are of a specific length. The previously leaked information makes all these assumptions and is flat out INCORRECT in many situations today, and is NOT future proof and could lead to permanently broken playback.

DRLbackup, previously released, has been updated to work in cooperation with the other two tools. As a best practice, a backup of the DRL1 / DRL2 files should be made prior to any system downgrade. Use in conjunction with DRLcopy for a completely recreatable process to downgrade your Large NAND PS3 and restore Blu-Ray playback in the future.

Note: The location of saved files has changed, users of the older version of the tool should place their saved DRL files into a 'PS3bluray' folder in the root of the USB storage device for compatability with the new DRLcopy tool.

DRLcopy is a new PS3 tool that uses the output of the new version of DRLbackup (or properly located DRL backups from the previous version) and/or the derived DRL files from DRLgen to restore your blu-ray functionality after a firmware downgrade.





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Comments 27 Comments - Go to Forum Thread »

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#27 - tulla2010 - 161w ago
tulla2010's Avatar
yea same for me i downgraded, lost blu-ray playback but had never played a blu-ray before downgrading, so whats the best way to recover playback if never played blu-ray?

#26 - zela15 - 161w ago
zela15's Avatar
People i need help with my ps3, i have never ran a bdmovie on my ps3, and i do it a downgrade and my bdplayer don't work now, can i fix this with a drltool??

#25 - elser1 - 185w ago
elser1's Avatar
i have never ran a bd movie on my ps3..does this matter.. should i rent a new release and do it and record the mkb bd for future use what.. the thought of no bd playback even though i'll probably never use it stops me from downgrading and upgrading also so i don't need to downgrade.. LOL

#24 - Innocent - 185w ago
Innocent's Avatar
Fellow Downgraders, I used:

- A Downgraded PS-3 60GB Release Console PAL (CECHC04) with botched BD support
- Windows 7 Machine with BD-Player
- DRLGen v0.90 installed on said machine above
- DRLcopy v0.90 installed on PS3
- USB Memory (to make DRLGen work)
- All my BDs (Since I don't remember what disc was played in what PS3)

Method

- Ran DRLGen on ALL my BDs to identify MKB version
- Marked and Placed them in order highest to lowest MKB
- After identifying the highest MKB ran that and it ended up on the USB
-MKB 14 on X-Men Origins: Wolverine

- Ran DRLcopy on PS3 with MKB extracted from BD above
- However this didn't work (I guess I never played that BD in that console)

- Moved down the list of MKB with DRLgen this time
-MKB 12 on Body of Lies was extracted to USB

- Ran DRLcopy with MKB extracted from BD
-MKB 12 on Body of Lies was extracted to USB

This time BINGO... I guess that BD had been played on that console and full support for bluray is now restored.

I then as a precaution ran the highest MKB BD in my collection on all PS3 consoles to make sure that I know what BD to use next time I forget to backup the Flash before downgrading.

I only had to try 2 times so I guess I was lucky and like someone write what about if you try too many times.. will something happen ?? I don't know... just thought I'd share my success story.

Thank You and good luck.

#23 - MFR - 186w ago
MFR's Avatar
This worked perfect for me. The DLR's didn't work from the last BR movie played. I used the DRLgen tool and pulled the DLR's from every BR movie I have. Turned out the highest one I had was A Christmas Carol MKB version 18. Used the Copy tool and Blue Ray playback is restored. My PS3 was made February 2007, 80GB with the Emotion Engine chip.

 

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