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How the ECDSA Algorithm Works by PS3 Developer KaKaRoToKS

1350°
130w ago - Following up on his status update for the PS3 4.0 Homebrew Enabler (HEN), today Sony PlayStation 3 hacker KaKaRoToKS has explained how the ECDSA algorithm works.

To quote: To popular demand, I have decided to try and explain how the ECDSA algorithm works. I've been struggling a bit to understand it properly and while I found a lot of documentation about it, I haven't really found any "ECDSA for newbies" anywhere.

So I thought it would be good to explain in simple terms how it works so others can learn from my research. I have found some websites that explain the basic principles but nowhere near enough to actually understand it, others that explains things without any basics, making it incomprehensible, and others that go way too deep into the the mathematics behind it.

ECDSA stands for "Elliptic Curve Digital Signature Algorithm", it's used to create a digital signature of data (a file for example) in order to allow you to verify its authenticity without compromising its security. Think of it like a real signature, you can recognize someone's signature, but you can't forge it without others knowing.

The ECDSA algorithm is basically all about mathematics.....
 

Status Update on PS3 4.0 Homebrew Enabler (HEN) by KaKaRoTo

1350°
132w ago - Today PlayStation 3 hacker KaKaRoToKS has posted a status update on the PS3 4.0 Homebrew Enabler (HEN), which comes just six weeks since the previous confirmation that it indeed works on Sony's latest Firmware version.

To quote: Here’s a “quick” status update on the 4.00 HEN (Homebrew ENabler) for PS3.

Following my clarifications from almost 2 months ago here, there has been a lot of progress. We have not been slacking off, we’re a group of about 10 developers working together for the last 2 months, for sometimes 15 hours everyday in order to bring back homebrew support to the latest version of the PS3.

There are three major parts to the HEN, first, getting the packages to install on the PS3, that part is done, completed, tested, debugged, etc.. the second part is to get the apps to run, that one still has major issues... the last part is something I will not discuss for now (it’s a surprise) but it’s about 60% to 70% done (and it has nothing to do with peek&poke and has nothing to do with backup managers or anything...
 

Sony PS3 Hacker KaKaRoToKS Confirms Exploit Still in 4.0 Firmware

1350°
138w ago - Following up on the previous article and update for the 3.73 JailBreak, today Sony PlayStation 3 Hacker KaKaRoToKS has confirmed it is safe to update to PS3 Firmware 4.00 for those planning to use the exploit when it is released.

Below are some recent Tweets from him, as follows:

FYI, tested yesterday and the jailbreak still works on 4.0 so it's safe to upgrade (for those on 3.73)

Just got my progskeet today. Thanks uf6667 for sending it! It's so small!

Not much new to go on at the moment, but keep in mind the upcoming PlayStation 3 exploit will not enable PS3 backup managers such as multiMAN or Rogero as it does not include support for modifying Peek and Poke for lv1 and lv2 as outlined in the FAQ...
 

Sony PlayStation 3 Hacker KaKaRoToKS JailBreaks 3.73 PS3 FW?

1350°
140w ago - To follow-up on the previous article where Sony PlayStation 3 hacker KaKaRoToKS stated "A solution for 3.60+ will be available soon, so no worries - people just need to be patient" comes some more Tweets today on JailBreaking 3.73 PS3 Firmware.

Below are some of the recent announcement [Register or Login to view links] from KaKaRoToKS on JailBreaking PS3 3.73 Firmware, as follows:

  • I will reply.. but I didn't read... yes, file managers and FTP should work fine.
  • and I'm all for competition, no worries. I do this for fun, not for race or whatever. Also, 3.73 cfw is not possible
  • i dont know yet about emulators... All in good time. There s no rush
  • yes, that's the point, to run homebrew.. showtime should work fine. not tested yet.
  • Nope, completely software based.. I won't say anything more than that for now to avoid them blocking it before release.
  • The "kind of" meant I need to fix NPDRM algo for it to run. And no, this will not allow backup managers. And no, it's not a CFW
  • 1 - I won't share it until it's ready to use (still a bit complicated + some missing components), 2 - don't update if...

 

Video: Eskiss PS3 Homebrew Game Update with PS Move Support

250°
148w ago - Today PlayStation 3 hacker KaKaRoToKS has updated the Eskiss PS3 Homebrew Game with PlayStation Move support for PlayStation 3 Custom Firmware users alongside a video below.

Download: [Register or Login to view links] / [Register or Login to view links]

To quote: Hi all, I'm releasing Eskiss with Move support and I think the instructions on how to use it require a bit more than what twitter allows (from my usual small updates).

You can download here the Eskiss package for PS3 3.55, and here the package for PS3 3.41.

The instructions are simple, you can still play with a normal mouse if you want, or use the controller to emulate the mouse, just like before. But, if you have a PS Eye camera plugged in, then it will also be ready to handle the Move.

If it detects a move controller, the ball on the controller will be white, at that point, you must press the Action button while pointing the controller to the camera (there's no image feedback on the screen, so just point and press the action button). This will calibrate the controller and...
 
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