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Editorial Team
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Asked: 2026-05-29T05:28:06+00:00

Informative I’m working on a project that loads a binary file from the disk.

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Informative

I’m working on a project that loads a binary file from the disk. This file has a specific structure to store data and I need to protect this file from being loaded if the data was generated/tampered by third parties.

Resume

I have a file that I must check if the “creator” is me before loading.

Project Specification

  1. The application that loads the file is written in C++.
  2. The application that generates the file is written in C#.

Question

  • What are my options to accomplish this?
  • What libraries/algorithms to use?
  • Can you provide me some steps or guides?

Notes

  • I have Crypto++ linked to the C++ project if it helps.
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1 Answer

  1. Editorial Team

    What you are looking for is a signing/certifying system wirth asymetric keys. The functionality is built in .Net. A Quick google search shows this example which looks legit.

    Keep in mind though, that if you don’t have the full control of the certification process (if your application is on a client’s computer), someone might decompile the code to bypass the check.

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