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Hardware key for application

9/28/2009 1:21 PM	Rate (0)
Mike J Platinum Member Joined: 10/9/2007 Last visit: 9/11/2025 Posts: 1282 Rating: (116)	Hi One solution would be to use ActiveX objects instead of normal WinCC objects. Check the Industrial X add-on. You make your own objects and deliver only the object to the customer, not the code. For C-Scripts you can always put a password and prevent anyone from reading it. Mike J
	Energy Automation products: Sicam, Siprotec, Digsi
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9/29/2009 12:18 PM	Rate (0)
CBo Gold Member Joined: 4/5/2006 Last visit: 7/30/2025 Posts: 917 Rating: (63)	Hi fabric , fabric ..Ok. The problem is where (or how to) implement this script, because anyone is able to open a WinCC C script.... in WinCC it possible protect scripts with password...noone can opene it without password. a lot of tread has been posted from ppl asked how to open a protected script . the answer is always same: there is NO tool to open protectected script. But nobody can sure you nobody can open it. Regards

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9/29/2009 3:34 PM	Rate (0)
Neto Experienced Member Joined: 9/27/2006 Last visit: 8/21/2025 Posts: 47 Rating: (5)	CBo ... But nobody can sure you nobody can open it. You are right... I can open it... But anyway, I have seen a project where the supplier used somescript (password protected)to compare the MAC Address of the machine and in case it was not the "original", some internal tags wouldn't be set properly and there were few places in the project that would look for this tag. So the project wouldn't work correctly. I don't think that would be a problem to an expert figure that out and clear the "protection", but it is possible to make it pretty tricky that could confuse many regular developers. In my opinion, doesn't matter how hard you will protect your project, it will always be possible to create a new blank WinCC Project and just copy the PDL files and even the FCT, PAS, etc. For a solid protection, the WinCC should have some kind of Encryption "built-in" forALL its files!

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