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Crysis 2 CryEngine 3 Crypto Toolkit
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  1. #1
    Reverse Engineer


    fairchild is offline
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    Location : Spain / Sweden
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    Crysis 2 CryEngine 3 Crypto Toolkit

    Crysis 2 CryEngine 3 Crypto Toolkit by fairchild (www.360haven.com)
    ================================================== ===== version 1.1 ===


    After many hours of debugging Crysis 2 i realized no one else had made
    any program to decrypt / encrypt the "CRYe" encrypted files, so i created
    this little tool.

    It can be used to decrypt / encrypt any files from Crysis 2 as long as
    the first 4 bytes in the header are "CRYe". You can even convert savegames
    from different platforms if you wish.

    And YES! It's a console based application....


    Now enjoy! And give proper credits if used somewhere else!

    /fairchild

    HISTORY
    -------
    1.0
    - Decryption was added with support for PC1 (Beta) and XB1 (XBox 360 Retail)
    - Key generation routine was successfully reversed, no more need for debugging key.

    1.1
    - Encryption routine was added
    - Support for PC2 (PC Retail) was added.


    FUTURE FEATURES
    ---------------

    - Decrypt / Encrypt online profiles
    - Decrypt / Encrypt (Extract / Compress) custom Crysis 2 .pak files




    USAGE
    =====

    Code:
    Usage: crysis2 <option> <platform> <input> <output>
    
    Options:
                    -e      - [CRYe] Encrypt file.
                    -d      - [CRYe] Decrypt file.
    Platforms:
                    PC1 - PC (Beta version)
                    PC2 - PC (Retail version)
                    XB1 - Xbox360 (Retail version)
    
    Greetings goes to: Unknown_v2, aluigi, Duella, feudalnate.
    Examples:


    This is how to encrypt a file for use with PC (Retail version).

    > crysis2 -e PC2 decrypted encrypted


    And this is how you decrypt a file from PC (Retail version).

    > crysis2 -d PC2 encrypted decrypted

    Same will applie for any other supported platform added to this util.


    DOWNLOAD

    Download v1.1
    Download v1.0
    Last edited by feudalnate; 04-16-2011 at 02:30 PM. Reason: Link
    Downloads : 47 || Uploads : 4 || Rep Power : 2981 || Posts : 211 || Thanks : 71 || Thanked 736 Times in 108 Posts


    If you feel like donating some bit coins, please do so to address "1DNcjKhrVTGnKTyQYbjx8yTRoenTSySeoP", if you are interested in other projects visit www.chipit.se or www.baeckstrom.com, thanks!

  2. The Following 22 Users Say Thank You to fairchild For This Useful Post:

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  3. #2
    WELLS51
    Is this the decryption of the save files or something else?

  4. #3
    Reverse Engineer


    fairchild is offline
    Join Date : Jan 2011
    Location : Spain / Sweden
    Posts : 211
    Array
    Its for any encrypted file from Crysis 2 that has the header "CRYe".
    Downloads : 47 || Uploads : 4 || Rep Power : 2981 || Posts : 211 || Thanks : 71 || Thanked 736 Times in 108 Posts


    If you feel like donating some bit coins, please do so to address "1DNcjKhrVTGnKTyQYbjx8yTRoenTSySeoP", if you are interested in other projects visit www.chipit.se or www.baeckstrom.com, thanks!

  5. #4
    Extorris
    Renegade is offline
    Join Date : Nov 2010
    Location : United Kingdom
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    Nice work, Looking pretty awesome :)

  6. #5
    The Immortal God
    Rpg_Fan

    CloudStrife7x is offline
    Join Date : Dec 2010
    Location : Unknown
    Age : 29
    Posts : 18,760
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    Twitter: @
    nice looking toolkit keep up the great work
    Downloads : 157 || Uploads : 0 || Rep Power : 22146 || Posts : 18,760 || Thanks : 4,451 || Thanked 3,095 Times in 2,607 Posts



  7. #6
    Reverse Engineer


    fairchild is offline
    Join Date : Jan 2011
    Location : Spain / Sweden
    Posts : 211
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    Added version 1.1, so now you can both decrypt and encrypt your files. If someone is able to get there Playstation 3 savegame somehow im happy to add support for it.
    Downloads : 47 || Uploads : 4 || Rep Power : 2981 || Posts : 211 || Thanks : 71 || Thanked 736 Times in 108 Posts


    If you feel like donating some bit coins, please do so to address "1DNcjKhrVTGnKTyQYbjx8yTRoenTSySeoP", if you are interested in other projects visit www.chipit.se or www.baeckstrom.com, thanks!

  8. #7
    Extorris
    Renegade is offline
    Join Date : Nov 2010
    Location : United Kingdom
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    Quote Originally Posted by fairchild View Post
    Added version 1.1, so now you can both decrypt and encrypt your files. If someone is able to get there Playstation 3 savegame somehow im happy to add support for it.
    Wouldn't matter, as the PS3 has the standard encryption on top of what your application does, Each save on PS3 has it's own save handler, making it difficult to decrypt.

  9. #8
    Reverse Engineer


    fairchild is offline
    Join Date : Jan 2011
    Location : Spain / Sweden
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    Quote Originally Posted by Renegade View Post
    Wouldn't matter, as the PS3 has the standard encryption on top of what your application does, Each save on PS3 has it's own save handler, making it difficult to decrypt.
    Too bad then :/, cause i have the key for PS3 aswell but then theres no point adding support for it as people will just complain that it doesn't work if another layer of encryption is added.
    Downloads : 47 || Uploads : 4 || Rep Power : 2981 || Posts : 211 || Thanks : 71 || Thanked 736 Times in 108 Posts


    If you feel like donating some bit coins, please do so to address "1DNcjKhrVTGnKTyQYbjx8yTRoenTSySeoP", if you are interested in other projects visit www.chipit.se or www.baeckstrom.com, thanks!

 

 
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