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Encrypt RDP password using CryptProtectData in C#

Posted on 2011-09-20
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1,270 Views
Last Modified: 2012-12-23
Hiya,

First off let me say I have looked at a few solutions for this online and none of them work with the latest release of the RDP client, 6.1.7601

Now, I own a VPS company and I routinely have to log in via RDP to my clients servers, which means typing the username and password over and over, so I have started creating RDP files  with the remote desktop client instead. Inside these files (text files with a .rdp extension) there are 2 lines that set the authentication info, like this:


username:s:Administrator
password 51:b:AQAAANCMnd8BFdERjHoAwE/Cl+sBAAAAsgA4Zq9Ml062ejDZ3v2V/wAAAAAQAAAATQB5ACAARABhAHQAYQAAABBmAABAAQAAIAAAAM57rLzz5ZBdY8P8T/aT78cUpP+O93qSjMgUNsHJlyaPAAAAAA6AAAAAAgAAIAAAAPTq6R6HlzhFEmax2ibY/4FrkHQSv0XzDh70KIfcwCptEAAAAHVnnilRDPkwp4JlZ3hQ7/FAAAAA25GnEDwK9Q827n4Be7lZiQNTGNEyBKOdFaU9Z0kY8lSWcH/SUiEbn1lB+IO0cgZkJitCgFOQuGbmKY34lOAjTg==

The password is, so I understand, encrypted with CryptProtectData, but I cannot get it to work. The encrypted strings I come up with do not match up at all - like they are a different algorithm. That said, the examples I have used to base my code off are very old - it may be that version 6 no longer uses CryptProtectData or that some other variable has changed.

I do NOT need to decrypt... only encrypt. I would like to generate an application that will create a DRP connection for me on the fly from my database, so if the user changes his/her password, I can click a button to create a new RDP file that I can use to connect without typing user/pass.

Hope that makes sense... its been a very long day and am dead tired. If anyone knows how to do this for RDP 6+, please let me know.

Thanks much,

Dave
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Expert Comment

by:jonnidip
ID: 36590119
You may find this project useful for your needs: terminals (you can get the source too).
There is a commercial product I use at work: RoyalTS.

Regards.
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Author Comment

by:SimplePaymentSolutions
ID: 36591336
Thanks for the look, but neither of those have anything to do with encrypting the RDP password. If either would do that, then either would work... but I need either the solution for the problem explained above, or a client like the ones you linked that will allow a database feed that contains the user/pass to use for the connections. that said, I may take a  look at RoyalTS just to make things simpler for me, but I will still need the solution to this problem as well.
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Accepted Solution

by:
SimplePaymentSolutions earned 0 total points
ID: 38704570
I ended up going with Remote Desktop Manager, Enterprise version for this. The owner/dev of that software added a special feature for me to import from excel file (which I automated the creation of out of our database.)
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Author Closing Comment

by:SimplePaymentSolutions
ID: 38716815
There were no other answers, and I need to close the question in order to post another.
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