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It is a way to nudge them into remembering that the software is not free and they should be paying for the appropriate number of licenses. But the majority of people are between these two extremes.Īdding some simple protection scheme is a good way of making that bulk of people in the middle act in an honest way. Very honest people will always stick to the rules even without a licensing scheme just because that is the kind of person they are. #Hack flexlm license manager download cracked#Remember that dishonest people will never pay for your software and always find/use a cracked version. But it is still well worth adding some form of protection to your software. You can search for cracked versions of any well known piece of software in order to confirm this. Given a little time your software will always be cracked. #Hack flexlm license manager download verification#This way anyone wanting to pirate your software has to figure out what the operation is and reimplement it - much harder than just defeating a pure software protection.Įdit: Just realized some of the verification stuff is backwards from what it should be, but I'm pretty sure the idea comes across. Your software then calls into the dongle any time it needs to do the operation you wrote in HDL. The dongle validates the encrypted challenge string with the public key and goes into an 'enabled' mode. The software then sends it to the dongle. Your software should ask the USB dongle for a challenge string and send it up to the server for encryption. Then make a USB dongle that contains your public key and generates random challenge strings. Generate a public-private keypair and make a webservice that takes a challenge string and encrypts it with the private key. An example way it can work well is this: Find a (fairly) simple but necessary component of your software and implement it in Verilog/VHDL. That said, hardware protections can work well. Software protections aren't worth the money - if your software is in demand it will be defeated, no matter what. Web service runs critical code (hackers never get to see it).Hardware key (includes portion of program algorithm that runs on the key).Hardware key (public/private key cryptography).Encrypted key holds portion of program algorithm (can't just skip over the check - it has to be run for the program to work). ![]() #Hack flexlm license manager download registration#
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