License enforcement the application of an access control policy on code, restricting the environments in which it may be executed.

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0
votes
1answer
372 views

copy protection (or licensing) mechanism for an android app

I am trying to implement a copy protection (or licensing) mechanism for an android app. The app is not distributed through Google Play or other online market and instead it is distributed through ...
11
votes
3answers
9k views

License key / Serial number generator and checker

I need a serial number generator and accompanying checker. I would like to be able to set a salt (and maybe a length). The generator should only produce serial numbers that pass the test of the ...
2
votes
2answers
178 views

Obstacle in Implementing a Time Limited/Number of Use Limited Software

How does one implement a trial period in a product properly, e.g. a trial period that lasts 30 days, or limits the number of product uses to 10? Storing the entries, even in an encrypted form, isn't ...
3
votes
1answer
211 views

Encrypting/decrypting our license key

We need to provide a license key to customers for our application. The actual license is XML but we need to encrypt it and then in our program decrypt it. I think it is the following, but am asking to ...
1
vote
2answers
77 views

Restricting source code to domain name

I'm starting a very large project soon. It must include a licensing system. The project will produced using PHP/Laravel/JavaScript and use many different libraries, a CMS, and a few databases. The ...
4
votes
1answer
297 views

Storing License Keys

I'm creating an application which generates licenses key and stores this in a database (the licenses are checked online). I don't wish to store these license unhashed, in case the database is stolen. ...
1
vote
5answers
1k views

Encrypt-function inside PHP code that you have to publish

If you write a PHP application, where you have to deliver the compiled code to the customer, how could you include a functionality to send encrypted data from that application to others, and include ...
3
votes
3answers
159 views

Should you notify software vendors that their software has been cracked?

Apologies if this is not the right place to ask this question, I will happily move it to another Stack Exchange site if need be. Before I explain the rationale behind the question, let me clear up a ...
-2
votes
1answer
123 views

Am I covered with GPL If I want to share open source code of project developed in my company? [closed]

I do not know if it's the right place to ask this question. But I find that this site is the closest site in the exchange sites to ask a such question. I m working in a company and in my job contract ...
-3
votes
1answer
2k views

How can police find out about criminal activity on an iPod Touch?

Higher authorities could easily find out about criminal activity - such as drug trafficking and child pornography - being conducted on a laptop simply by hacking into it or somehow seeing the history. ...
3
votes
1answer
170 views

The best ways to persist the license client information in the database

I develop a license server and a license client system (Java based applications). The flow is the following: The license is stored on the license server The client application includes a ...
0
votes
3answers
177 views

Implement server serial key for server software

Me and my friend want to sell game server-side software, but we want some sort of control, over use of that software. For example, we want some sort of serial key system, so only verified/paid ...
6
votes
3answers
503 views

A safe license System

So I'm trying to think of a good way to check if the license key a user supplies for a program is legit or not. Let's suppose this is the way they get there license They make some type of purchase. ...