USB Key License

USB Key License



we created a large static library using Intel FORTRAN, winch can be included in a FORTRAN project , and we would like to protect and secure this library using USB key. In other words I would like to write a subroutine in that library to check if the USB key exists or not, in case the key is there the library will continue otherwise it will stop and send a license message for the user. Could any one give me directions or provide me some articles about how to do that?

Any help would be very much appreciated.


Many thanks



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There are multiple companies offering such products.  Most of these supply DLLs or libraries assuming you use C#, C++ or VB.  Of course, if they don't supply Fortran wrappers you could write your own.

I did a quick Google search on "Software licensing technology USB" and got a number of hits on such products.

Good hunting!


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