• Set up your CyberSource account - http://www.cybersource.com/register/
• Login to 'Test Business Center' https://ebctest.cybersource.com/
• Go to Tools & Settings > Hosted Order Page > Security. Under “Generate Security Script” select PHP and click ‘“Submit”.
  
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• Save, and then open the resulting file HOP.php, and search for “function getSharedSecret()” to get the value. Copy all the letters/numbers in between the double-quotes: this is your Shared Secret Key. Make sure to keep a copy of this key in a safe place as it can not be re-generated.
  
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• The Hosted Order Page Security page will now contain a “Serial Number”, which you will use along with the shared secret to configure the plugin.
  
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• Login to your FoxyCart admin. Click the “payment” link under “STORE”. Set your payment method to Cybersource.com.
• Add your credentials and save.

• CyberSource testing documentation

• CyberSource test credit card numbers

FoxyCart Subscriptions aren't supported with Cybersource Hosted Payment Page yet.

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