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Saved SHSH Blob Restores almost at an end?

Discussion in 'iPad Hacking' started by f4780y, Jun 26, 2011.

  1. f4780y
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    f4780y Super Moderator Staff Member

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    MuscleNerd has tweeted several messages in the last hour which signal that the golden age of SHSH Blob replay attacks may be nearing an end.

    After iOS5 is released it looks as though it will no longer be possible to save new SHSH Blobs and play them back to iTunes to fool it into restoring a previous firmware which is no longer being signed.

    Whilst restores of 4.x and 3.x should still work if you have saved blobs and a supported version of iTunes (e.g. 10.3), new 5.x blobs will not be of use if you save them away and try and use them later.

    According to MuscleNerd Apple is introducing a "number used once" (nonce) to the signing window just as they do for the baseband at the moment which will defeat the replay attack which is currently exploited to allow saved Blobs to work.

    Sad news indeed. This will make it even more important to take great care with your upgrades / restores / and installs when jailbroken OR when waiting for a jailbreak!

    If you install something old / incompatible with your device and have to restore you could be in for a world of pain if the "current" firmware is not jailbreakable... :(
    Last edited: Jun 27, 2011
  2. Lakerfanalways
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    Lakerfanalways iPad Fan

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    Good thing I saved my SHSH blob of 4.3.3 on my brand new iPad..I had a feeling Apple would try something sneaky like that
  3. f4780y
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    f4780y Super Moderator Staff Member

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    The iPhone DevTeam have updated their blog with an article on it now - Dev-Team Blog
  4. SweetPoison
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    SweetPoison iPad Legend

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    I was just going to tell you that, Leigh! Can you believe it?:D
  5. SweetPoison
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    SweetPoison iPad Legend

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    Does this mean that we don't have to save our blobs anymore?
  6. KaiHD
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    KaiHD iPad Junkie

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    God, no. I wonder how they are going to combat this? Doesn't look good.

    - Sent from my BRAND-NEW iPad 2! :D
  7. f4780y
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    f4780y Super Moderator Staff Member

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    Well, you should certainly save the blobs you have just now because you will always be able to reinstall 4.3.3 because of this. It's just saving them after 5.0 is released looks as though it will be futile. But as Musclenerd said in the article, there may be ways to combat the new system, but before it is released is not the time to discuss it in the open!
  8. sutty0000
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    sutty0000 iPad Fan

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    As one door closes another door opens. Hopefully that's the case anyway.
  9. iRuthlessPad
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    iRuthlessPad iPad Enthusiast

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    LOL I think geohot will be the saviour once again :)

    Sent from my iPad using iPF
  10. Wookiee2cu
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    Wookiee2cu iPad Junkie

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    Sounds like GeoHot is going to be busy with his new job over at FaceBook.
  11. TC93
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    TC93 iPF Novice

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    I know very little about the iPad hack, but I think it's pretty stupid of apple to do this, considering all the competition of new tablets coming out soon. Things probably will never change until someone else is running the company. But that's just my opinion.
  12. kenz0
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    kenz0 iPF Novice

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    Can I save my 4.3.3 blobs if im currently on 4.3 for the iPad 2?
    Last edited: Jun 28, 2011
  13. graywolf
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    graywolf iPad Super Guru

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    No. :)
  14. KaiHD
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    KaiHD iPad Junkie

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    That should be a yes, IMO.

    - Sent from my BRAND-NEW iPad 2! :D
  15. f4780y
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    f4780y Super Moderator Staff Member

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    Still don't get it Wolfie :(

    As KaiHD has stated, the answer is yes.

    Read the FAQ again! ;)
  16. Rushh
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    Rushh iPF Novice

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    Also, is there any point in saving SHSH blobs for my iPad2 3g(at&t) ?
    I know i shouldn't do an update after 4.3.3 (if i want to be jailbroken soon)...
  17. f4780y
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    f4780y Super Moderator Staff Member

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    Always save your blobs. It's a safety net. You never know!
  18. SweetPoison
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    SweetPoison iPad Legend

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    Even I knew that. What's up, Brat? Need more sleep?:D
  19. KaiHD
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    KaiHD iPad Junkie

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    Haha, you shouldn't be mean to our resident Wolfie here. Too much. A little is okay. XD

    - Sent from my BRAND-NEW iPad 2! :D
  20. graywolf
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    graywolf iPad Super Guru

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    I thought you could only save shsh for the version you have now if apple has the window open.




    Everything I know is a lie!!!!!!!!!!!!

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