Serial number generation algorithm for C# application

Question

I am developing a shareware c# application which accepts a serial key generated in my website.

I am following the following approach suggested by Joseph Spiros

You bundle your public key with the application. When the user buys the application, they supply their name and e-mail address. The web site hashes the user's name and e-mail address, signs the hash with your private >key, and provides the result in Base64 to ease typing. When the user enters the "code" into your application along with their name and e-mail >address, your application can verify that it was signed by your private key (which only >you/the web store has access to), and that it matches the name and e-mail provided by the >user.

My website runs on linux server so that the program generating the licence will be written in php. The software is developed using c#. Please tell me whether the licence/hash generated and signed using a private key in php will be compatible with the public key in C#.

A pointer to an example would be helpful.

BTW, the language is "C#", not "CSHARP" or "C-SHARP".

John Saunders
– John Saunders

2011-01-01 18:24:33 +00:00
Commented Jan 1, 2011 at 18:24 — John Saunders
– John Saunders, Commented Jan 1, 2011 at 18:24

Petrus Theron · Accepted Answer · 2011-01-01 18:20:53Z

2

Have a look at the Shareware Starter Kit for an example of licensing shareware on a Microsoft stack.

answered Jan 1, 2011 at 18:20

Petrus Theron

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