This is an example from the Robotduck shockwave (dcr) protection tutorial
Read about protecting shockwave movies



Download DIR Source: dcrProtection.dir
Download security php file source rdSecurity.php (as txt)
Download this php file source example.php (as txt)

These files are free to download and use for any purpose, however:

1) Make SURE you change the $securityKeyword and $encryptionKey variables
in "rdSecurity.php" to new secret values of your own.

2) It would be nice to hear a shout out from anyone who finds this useful!

3) If you notice this technique being cracked - that is, if you use these scripts
and your game still winds up on someone elses site, please let me know!