Hi there! Getting to the point, I'm developing an OAuth-based application. The user must indicate an email and a password to log in the application and start it. What I would like to do is to give to the user the possibility to store its credentials in order to don't log in everytime the app is started. My intention is to store the credentials in the Cridentials Manager of Windows, as other applications do, in order to provide certain security level. How can I achieve this in LabVIEW? I have searched .net methods or dlls and I'm not able to find how to do it. Thank you very much for your time and help.

I've been doing some work and started of trying to do it all in a LabVIEW diagram but quickly run into trouble that were pretty hard to debug. So I then started up Visual C and did this little library that I attached. It took less time to do it this way and has more functionality than the VI only variant which did no enumeration of the available credentials. And yes it has no documentation, sorry, you'll have to read the according MSDN pages about the CredRead and CredWrite functions to get the nitty gritty details of how it works. For passwords for your own purpose you want to use the Generic type. Domain Passwords are treated speciall for the Windows Domain management. It is a VI library that contains 4 methods. - Enumerate returns a list of all currently available credentials. - Read will return the values for a particular credential entry given its Target Name and Type. - Write will add a new credential entry. You can't modify an existing entry in this way. If you want to do that you first have to delete it. - Delete will remove a specific credential entry given its Target Name and Type. The LabVIEW VIs are in version 2009 and there is a 32-bit and 64-bit version of the DLL prebuild. The C source code is in a subdirectory inside the archive.

You want to access CredWriteA() and CredReadA() in Advapi32.dll.

LabVIEW

Windows credential manager

Solved!

I'd want it as a VIP when project local packages are a robust thing...

~ Self-professed LabVIEW wizard ~
Helping pave the path to long-term living and thriving in space.

Message 11 of 12

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@IlluminatedG wrote:

I'd want it as a VIP when project local packages are a robust thing...

It would be even as normal OGP/VIP already very interesting. Haven't looked in detail at it yet so it may need a little polishing, but this looks like gold.

Rolf Kalbermatter
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