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Anonymous Posted on Jul 08, 2010

Decryption of 4GB or larger Seagate encrypted files.

How do I decrypt Seagate encrypted files larger than 4GB? Smaller files decrypt fine.

  • 3fss Dec 08, 2010

    i have encrypted my personal file with seagate encryption software and unfortunately i encrypt them.I change my os after decryption.some say that becouse of that you cant decrypt them.i was wounderig somebody could help me.

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1 Related Answer

Anonymous

  • 4044 Answers
  • Posted on Dec 16, 2010

SOURCE: The Seagate encryption algorithm works

That posses a problem. They know there is a problem with the algorithm but don't plan to fix it. Wonderful. The problem is this, you would have to know what the algorithm was to be able to do anything about it and I doubt very seriously they are going to release that. That leaves you with the option of hiring a hacker to break the code or paying a specialty company to break the code and they are not cheap or well advertised. I can't think of any companies that do that work anymore. You are going to have to identify a Security company or the company that originally developed the Algorithm and see if you can work out a deal to get the corrected algorithm. The problem you have is your algorithm was designed for files smaller than 4gb and there is a permutation error that occurs on files that are larger. In a lot of cases this is a random fault that makes it very difficult to identify if not impossible depending on what level of encryption the algorithm actually represents. 32 or 64 bit encryption isn't so bad but 128 or higher is a real pain and expensive. There are some software packages available out there if you search the web for them, "Decryption Software", but again it is expensive and hard to find.

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There are 5 steps to remove BitLocker Drive Encryption from removable drive. Here are the steps.
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That posses a problem. They know there is a problem with the algorithm but don't plan to fix it. Wonderful. The problem is this, you would have to know what the algorithm was to be able to do anything about it and I doubt very seriously they are going to release that. That leaves you with the option of hiring a hacker to break the code or paying a specialty company to break the code and they are not cheap or well advertised. I can't think of any companies that do that work anymore. You are going to have to identify a Security company or the company that originally developed the Algorithm and see if you can work out a deal to get the corrected algorithm. The problem you have is your algorithm was designed for files smaller than 4gb and there is a permutation error that occurs on files that are larger. In a lot of cases this is a random fault that makes it very difficult to identify if not impossible depending on what level of encryption the algorithm actually represents. 32 or 64 bit encryption isn't so bad but 128 or higher is a real pain and expensive. There are some software packages available out there if you search the web for them, "Decryption Software", but again it is expensive and hard to find.
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Decryption

I suggest you go to the company's website and have them give you instructions on how to do it if it is even possible.
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File encryption and decryption

hi,
There are too many technics and tricks to use Encryptions/Decryptions. But my suggesstion is to use your own tricks that will be easy and safe for you and hard to another one to decode.

Anyway click here to get a link with source code in c or just copy the following in your browser address:
http://www.gmonline.demon.co.uk/cscene/CS4/CS4-03.html

I think will help you.

Thanks
[email protected]
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