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  1. #71
    Forum Moderator PS3 News's Avatar
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    PS3 Metldr / Per Console Key0 Update, LV0 Bootloader Decrypted?

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    A few weeks back details and payloads for Dumping PS3 Per Console Keys surfaced followed by news of a PS3 Metldr Exploit, and today PlayStation 3 developer xx404xx on IRC has shared his PS3 Metldr / Per Console Key0 findings thus far.

    Included below are a [Register or Login to view links] which is loaded through lv2patcher, an [Register or Login to view links], the required EID Static Keys and more, as follows:

    [xx404xx] lol wtf you can write to metldr!!!!!!
    [xx404xx] 0x17014 - Write eEID/Write metldr Holy crap, it writes passed data to the region of FLASH memory where eEID or metldr data is stored !!! And GameOS is allowed to use this service !!! Do not experiment with this service if you don't know what it does or else your PS3 will not work anymore !!!
    [xx404xx] [Register or Login to view links]
    [xx404xx] [Register or Login to view links] I highly recommend you all go look at that
    [xx404xx] Is anyone taking a look at that paste bin? [Register or Login to view links] (via [Register or Login to view links] from lunuxx)
    [xx404xx] Here's a pic from this leaked doc i found
    [xx404xx] [Register or Login to view links]
    [xx404xx] [Register or Login to view links] there's no per console key 0 in the guide
    [xx404xx] and you need this leaked doc
    [xx404xx] ill go upload it
    [xx404xx] the per console key0 is only for my console......
    [xx404xx] but you can obtain your own lv0
    [xx404xx] im upploading the doc now
    [xx404xx] i was hesitant about leaking this
    [xx404xx] but here you go, you will need this info
    [xx404xx] [Register or Login to view links]
    [xx404xx] it has doc on the spu's
    [stronzolo] what do you think about the picture who math posted on the twitter ?
    [xx404xx] real
    [xx404xx] he already told us how he does it....
    [stronzolo] us = who ?
    [branan] everybody. His thing about metldr from a couple days ago applies to bootldr just as well
    [xx404xx] it's no secret
    [stronzolo] so why math can do it... and others can't ? what's wrong ?
    [xx404xx] lol if he didnt want other's knowing about it mabye he shouldnt tweet so many hint's.......
    [xx404xx] we can do it
    [xx404xx] read the docs
    [xx404xx] he talk's about how we dump the local storage from the spu's
    [stronzolo] 404 when do we know if your key is key 0 ?
    [xx404xx] when someone prep's a step by step guide to dump bootldr
    [xx404xx] Patent[How to dump lv0 with HW ;] that's all im going to say for know....there will be more later, and this is not a complete guide, but math gave you eveything else you need....
    [xx404xx] [Register or Login to view links]
    [XX404XX] Ik how math does the bootldr exploit
    [antikhris] do tell...
    [XX404XX] [Register or Login to view links]

    On the PS3 True Blue Dongle:

    [xx404xx] True blue is stupid
    [xx404xx] it's the fselfs
    [eussNL] its more than / just / fself, try unself one and you see what it is
    [eussNL] its DRM'ed fself
    [xx404xx] ps3 crunch is trying to make money on the new dongles......
    [eussNL] well not surprising as GaryOPA is reseller
    [xx404xx] where do you think
    [xx404xx] it came from
    [xx404xx] i dont mean drm
    [eussNL] what?
    [xx404xx] i mean the fself
    [eussNL] there are plural items
    [xx404xx] debug servers obv
    [eussNL] well, they only have limited titles so there is your clue

    From pastebin.com/rFD5ASJa: (img573.imageshack.us/img573/5026/newbitmapimage4z.png)



    BootOrder explained (Thank's wiki) VERY IMPORTANT (per_console_key_0 is not the key which will be derived, but is the key which has derived per_console_key_1) We have pck1 using the dumper, in order to obtain pck you need to dump it out of ls. In order to do that with hardware you should look into math's comment's about dumping a shared lsa.

