run vb.net application in only one PC

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hi,

i want to run my vb.net application in only one machine. like licence version.

Posted 19-Sep-11 2:20am

Bhatt Aniruddh

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koolprasad2003 · Answer 1 · 2011-09-19T02:25:00

Solution 1

you need to check the unique hardware ID/serial no of that machine and validate it in your code.

Use MACID to validate for uniqueness. Get MACID of computer encrypt it and store it in .TXT file. when user try to login the application check the MACID from TXT file should match with the computer's MAC.

Posted 19-Sep-11 2:25am

koolprasad2003

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[no name] 19-Sep-11 8:36am

i want solution like serial number. one serial number run in only one PC.

#realJSOP 19-Sep-11 8:43am

Then why didn't you specify that in your original question? We can't read your freakin' mind, dude.

#realJSOP · Answer 2 · 2011-09-19T02:44:00

Solution 2

Buy a third-party library. That's the best route because it's mature, and hopefully well supported.

Posted 19-Sep-11 2:44am

#realJSOP

rafaelpb · Answer 3 · 2011-09-19T12:39:00

It is obvious to use a 3rd party component, this would give you more security.

Too easy to hack method but works:
- encrypt with aes a string like "%^&$42vf this part is allways the same %!#74"
you can change the outher text every time you give a key

- use a aes decryptor in your program
- find the sub string: "this part is allways the same"
- if it is found then the key is valid