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Questions tagged [copy-protection]

Copy protection is the addition of technical measures to an application to prevent unauthorized copies of the application from being made or used.

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0answers
79 views

Allow Third Party Access to Source Code without right to redistribute or sell [closed]

I am in a situation where a client is asking that I develop a custom software product for them. They've asked that I subcontract under another party that they have worked with before. In reading the ...
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3answers
323 views

how to protect against theft of a class. (neural network class) [duplicate]

I am writing software that makes use of a neural net. What makes my network special as compared to others, is the way I train them. Its non standard, its something that I don't want to give away to ...
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2answers
133 views

How Do Copied Serial Numbers Work?

I've seen some serial numbers that have been disclosed on the net and can be used to activate any number of copies of software. How is that possible? Doesn't the software provider check the serial ...
3
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3answers
285 views

PHP/JS software copy protection

First of all I know nothing I can do that 100% prevents illegal copying of my software. I'd like to just make it reasonably hard for a competent person to do, and almost impossible for an ...
0
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2answers
703 views

How to prevent copy of my Java application's local multimedia content?

I have recently started a project where I need to make extensive use of videos and books. And all of them are needed to be stored locally. I want to be able to search all these books and get access ...
2
votes
2answers
72 views

Is it worth adding identification to trials/demos? [closed]

In the world of pirates stealing software, one common technique is to download a trial or demo, patch it and upload this as the stolen version of a piece of software or game. This makes me think: if I ...
3
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1answer
2k views

How would one go about creating a “Licence Key” for a distributable source-available Software project?

It has been a while since I have seen anything you can download which has to connect to license server in order to monetize a piece of software (and the last time I saw it, it went very wrong when the ...
-1
votes
1answer
341 views

Execute python code without showing the code

I want to use exec to execute python code (using the byte code, instead of the raw text that python will interpret). It's all for a competition where you can see the code of the other competitors, I ...
29
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7answers
4k views

Is there any algorithm pattern to protect any content in the web to ensure I am the first one who created it?

A few years ago there was this hacker (don't remember who he was) that full disclosed a vulnerability in a given system, but to make sure nobody took credit for that, he created some kind of PGP key. ...
0
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3answers
168 views

protect purchased games to be downloaded on other pc

I want to make a downloads managing system on my website, that when you purchase a download, you can always re-download it again for free. (i have read that Steam does something similar) The problem ...
4
votes
2answers
1k views

How does customized executable generation work?

One of the things that Valve's Steam distribution platform is known for is its Custom Executable Generation system, which creates a unique copy of a program for each person that buys it. I'm sure ...
1
vote
3answers
115 views

Do I have to include the Copyright notice from the original author?

I'm using some codes that I modified, from Paradigms of Artificial Intelligence Programming to create another project, the project is released under GPL V2. The License agreement is written here, it ...
3
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1answer
234 views

What is the identification procedure that registers a mobile device on a subscriber account and installs purchased content?

We know there are several moving parts to a system like the apple store or google play. At the very least; The device has a unique hardware id or sim card The user has a login/pass The "store" site ...
6
votes
4answers
39k views

How to protect my php code running on a client server?

I'd like to ask how to protect my code that is running on a client server from being altered and/or copied. It's running on Ubuntu Server with the standard Apache Php Mysql stack. Any software needed ...
3
votes
5answers
2k views

Is “watermarking” code with random trailing whitespace a good way to detect plagiarism?

Consider this: int f(int x) { return 2 * x * x; } and this int squareAndDouble(int y) { return 2*y*y; } If you found these in independent bodies of code, you ...
5
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3answers
252 views

How to efficiently protect part of an application with a license

I am working on an application that has many functional parts. When a customer buys the application, he buys the standard functionality, but he can also buy some additional elements of the ...
-1
votes
1answer
558 views

Is there any legal issue for copying javascript code to website [closed]

I am making one website and i want to use mortgage repayment calculator. I have seen many real estate sites using that. I want to know that i copy their javascript calculator code and style my form ...
4
votes
1answer
287 views

When they say its open source it means i can take their pictures?

when they say that a project is open source (i.e. LifeRay) does it mean that I can take anything I want from that project? I want to use some of the icons used in LifeRay portal for my own (...
11
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14answers
1k views

Should I worry about 'Javascript piracy'?

If I write a client-side Javascript app (with a little bit of server interaction), how can I prevent people from copying the Javascript files to their own site? Should I, at all?