Passing UserID between two websites

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Hi,
I have two websites one in ASP.Net and other in PHP.

I want that if a person logged in on one website then he gets a link for second website. When he/she click on that link his userID is passed to second site.

Please help...

Posted 21-Jul-10 3:05am

ranjansingh235

Updated 21-Jul-10 3:20am

Sandeep Mewara

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Goutam Patra · Accepted Answer · 2010-07-21T03:19:00

Solution 1

You may pass some QueryString (may be encrypted) to the second website

Posted 21-Jul-10 3:19am

Goutam Patra

Comments

ranjansingh235 22-Jul-10 4:38am

Thank you Gautam,
Is there is other option for doing this?

Sandeep Mewara · Accepted Answer · 2010-07-21T03:22:00

Solution 2

Well, since one is suppose to be considered as logged into other, an encrypted query string might help.

But you need to form new query string every time such that no one can crack it. Use some encryption method.

Posted 21-Jul-10 3:22am

Sandeep Mewara

Comments

ranjansingh235 22-Jul-10 4:34am

Thank you Sandeep for reply,
How can I generate new query every time?

Sandeep Mewara 22-Jul-10 4:44am

Associate some random numbers, use some algo, might be encrpt it. It's a security measure such that someone just don't use the readable querystring and login into 2nd site without logging into one.