    In order to do this with software you should either use math's bootldr exploit or you need to exploit the spe secure runtime.... (Not all that hard with the two recent exploit's)

    With Runtime Secure Boot feature, an application can run a check on itself before it is executed to verify that it has not be modified and compromised.Secure Boot is normally done only at power-on time, but the Cell BE processor can Secure Boot an application thread multiple times during runtime. (PS3'S doesn't do this right as you can see in the failoverflow vid)

    Passing execution: (img508.imageshack.us/img508/8544/eib.gif)



    Spe execution control diagram: (imageshack.us/photo/my-images/835/newbitmapimage3a.png/)



    Error Reporting: (imageshack.us/photo/my-images/193/newbitmapimage5us.png/)



    A Debug support flag set in SC EEPROM at address 0x48C50. When this flag is set, the token is read from SYSCON and decrypted, this gets passed to various modules to unlock certain functionality.

    Debug support flag is tied to EID which is supposed to be hashed and saves in SC EEPROM

    [Register or Login to view code]

    A FSELF support flag set in SC EEPROM at address 0x48C06. When this flag is set, the token is read from SYSCON and decrypted, this gets passed to various modules to unlock certain functionality.

    [Register or Login to view code]

    Eid Rootkey(1) Dumper (Load through lv2patcher) (You need this)
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    Decrypt your eid with this (You need this)
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    [Register or Login to view code]

    Eid static key's (You need these)

    1.00 Debug/DEX - aim_spu_module.self

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    3.15 Retail/CEX - aim_spu_module.self

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    3.41 Retail/CEX - aim_spu_module.self

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    3.55 Retail/CEX - aim_spu_module.self

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    3.56 Retail/CEX - aim_spu_module.self

    [Register or Login to view code]

    1.00 Debug/DEX - appldr

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    3.15 Retail/CEX - appldr

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    3.41 Retail/CEX - appldr

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    3.55 Retail/CEX - appldr

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    3.56 Retail/CEX - appldr

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    1.00 Debug/DEX - isoldr

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    3.15 Retail/CEX - isoldr

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    3.41 Retail/CEX - isoldr

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    3.55 Retail/CEX - isoldr

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    3.56 Retail/CEX - isoldr

    [Register or Login to view code]

    1.00 Debug/DEX - lv1ldr

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    3.15 Retail/CEX - lv1ldr

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    3.41 Retail/CEX - lv1ldr

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    3.55 Retail/CEX - lv1ldr

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    3.56 Retail/CEX - lv1ldr

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    1.00 Debug/DEX - lv2ldr

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    1.00 Debug/DEX - spu_pkg_rvk_verifier.self

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    1.00 Debug/DEX - spu_token_processor.self

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    3.15 Retail/CEX - spu_token_processor.self

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    3.41 Retail/CEX - spu_token_processor.self

    [Register or Login to view code]

    3.55 Retail/CEX - spu_token_processor.self

    [Register or Login to view code]

    3.56 Retail/CEX - spu_token_processor.self

    [Register or Login to view code]

    3.15 Retail/CEX - spu_utoken_processor.self

    [Register or Login to view code]

    3.41 Retail/CEX - spu_utoken_processor.self

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    3.55 Retail/CEX - spu_utoken_processor.self

    [Register or Login to view code]

    3.56 Retail/CEX - spu_utoken_processor.self

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    In related news, Sony PlayStation 3 hacker Mathieulh [Register or Login to view links] the following comments on what appears to be the PS3 Firmware 3.73 lv0 bootloader decrypted:

    Boot Loader SE Version 3.7.3 (Build ID: 4611,48369, Build Date: 2011-10-12_12:31:19) What's taking you so long ? [Register or Login to view links]


    Boot Loader SE Version 3.6.6 (Build ID: 4534,47762, Build Date: 2011-06-16_13:24:46) I am bored....

    Oh ! that's nothing just a little string from the 3.73 lv0....

    By the way, I won't be posting keys, I won't be posting dumps and I won't be saying how it was done, time to work gentlemen.

    It's a command prompt because I am using my own tool to decrypt selfs to elf and not the buggy unself. Not like an unself prompt couldn't be faked though.

    You can't sign lv0 on a cech-3000 sorry. No, the new bootloader uses a new keyset.

    The build number should be proof enough, as long as you can get your hands on a decrypted lv0 that is. Posting keys is not an option, posting hashes of the keys wouldn't bring you any additional proof because you have no way of verifying those, besides Sony's lawyers would claim that I'd be posting encrypted forms of the keys like they did in the fail0verflow trial, and I am not posting screenshots because lv0 contains copyrighted code.

