Hello, 

I have a question who's answer has been bugging me for a while.  What I need
to do is write a script that detects if a browser is using 128-bit
encryption when connecting to our website.  While this is easy for most (I
have the script working for them), a real problem for me has come up with
clients that run IE on Windows 2K without 128-bit support (ie 40-bit or 56
instead).  Do any of you fine ladies and gentlemen know how to detect a
browser's cipher strength using PHP (or any other web language)?  I am
running PHP 4.3.1 on IIS 5.0 on a Windows 2000 server.  I have tried using
some server vars (namely HTTPS_KEYSIZE) but that reports incorrect data with
the win2k/IE/56-bit configuration I mentioned above.

Any help is appreciated and thanks in advance,

Ed  


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