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PlayStation 3 Flash ECC Algorithm Reversed!!

1050°
309w ago - Well this week we have some exciting news that we hinted about last week.

First, a small technical explanation. We were not able to modify any data on the PS3's flash chips due to the ECC. The ECC is a checksum basically, that ensures whatever data is in the block is not changed or corrupted, and if it is it errors.

So, the problem was since when we tried to alter data, the ECC would then in turn be invalid, causing errors, making the system not boot.

We did develop a way around this, however, it was time consuming and quite slow. We used the PS3 to write data to the flash, then dump it, with its proper ECC, then rewrite to where we needed it. This would take hours on end! We were not able to regenerate the ECC since we did not know the proper algorithm.

But now, we can!!

After multiple tests done by NDT to see what the ECC algorithm was when the block was filled with some magic data, our very own RPS was able to reverse the algorithm!

What does this mean? Simple, we are now able to in minutes properly edit a flash dump, regenerate the ECC and flash it onto the PS3 in order to experiment with flash changes. Using this, we have already found where the...
 

PlayStation 3 BD-J Apple II Emulator Released!

550°
309w ago - I made a BD-J Apple II Emulator.

Currently there is no keyboard. So we can not control it...

But demos work such as Lode Runner.

Enjoy!

Download: PS3 BD-J Apple II Emulator
 

PlayStation 3 Video DRM: Two Strikes and You're Out

500°
309w ago - The Sony Video Store on the PlayStation Network is filled with a good selection of movies, and you can't beat the convenience of renting or even buying movies from your couch and watching them on your big screen with your PlayStation 3.

Renting movies is a joy on the system, although it would be nice to have longer than 24 hours to watch the content, but what happens when you buy a movie? As one Ars reader found out, and Sony confirmed for us, you have to be careful about what happens to your system once it's filled with video content: you have one download, one redownload, and that's it.

Noise, a forum-goer, sent out a warning after he deleted some video content to make room on his hard drive and then found he couldn't redownload the content. The PlayStation 3 support page is perfectly clear on this matter. "Purchased content can be downloaded to a single PLAYSTATION 3 or a single PSP system," it reads. "Content cannot be redownloaded once it has been downloaded to either a PLAYSTATION 3 or PSP system."

You're allowed to keep the content on one system, and you can move it to up to three PSP systems, but if you have to delete the content for any reason, it's gone? Sort of. Lincoln...
 

Video: Eight Days PlayStation 3 Trailer - Basic Navigation

100°
309w ago - When SCEA announced back in June that they were ceasing the production of Eight Days many were left disappointed.

Now a video showing just how game this could have been has hit the Internet.

The video is a quick capture from the Eight Days Animation Test Level, and showing the basic navigation of the main character.

Video is below, and comes courtesy of PS3badman1 via YouTube:




 

PlayStation Store Video Content Update for September 19, 2008

50°
309w ago - Per Grace Chen (Senior Manager, PLAYSTATION Store) today:

Hi again! The weekend's here - time for your weekly update of new movie & TV shows on the PLAYSTATION Store.

This week we've added new video content from the following television series:

• Burn Notice, Season 2
• Crime 360, Season 1
• Deadliest Catch, Season 3
• Married with Children, Season 6
• Miami Ink, Season 5
• Most Shocking, Season 1
• Robot Chicken, Season 3

We've also added the following feature films to the Store:

• Blue Collar Comedy Tour
• Bram Stoker's Dracula
• Dragon Wars
• Empire Records
• Ghost World
• The Love Guru
• Made of Honor
• My Girl
• Ocean's Eleven (Remake)
• Nim's Island
• Perfect Stranger
• Pumpkinhead
• Shaft's Big Score
• Speed Racer
• Street Kings
• Tsotsi
• Water
• What Happens in Vegas
• What Happens in Vegas (Extended)

Have a great weekend!
 
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