Questions tagged [license-key]

A license key is a type of software protection and can take many forms. In some form or fashion they grant permission to an application to execute.

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What is the difference between encrypting and signing in asymmetric encryption?

What is the difference between encrypting some data vs signing some data (using RSA)? Does it simply reverse the role of the public-private keys? For example, I want to use my private key to generate messages so only I can possibly be the…
mmcdole
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How are software license keys generated?

License keys are the defacto-standard as an anti-piracy measure. To be honest, this strikes me as (in)Security Through Obscurity, although I really have no idea how license keys are generated. What is a good (secure) example of license key…
rook
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How to generate and validate a software license key?

I'm currently involved in developing a product (developed in C#) that'll be available for downloading and installing for free but in a very limited version. To get access to all the features the user has to pay a license fee and receive a key. That…
Riri
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How can I create a product key for my C# application?

How can I create a product key for my C# Application? I need to create a product (or license) key that I update annually. Additionally I need to create one for trial versions. Related: How do I best obfuscate my C# product license verification…
J3r3myK
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How to change Visual Studio 2017 License Key?

I want to remove my license key in visual studio 2017. how can i do it? I am trying to change the product key but I cant.
kazi fahad Lateef
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Developing licenses in C# - where do I start?

I'm interested to find out whether there are any standards or resources that you can recommend for developing license models in C#?
user338195
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CPU serial number

How do I obtain the serial number of the CPU in a PC?
selwyn
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Software protection and license management

I have following requirements for selecting a license product for my software .Net based License manager - Should be able to view and manage the customers interactively, automatically,e-commerce is not mandatory. Good Customer support, examples…
RobinAtTech
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Generating Device-Specific Serial Number

I would like to be able to generate unique serial numbers for each Android device for use in unlocking an application. How could I do this? EDIT: The reason is I want to revamp a paid application and provide users who have paid for the old version,…
Aymon Fournier
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Delphi RAD Studio Serial Number

We currently use Rad Studio 2007 and are expecting to upgrade to Delphi XE soon! Does anybody know how we can see what the serial number was used when installing Rad Studio 2007? Regards, Pieter
Pieter van Wyk
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IntelliLock vs Net Reactor

What is/are the difference(s) between these two? And why would I want one or the other or both? This is for a commercial .NET C# WPF application that will be packaged via WiX. I will need a trial license to purchased license capability.
Steve Mills
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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…
Greg
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Serial generation with PHP

Throughout my days as a PHP Programmer and a beginner at C# programming I've always wondered of the best way to generate unique serials such as how Microsoft Office and Microsoft operating systems do. Does anyone have a good guide to how to handle…
RobertPitt
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Development/runtime Licensing mechanism for a C# class library?

I'm developing a .Net class library (a data provider) and I'm starting to think about how I would handle licensing the library to prospective purchasers. By licensing, I mean the mechanics of trying to prevent my library from being used by those…
Darryl
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Upgrading from visual studio 2017 community to Pro

I have been using the Community edition of Visual studio 2017 but now my office has purchased a Visual Studio 2017 Pro License key. Is there a way in which I can upgrade using just the license key..?? without re-installing the software..? I have…
Vishweshwar Kapse
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