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Class: EFC/XFSS - Extended File Stealth System


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      Classes of Lopo Lencastre de Almeida  >  EFC/XFSS - Extended File Stealth System  >  Download  >  Support forum Support forum  >  RSS 1.0 feed RSS 2.0 feed Latest changes  >  Stumble It! Stumble It!  >  Bookmark in del.icio.us Bookmark in del.icio.us  
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  • Screenshots:

    Uma imagem do exemplo
    File Role Description
    Accessible without login Image file Screenshot Screen Uma imagem do exemplo

  • Supplied by:

    Picture of Lopo Lencastre de Almeida
    Name: Lopo Lencastre de Almeida is available for providing paid consulting. Contact Lopo Lencastre de Almeida .
    Published packages: 1
    Country: Portugal Portugal - PHP jobs in Portugal
    Home page: http://www.ipublicis.com/
    Age: 42
    All time rank: 996
    Week rank: 1294

    Browse this author's classes

  • Groups:

    Group folder image Files and Folders Listing, accessing and manipulating files and folders View top rated classes
    Group folder image Cryptography Encrypting, decrypting and hashing data View top rated classes

  • Detailed description:

    The main idea behind "EFC/XFSS - Enhanced File Crypt/Extended File Stealth System" is to have your uploaded files safe in the server in a way that, even if someone can get them, no one can read them without knowing a few details to decrypt the files.

    The class uses a random trick to select the encryption method that is used. This will always generate diferent encrypted files.

    The file names are also obfuscated, so a sneaker will not know what the original format was.

    This class was mainly developed to be used with GPL'ed Care2002 Medical Information System (www.care2x.org). However, its use was postponed because most of the files uploaded were images and most of them do not have any personal identifiable info on them.

    This class, in a broader sense, has yet a long way to go. For now it is simply a sub-class of part of the RC4Crypt class. It allows an easy process of encryption and decryption of uploaded files. It requires libmcrypt support and, when possible, an SSL internet connection to be used.


    The class needs mcrypt PHP functions. The next challenge will be to encrypt and decrypt the files at client side, perhaps with Javascript, for those that cannot have an SSL connection, and also the creation of a replacement class for those that do not have the possibility to use libmcrypt.

    The only files that you need to look at into are index.php, srcefc.php, mkconfig.php and .htaccess (the last one to use in the secured directory for strict security if you can not put it outside Web document tree).

    The documentation is inside these PHP scripts.

    You also need to search for the definition of __SECURE_PATH__, and modify the path in the above PHP files.

  • Freshmeat project:

    EFC/XFSS - Extended File Stealth System
    Project record: efcxfss
    Popularity score: 303.70 (0.49%)
    Popularity rank: 11,870 (PHP Classes: 84)
    Vitality score: 1.00 (0.00%)
    Rating: Not yet rated Please rate this class in Freshmeat

  • User ratings:

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    140
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  • Applications that use this class:

    No application links were specified for this class.
    Add link image If you know an application of this package, send a message to the author to add a link here.

  • Files:

    File Role Description
    Plain text file .htaccess Data Simple protection for SECURED directory under Apache
    Plain text file cleanex.php Aux. Small utility to clen up your test SECURED directory. Don't use it in a production environment without caution.
    Plain text file crypt_class.php Class Slightly modified RC4Crypt Class
    Plain text file efc.class.php Class The Class
    Plain text file index.php Example Test file. Read it to see how to use the Class.
    Plain text file mkconfig.php Example Generates config for test program.
    Plain text file srcefc.php Example Test file used by index.php. Read it to see how to use the Class to retrieve encrypted files.
    Download all files: efc_xfss.tar.gz efc_xfss.zip
    NOTICE: if you are using a download manager program like 'GetRight', please Login before trying to download this archive.

 
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