how to give security to software?
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Posted By:   sachin_kataria
Posted On:   Wednesday, April 19, 2006 07:44 AM

how to give security to product, i.e. software?

i.e. how to give product id or license key to any product?
and another security is,

if software is installed and running on one machine then we can not install it on another machine...
pls help me....

Re: how to give security to software?

Posted By:   Robert_Lybarger  
Posted On:   Wednesday, April 19, 2006 06:08 PM

The vagueness of your question forces some assumptions. If two machines are on a network, you can have the software (or some other standalone piece of software) communicate via network traffic (broadcast TCP for example) to coordinate the fact that some given software key is/has been used. Of course, if the two machines are not on a network together this won't work. In that case, you may need a product activation scheme. (The installer creates a magic sequence of numbers that will be the same on that machine and yet different across machines... plus it needs to be different across upgrade versions; then the customer phones in that magic sequence to get a corresponding sequence of numbers to type in. The application refuses to install/run if those sequences don't match up.) You'll need to further research details. Google can probably help with this more than this forum.
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