copy-protection

问题 How can I add license to my C# desktop application? I need to find a suitable free method to prevent unauthorised users installing my software. 回答1: There are plenty of license management systems out there for .NET (there's even one built-in for licensing controls). A quick Google around for ".NET licence manager" threw up the Open License system, which is free. I expect you can easily find more. 回答2: I'm probably a bit late, but I spent a bit of time trying to work out a quick and effective

问题 I have an apk file, that is non-free My questions is the following: 1, If Copy Protection is set to "true" on the market, the users can copy my apk file from the device or not? (rooted/non rooted) copy apk from device 2, If they can: what is the best way to make a REAL copy protection? Thanks, Leslie 回答1: 1. Yes they can , in rooted phones: http://theandroidsite.com/2009/11/22/how-to-backup-protected-and-paid-android-applications-for-root-users/ APKs are probably stored in /data/app: Does

问题 Anyone visiting a torrent tracker is sure to find droves of "cracked" programs ranging from simple shareware to software suites costing thousands of dollars. It seems that as long as the program does not rely on a remote service (e.g. an MMORPG) that any built-in copy protection or user authentication is useless. Is it effectively not possible to prevent a cracker from circumventing the copy protection? Why? 回答1: Sorry to bust in on an ancient thread, but this is what we do for a living and

问题 So we've been through this several times now, we release a game (for cheap) and someone hacks it and puts it up on a mirror. We setup Google Alerts for all our apps, so we get told daily who's doing the hacking. So far, we have implemented the licensing service as Google has suggested, our salt is randomly made each time the license is initiated with the unique device ID. We run the check service once, when the application is started for the first time. We then generate a 512 character hash

问题 I am developing a piece of software in Python that will be distributed to my employer\'s customers. My employer wants to limit the usage of the software with a time restricted license file. If we distribute the .py files or even .pyc files it will be easy to (decompile and) remove the code that checks the license file. Another aspect is that my employer does not want the code to be read by our customers, fearing that the code may be stolen or at least the \"novel ideas\". Is there a good way