Post: 3.56+ Official Firmware [FAQ + Informational Post]
04-07-2013, 02:42 AM #1
(adsbygoogle = window.adsbygoogle || []).push({}); Since the other post got washed away due to new forums on NGU, I thought this will refresh everybody's mind about why there is no Custom Firmware for 3.56+ Official Firmware.

First of all, I don't think that there will be a new Official Firmware to Custom Firmware soon.

Reason: Every since Geohot (George Hotz) release the first ever CFW or Jailbreak for 3.55 Sony jumped the gun and thought that this was a very bad thing. Geohot almost got sued, but they shook hands and Geohot said he will never touch the PS3 EVER again. According to the DMCA rules (Or Your Device Limits), you cannot jailbreak a PS3. Alot of other PS3 developers worked on exploiting the PS3's security, Geohot just released the first firmware. Without Fail0verflow, and other developers, that wouldn't be possible.

Sony found a way to "patch" jailbreaking the PS3 by using a algorithm called ECDSA (Elliptic Curve Digital Signature Algorithm) that will protect these codes called "Private keys". Sony has used the ECDSA before CFW's but they failed to create a new K as used in this algorithm, You must login or register to view this content.. If you want more information on ECDSA go to You must login or register to view this content.!


Originally posted by another user

In December 2010, a group calling itself fail0verflow announced recovery of the ECDSA private key used by Sony to sign software for the PlayStation 3 game console. However, this attack can be considered invalid against ECDSA because it is Sony who failed to implement valid signature(s). That is, the attack was made possible because Sony failed to generate a new random k for each signature


Also in 3.60, instead of hardware booting up the keys like this:

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Then they took out metldr (NOR PS3's they did, other PS3's its still active) (Met Loader) and replaced it with bootldr (Boot Loader). They also made Lv0 (Level 0) load the keys like this:

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This makes it much harder to retrieve the keys because we have to mess with another key to find another, instead of hardware.

Originally posted by another user
Lv0 has now been changed, LV0 now appears to encapsulate all of the Loaders (appldr, isoldr, lv1ldr, lv2ldr). Now in order to break the chain of trust we need to be able to decrypt/exploit LV0 (or bootldr which loads LV0) -> done! See You must login or register to view this content.!


Also in 3.56 they added these 2 files to the root of the Playstation Update Package [PUP] spkg_hdr.tar and ps3swu2.self.

I am very afraid that the Ps4 will have ECDSA too and ECDSA will still be enabled on PS3 when PS4 gets released.

Sony will not leave their eye off of the PS3 for 1 moment so don't start doing stupid shit when the PS4 is released!

If you have anymore questions, post them below and people will help you out threw them!
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The following 3 users say thank you to Dr. Mayham for this useful post:

GE90, Joel, RichModder
04-07-2013, 03:12 AM #2
Originally posted by 00x0
Sony will not leave their eye off of the PS3 for 1 moment so don't start doing stupid shit when the PS4 is released!


Well since their "eye" is strictly server security, no they will not take their gaze off CFW users. That would require them to dumb down their security! :ha!:

Originally posted by 00x0
Sony found a way to "patch" jailbreaking the PS3 by using a algorithm called ECDSA (Elliptic Curve Digital Signature Algorithm) that will protect these codes called "Private keys".


Now this is a little off, the ECDSA security was on the PS3 from the beginning of it's lifetime. Geohotz and FailOverFlow and many others, simply found an exploit that bypassed it which Sony patched in 3.56. Then Sony released 3.60 and that changed the ECDSA to use random keys which makes it impossible(practically). I might be slightly wrong but I'm pretty sure.

Extra Fact: Metldr is still there since it is hardware based, it just isn't used any more in the boot order. This is why you can downgrade from 4.40 to 3.55. Then Sony changed it to Metldr 2 which disables downgrading but is still useless. But then again it can't be completely useless, cause if it was then why wouldn't Sony just take out the original instead of replacing? :think: I may be wrong here, time to research. ^^
04-07-2013, 03:21 AM #3
Originally posted by Soldier View Post
Well since their "eye" is strictly server security, no they will not take their gaze off CFW users. That would require them to dumb down their security! :ha!:



Now this is a little off, the ECDSA security was on the PS3 from the beginning of it's lifetime. Geohotz and FailOverFlow and many others, simply found an exploit that bypassed it which Sony patched in 3.56. Then Sony released 3.60 and that changed the ECDSA to use random keys which makes it impossible(practically). I might be slightly wrong but I'm pretty sure.

Extra Fact: Metldr is still there since it is hardware based, it just isn't used any more in the boot order. This is why you can downgrade from 4.40 to 3.55. Then Sony changed it to Metldr 2 which disables downgrading but is still useless. But then again it can't be completely useless, cause if it was then why wouldn't Sony just take out the original instead of replacing? :think: I may be wrong here, time to research. ^^


You are right about Metldr, but with the new NAND PS3's, they completely took metldr out. But thanks for the correction! ^^
04-07-2013, 03:22 AM #4
Originally posted by Retired
You are right about Metldr, but with the new NAND PS3's, they completely took metldr out. But thanks for the correction! ^^


Wait...they went back to NAND? I never knew that! :p
04-07-2013, 03:26 AM #5
Originally posted by Soldier View Post
Wait...they went back to NAND? I never knew that! :p


Sorry typo, Nor.... That is why there is a patch on Nor and its harder to downgrade
04-07-2013, 03:29 AM #6
Originally posted by Retired
Sorry typo, Nor.... That is why there is a patch on Nor and its harder to downgrade


:ha!: It's alright. So my understanding is....

2x128MB NAND > 1x16MB NOR Metldr > 1x16MB NOR Metldr 2 > 1x16MB NOR No Metldr

Correct?
04-07-2013, 03:34 AM #7
Originally posted by Soldier View Post
:ha!: It's alright. So my understanding is....

2x128MB NAND > 1x16MB NOR Metldr > 1x16MB NOR Metldr 2 > 1x16MB NOR No Metldr

Correct?


If it comes with 3.60 original firmware then metldr.2 will RLOD it and downgrade it to 3.55, that is how you downgrade with a NOR, you have to do that then you unbrick it. Also yes that's how it goes. Superslims have no Metldr
04-07-2013, 12:24 PM #8
Mythusala
Rekt It Ralph
actually there is a 3.56 cfw made by demonhades if you really knew what you were talking about you would know this please do some more research before you post stuuf like this. Its very misleading thanks....
04-07-2013, 01:32 PM #9
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WOLF
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Originally posted by Mythusala View Post
actually there is a 3.56 cfw made by demonhades if you really knew what you were talking about you would know this please do some more research before you post stuuf like this. Its very misleading thanks....


You're the one that needs to do research. You have to install that cfw on 3.55. It can't be installed on 3.56 or higher just like any cfw. There are 4.30 and 4.40 cfws now.
04-07-2013, 01:42 PM #10
Originally posted by Mythusala View Post
actually there is a 3.56 cfw made by demonhades if you really knew what you were talking about you would know this please do some more research before you post stuuf like this. Its very misleading thanks....


Yeah and Rogero has made a 4.40 CFW. You're onto something here, please share your wisdom with us, all mighty playstation god, Amen. :dumb:

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