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Create a key for software developed with vb.net

Guys Hi, I developed a payroll software using vb.net ... Its work is great, and I converted it to an exe file ... My drawback is that it can be easily copied and pasted into another system. .. I want to generate a key for the exe file and when installing the key should be used, and when the installation is complete, the key should not be used again ... Is it secure or give me some ideas how to do this ....

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There are many products on the market that help you generate software keys, such as www.softwareshield.com and www.exeshield.com. Or just google search .

For more serious protection, you can use a hardware key that unlocks your software, for example http://www.matrixlock.de/english/index.htm

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It all depends on your feeling.

If you target end users / home users : no matter what you do, your software will be hacked (if it is good enough).

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Regardless of the copy protection scheme used .... just make sure that your paid users do not get this big discomfort .... You want bad users not to copy your software without permission, but when good users get problems because of for failures in your copy protection software, you will lose a lot of credits.

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Source: https://habr.com/ru/post/1719867/

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