Making Self-Decrypting EXE file

This is a discussion on Making Self-Decrypting EXE file within the C Programming forums, part of the General Programming Boards category; Hi, I want to make an Encryption/Decryption program. I want that my program should make a Self-Decrypting EXE file. If ...

  1. #1
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    Angry Making Self-Decrypting EXE file

    Hi,

    I want to make an Encryption/Decryption program. I want that my program should make a Self-Decrypting EXE file. If this file is run, it should ask password and then extract the original file.

    Please suggest from where I can get detailed information on this.

  2. #2
    Registered User mlupo's Avatar
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    I'm not real sure if this site will help you, but they are a well known encryption/security solutions provider.

    http://www.rsasecurity.com/
    NEVER PET YOUR DOG WHILE IT'S ON FIRE!

  3. #3
    Just because ygfperson's Avatar
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    like winzip does? hmm...
    create a huge array, and assign a program file to it. you might want another program to hard-wire the data into your source code. before you do that, you probably want to encrypt it first.

  4. #4
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    An idea:
    First is could encrypt the data, then you're program should make an program (exe-file). This program should have a pointer to the encrypted data and should know how to decrypt it and then write it to a new file.

    The following two links are about self-extractors, I know it is not exactly what you want. But maybe it gives an idea of about how it could be done.

    www.codeproject.com/file/self_extractor.asp
    http://www.disoriented.com/FreeExtractor/

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