    So unless you have any other "proof" in mind that I could post legally without fearing prosecutions, feel free to tell me about these.

    I am definitely not releasing it anyway, I've already said how I am not releasing anything anymore, EVER. I am a man of my word.

    By the way instead of demanding, people should start looking at my "pwning metldr the "easy" way" post where I gave the first steps into exploiting the bootloader and one of the required exploits and start working from that, there is no point in making demands, asking for "proofs", keys and whatnot, I won't be sharing these, so you'd better start working; I've given you a nice starting point.

    I am done talking about lv0 decryption, feel free to resume this talk once it becomes public and people can verify the strings I posted.

    Although unconfirmed, [Register or Login to view links] has Tweeted the following: Don't flame ppl!.. lv0 decrypted from my debug console!! [Register or Login to view links]

    Posted a little preview of the ps3swu.self from 4.00 - [Register or Login to view links]



    Shortly following, he Tweeted (twitter.com/#!/eitjuhh/status/144763029224038400): Found new keys in OFW 4.00 !! doesn't know which keys they are at this moment!.. but i think the new twitter.com/#!/eitjuhh/status/144763029224038400/photo/1


    bit i think they are the new klic_dec_key keys sony wrote them twice in other ofw's now 3 times?? [Register or Login to view links]

    60 00 00 00 E8 01 00 80 38 21 00 70 7C 08 03 A6 --- Second new key found!

    And he Tweeted (twitter.com/#!/eitjuhh/status/145054115750346752): Yesterday I did a second test! CFW is RUNNING ppl!!.. Tonight I will build in Peek&Poke! Video: soon, Release: Before Christmas !

    From Sony PS3 hacker xorloser (CitizenX of scene release group PARADOX) via [Register or Login to view links]:

    V3.60 and above have the secrets encrypted inside lv0, and the lv0 keys are not publicly available.

    lv0ldr loads lv0 direct from flash rather than from memory, plus nothing else is running at this stage. So trickier, but doable.

    From zecoxao comes a brief guide: How to Dump BOOTLDR Unencrypted (Decrypted)

    Things you'll need:
    • PS3 on 3.55 OTHEROS++ (this was tested on a slim, but phats are probably achievable aswell)
    • Latest linux kernel (or any of the 3.x.x kernels by glevand precompiled)
    • Knowledge of linux ( such as , creating symlinks (ln -s), editing kboot.conf, sudoing, etc)

    In case you don't have the latest kernel, but already have one installed distro: gitbrew.org/~glevand/ps3/linux/linux-3/linux-3.3.3-build.tar.bz2

    [Register or Login to view code]

    And now for the fun part:
    [Register or Login to view code]

    PS: Lv0 keys are STILL encrypted, so don't complain, you have your precious bootldr there, have fun with it.

    Finally, from anonymous (via pastie.org/pastes/5090091/) comes a PS3 dump bootldr how to exploit:

    Must have a dex 3.55 real or made dex 3.55 ps3 also duel nand/nor installed chip base. In a 3.55 dex console, prepare a lv0.self with the metadata exploit. reboot. lv0 will hang since lv0.self will not run properly. bootldr will send info to lv0 before it hangs, after it decrypts it, running dex with certain switches set up like boot in dev mode Will allow this hang dump of bootldr to be saved to the local store.

    But, essentially you will have a bricked ps3 so recovery of the local store wont happen. This is where the duel nand/nor comes in handy and allows you to recover from this and replace your messed up lv0.self with the original to boot up and recover the local store dump and the decrypted bootldr. This will allow the keys to bootldr these keys cannot be changed with any update.

    We can then exploit lv0. The exploit of bootldr/lv0 will allow the ability to change the way private keys are made or give us the ability to reset up the private key fail and resign packages with any new firmwares.

    This although is just a "well tested Theory" of course.

    PS3 Metldr / Per Console Key0 Update, LV0 Bootloader Decrypted?

    PS3 Metldr / Per Console Key0 Update, LV0 Bootloader Decrypted?

    PS3 Metldr / Per Console Key0 Update, LV0 Bootloader Decrypted?

