Particulars of implementation depend on your deployment platform. It would take someone either having a copy of your program, grabbing the text file from the key, and then modifying your program to include that text file, and then knowing that that particular file will be the 'right' way to display images. That way, if someone tries to just simply remove your dongle, all the images in your program will be blacked out.
Then you put that information on the key, and only use information from the key in order to show images. Shader routines are text files that are sent to a graphics card to achieve particular effects a very simple brightness/contrast filter would take less than 500 characters to implement, and you can store that in the user space on most dongles. One example of this would be shader routines. I would find a key portion of your code, something that's difficult or hard to know, something that requires domain knowledge. Dongle Kopieren SoftwareĮveryone will tell you this. Someone who knows what they're doing will just remove the call to the dongle and put in a 'true' for whatever result that was called. I have already done that.įirst of all, realize that the dongle will only provide a little bit of an obstacle. (I think the rests aren't that good.) What I can do in the source code so that it becomes harder to crack.ĭongle provider suggested that, I should check proper dongle existence in a loop or after an event, or I should use the dongle memory in an efficient way. Read from a memory location in dongle etc.Write into a memory location in dongle.
My dongle device comes with an api which provides these: I have developed a software piece (with C and Python) which I want to protect with dongle so that copying and reverse engineering becomes hard enough. Software developers want to secure their products from copying to that end they introduce dongles. How to share USB dongle over LAN or Internet.
All I know is it used to be a USB Dongle Key to licence a simulation software. For e.g there are lot of educational stuffs that has a hardware protection schemes. Dongle emulator is ideal insurance agains dongle problems.
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