copy-protection

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 4 years ago . I want to sell my Java application using PayPal. When a payment is received, the customer is mailed a one-time download link to my application. My question is, how do I prevent people from sending the .jar file to their friends/uploading it on the internet? Obviously I need some

问题 This question already has answers here : Closed 9 years ago . Possible Duplicates: How do you protect your software from illegal distribution? Best practice to prevent software copy Hypothetical situation: Lets say I have built a software product from the scratch and it does wonderful things. The only problem is that, once someone takes a look at the code, they will understand it very easily and they can easily build it up themselves. Now, the thing is that I built the code from the scratch

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 4 years ago . I have a piece of software with different unlockable modules. Each module has to be purchased separately. I've started with assigning a unique key to each module via Guid.NewGuid method. Now I have to provide users with serial numbers for activating those upgrades, and then the

问题 I build my first electron app but now I wonder how to protect the source code to be view by other developers. The official doc says : To protect your app's resources and source code from the users, you can choose to package your app into an asar archive with little changes to your source code. So far the best I can think of is uglyfy the source-code and package it into a asar file, but the asar file is just an archive and can be easily be extracted. I don't see how having that make your code

问题 Maxmind offers a binary DAT file format for downloading their GeoIP database. http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz Does anyone know how this has been packaged? Also, is there any kind of copy protection on the data? I'd like to offer up a set of data in a similar way. Anyone with any knowledge of this will receive my undying gratitude :-) 回答1: It's just a proprietary binary format, heavily optimized for IP address querying. It doesn't have any copy protection.

问题 I'm totally new to the Android Play store. I'm working on an app that is almost finished and ready to publish. But I notice that you can copy the apk file (after purchase) to another location (sd card for example) and install it on another device. That is something I want to avoid. My questions are: Does the Google Play store sign the apk file with some unique id before downloading? If is true, can I read/get this code from the apk? Is it possible to know the email-address of the user that

问题 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. My dongle device comes with an api which provides these: Check dongle existence Check proper dongle Write into a memory location in dongle Read from a memory location in dongle etc. (I think the rests aren't that good..) What I can do in the source code so that it becomes harder to crack. Dongle provider suggested that, I should check proper

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 6 years ago . I saw a lot of methods to protect css files but none of them is 100% safe or in other words it is very easy to manipulate the block and get the css file. I was wondering what is the best method to protect css. 回答1: CSS files, like javascript and HTML, can be minified. For all three, their

问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 6 years ago . I saw a lot of methods to protect css files but none of them is 100% safe or in other words it is very easy to manipulate the block and get the css file. I was wondering what is the best method to protect css. 回答1: CSS files, like javascript and HTML, can be minified. For all three, their

问题 I wish to create shareware software that contains a registration algorithm. I am looking for a programming language, that cannot be easily decompiled into readable code. For example, C# can be decompiled into readable code. What are my options? Edit: I'm looking for something that can be only decompiled into assembly. Delphi, for example, cannot be decompiled like C# or Java, but from what I've heard, Delphi is dying. 回答1: Delphi is not dying, it is alive and well. As is the community, at