Add licensing system to a software.

I have a program written on c# for windows. The program is a helper, which grabs information from another program (from a game) then processes it and then saves it into text files.

I've decided to sell the program and because of this I need a licensing system added to it. The main objective of licensing system is protection from piracy. I need a somewhat strong protection that cannot be cracked or bypassed within several hours of work of a competent specialist. I am also considering to hire another person who will test the program's security by trying to crack it.

I'm not extremely competent in this area and looking forward for your suggestions on implementation but from what I know I think that the protection should include:

1. A licensing server that is queried by the program at the beginning of the work and then requeried during the work within some period of time. The server response either gives or denies permission for the program to run. It also sends the details regarding the parts of program that are allowed to work within current user's license. Obviously the server's response must not be easily changeable by a fake response from a different server.

2. It should include a debugger prevention system, i.e. the program should halt if a debugger is detected in the system.

3. Some portions of code of the program should be inserted directly to RAM and not be saved to the hard drive (they should be obtained from licensing server).

Previous developer doesn't have enough time to work on project so the decision was made to pick a new one. Previous developer is ready to spend some time consulting a new developer.

The project is dynamic and after the licensing is done I'm looking forward for you to continue work on it since there are several tasks that should be implemented. I expect that these tasks should take 10-15 hours/week.

Evner: C programmering, C# Programmering, Software Arkitektur, Software Udvikling, Windows Skrivebord

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Om arbejdsgiveren:
( 2 bedømmelser ) Kiev, Ukraine

Projekt ID: #15377572

21 freelancere byder i gennemsnit $1254 på dette job


Greetings sir, how are you today sir? hope fine. Sir, I have read your project details and sir, you can check my website, i already have many software for sell with same kind of licensing support. I can implemen Flere

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Hi, sir I understood you want to create a licensing system. I have 6 years of experience in reverse engineering. I've cracked a lot of systems, so I know what I should do in order to prevent crack. Relevant Skills and Flere

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Hi, Dear Employer! How are you? I have enough experience on C/C++, C# programming . I am really interested in your project. I am 100% sure i can satisfy your requirements perfectly. User-Friendly Interface And Cl Flere

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Expert C# developer here Relevant Skills and Experience i will add my existing licensing module which i use in my products + i will obfuscate the whole program, such that no one can even understand the code after dec Flere

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Dear Sir, I'm writing in response to your task post. As Senior Level software Engineer with more than nine years of experience in C++,C# I would bring a high quality and focused mindset to this job. Relevant Skills an Flere

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# kindly don’t directly award the project# I am Deep, Operations’ Head from WEBDEVELOPERINDIA GROUP with 149 reviews in Thanks for the basic project details. Guaranteed quality delivery with certified de Flere

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I can deliver this task in two days. An all rounded IT professional with over 7 years hands-on experience at an enterprise level.

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