    More PlayStation 3 News...
    Attached Thumbnails<br><br> Attached Thumbnails

    newbitmapimage6k.png   newbitmapimage4z.png   eib.gif   newbitmapimage3a.png   newbitmapimage5us.png  

    Boot Loader SE Version 3.7.3-446806616.jpg  
    Attached Files Attached Files

  2. #72
    Toucan Sam CJPC's Avatar
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    It's really amazing what people can come up with, and props to those who release what they did, instead of not sharing. Of course, it's going to need a bit more work and polish- not for anyone without a decent skill level. I'll admit, I got confused just reading some of it! However, it's great that the scene is moving onward, after a little bit of a speedbump!

    Also from Nodex: First lv0 then a bootldr. Here lv0 dump but one side. More pastes coming.

    ..pastes..
    lv0 dump (one side) - [Register or Login to view links] (firmware 3.73).
    lv0 stuff [Register or Login to view links]
    chain of trust/bootldr? last things maybe keys? [Register or Login to view links]
    Attached Thumbnails<br><br> Attached Thumbnails

    WHATEVER.pdf   AfpwqgOCMAAxpZi.png   Af_Mv7YCAAAhd9p.png   AgJNNUXCIAAJl09.png  
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  3. #73
    Banned User CS67700's Avatar
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    We're almost there boys.

  4. #74
    Junior Member 404's Avatar
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    I will be looking into a real cex->dex now that we have this info.....

  5. #75
    Banned User
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    Quote Originally Posted by PS3 News View Post
    By the way, I won't be posting keys, I won't be posting dumps and I won't be saying how it was done, time to work gentlemen.
    WHY does he do this? He's as good as all the fakes. Not releasing something is equal to a fake.

    Nice find to all the others who released this. Hope this comes to something useful in the near future.

  6. #76
    Forum Moderator PS3 News's Avatar
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    Quote Originally Posted by 404 View Post
    I will be looking into a real cex->dex now that we have this info.....
    I know that is something CJPC has always considered the "holy grail" so definitely looking forward to progress on that front as well.

    The Mathieulh lv0 bootloader decryption also looks promising even if he doesn't share it directly, as others will sort it out and make good use of it I'm sure (or another leak ). Anything to get away from the "buy yet another dongle" approach in the PS3 scene is a step in the right direction in my opinion.
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  7. #77
    Senior Member HeyManHRU's Avatar
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    That's the single longest post I've ever seen. I don't know what all those codes mean, but if it means something good I'm happy.

  8. #78
    Junior Member 404's Avatar
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    Math actually did a lot of work, just because he didn't release it doesn't mean it's not his work (In reference to the metldr exploit)

    Thing's that are now possible afaik (With your per console key, more info in the doc's)

    Better Cex->Dex
    Better 3.5x cfw
    Decryption of any revision lv0

  9. #79
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    yea, if the did some of it or most of it then good on him but don't go telling everyone you've got the keys but not releasing them, that's just saying your a prick and actually hate the scene.

    Everyone is after the 3.6+ keys and if he's got them and telling everyone he's just a prick for that. We've been trying to get them since 3.60 came out so if he's holding back it doesn't matter what else he releases that's what we are after and he's holding them back.

    I don't believe a word he says as I think its all lies. I can say a lot and not release anything, does that make what I say real? no, then why does everyone believe what he says?

    Oh, I have the 3.73 keys and I have a 3.73CFW but I won't release it. Do you believe me? I doubt it so why believe and listen to anything he says? I bet he probably didn't do anything with this last release, he probably stole it from someone else and just put his name on it.

    When I find something I release it. I've helped out and released more than he has as I actually release what I find and not hold back.

  10. #80
    Forum Moderator PS3 News's Avatar
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    Well, he isn't the only one with the ability to acquire new keys though... as I posted a week ago HERE via IRC:

    BrandonW (of TI-84/Plus PS3 JailBreak and Payload fame) confirmed he has the 3.72 keys, and stated that although he can't share them (he doesn't want to become the next GeoHot I'm sure) he is willing to teach some others how to acquire them on their own.

    So... as long as they get leaked or make their way to those who can put them to use (even if it isn't through a direct public unveil of the keys ala GeoHot to avoid legal hassles) I still think it means good things will come of it.

 
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