copy-protection

How to create a license key as a downloadable, and check for it on Android

I'm sure this is fairly basic, but I don't know quite what to search on to get a concise tutorial. I want to create an app and make it downloadable on the Android Market for free. Then, I want to create one or more apps which are just license keys which open up certain functionality on the free app. What's the best way for the free ap...

License key library for C# windows application that is open source / free

Any recommendations for an open source (free) C# library/application for a C# Windows Application that could be used for: (a) creating license/product keys and (b) has library that can be used within the code to perform a check to see whether the entered license key is valid? (I've seen other posts which cover commercial products, but h...

password protect asp.net application?

Hi, I have built an ASP.NET application that needs to be password protected. This application will be installed on multiple offline computers, and we need to make sure that when being installed it requires a password. But even if it requires a password, someone can easily copy the database and the published folder and duplicate the appl...

how to implement copy protection for installing my .net application

I have gone through the several samples in the web.I understood to protect software by giving Password for each application.I am not asking about abstract concept because I had developed one concept for mine.My question is Where can I implement this codes ? I read about various options in visual studio such as setup project,clickonce....

How can I prevent my legitimate customers from Breaking my license?

I have a commercial plug-in on top of Visual Studio. My product is licensed per individual developer, so the developer may make copies on more than one computer, as long as the use of the product is by the same developer. After a period of time I discovered that many of my customers purchase one developer license and distribute the pro...

using iframe to display the other site content

I see the websites displaying other websites in their website using iframe. Example: http://www.bigresource.com/Tracker/Track-vb-c9WiXD1ijR/ this site displays codeguru.com content. Is this legally allowed? Should they need permission from codeguru.com explicitly to display their content? ...

protect images on webpage from being copied/saved ?

Hi all, i'm running a niche website for a very conservative group and one request they have is that we need to make it as difficult as possible for users to save images of other users. i know there is no way to satisfy this requirement 100% but at least i can make it difficult for people to save images off the site. The only thing i've ...

Product Serial Key / Purchase

I am attempting to create an application which, at some point, I would like to sell. I understand that any protection scheme can be bypassed. Could you recommend any ideas on what would be easy for the end user but also be at least slightly resistant to piracy. I've had some ideas about: The user creating an account when the buy the s...