Generating a CSR for `Cybersource` Decryption {#applepay-cfg-2a-pay-proc-cert-ebc-gen-csr}
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> IMPORTANT
> These steps apply to setting up ` Cybersource ` decryption only. If you are integrating the merchant decryption model of Apple Pay into your system, follow the steps in [Generating a CSR for Merchant Decryption](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/apple-pay/developer/all/rest/applepay/applepay-cfg/applepay-cfg-2-pay-proc-cert/applepay-cfg-2b-pay-proc-cert-own-gen-csr.md "") instead.  
> For `Cybersource` decryption, you will use your `Cybersource` account in the `Business Center` to generate a certificate signing request (CSR). You will use the Apple Pay Registration page within the `Business Center`.  
> If you do not have an Admin account or an account with write access, contact your Account Admin, `Cybersource` sales engineer, alliance partner, or technical account manager.

1. Follow these steps at the `Cybersource` `Business Center` to generate a CSR:

2. Log in to your `Cybersource` merchant account in the `Business Center`.

   #### ADDITIONAL INFORMATION

   Production: ` `<https://businesscenter.cybersource.com>` `

   #### ADDITIONAL INFORMATION

   Production in India: [https://businesscenter.in.cybersource.in.com](https://businesscenter.in.cybersource.com "")

   #### ADDITIONAL INFORMATION

   Test: ` `<https://businesscentertest.cybersource.com/ebc2>` `

3. In the left navigation panel, select Payment Configuration.

4. Choose Digital Payment Solutions.

   #### ADDITIONAL INFORMATION

   The Digital Payment Solutions page appears.

5. Click Configure for Apple Pay.

   #### ADDITIONAL INFORMATION

   The Apple Pay Registration page appears.

   #### ADDITIONAL INFORMATION

   This image shows the Apple Pay Registration page in the `Cybersource` `Business Center`.

   #### Figure:

   Apple Pay Registration Page in the `Cybersource` `Business Center` Interface ![Business Center UI : Payment Configuration : Digital Payment Solutions : Apple Pay Registration (aem pdf)](/content/dam/documentation/cybs/en-us/topics/payments-processing/card-processing/applepay-dev/images/ebc-generate-new-csr.png/jcr:content/renditions/original)

6. Enter the Apple merchant ID that you created and registered in your Apple Developer account.

   #### ADDITIONAL INFORMATION

   These steps are described in [Registering a New Merchant ID in Your Apple Developer Account](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/apple-pay/developer/all/rest/applepay/applepay-cfg/applepay-cfg-1-dev-pgm/applepay-cfg-1c-dev-pgm-merch-id-create.md ""). This value should match the id you set up with Apple including the "merchant" prefix.

7. Click Generate new certificate signing request.

8. Click the download icon next to the key.

9. Download the certificate request file (a file with a *.certSigningRequest* file extension) to your local machine.

10. Use your browser controls to save the file to your local machine.

    #### ADDITIONAL INFORMATION

    In the next task, you will upload the CSR file to your Apple Developer account.

11. Proceed to [Creating a Payment Processing Certificate for Your Merchant ID](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/apple-pay/developer/all/rest/applepay/applepay-cfg/applepay-cfg-2-pay-proc-cert/applepay-cfg-2c-pay-proc-cert-apple-cre-cert.md "").