Configuring Apple Pay Processing {#applepay-configuring-intro}
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A successful Apple Pay response to a payment request returns an encrypted payload that contains sensitive payment information. The payment information is extracted and decrypted using `Cybersource` decryption or merchant decryption.  
Before you can process Apple Pay transactions, you must complete these configuration tasks:

Generating and Loading a New Certificate Signing Request
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For processing Apple Pay transactions using `Cybersource` decryption, you must first generate an Apple Pay encryption key on the business portal and load it into the Apple development portal.
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For merchant decryption, this configuration task is not needed.

Configuring Apple Pay Response Handling
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After the payment token is received, the transaction is finalized when you extract and decrypt the payment data. `Cybersource` decryption and merchant decryption methods consist of different configuration steps.