Authorizing a Payment with Mastercard Using `Cybersource` Decryption Method {#samsungpay-auth-cybs-mc-intro}
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This section provides the following information:

* [Required Fields for Authorizing a Payment Using Mastercard and the Cybersource Decryption Method](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/samsung-pay/developer/ctv/rest/samsungpay/samsungpay-services/samsungpay-auth-intro/samsungpay-auth-cybs-mc-intro/samsungpay-auth-cybsdecypt-mc-mandatory.md "")
* [Authorizing a Payment](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/samsung-pay/developer/ctv/rest/samsungpay/samsungpay-services/samsungpay-auth-intro/samsungpay-auth-cybs-jcb-intro/samsungpay-auth-procedure.md "")
* [Example: Cybersource Decryption with Mastercard Using the REST API](/content/cybsdeveloper2021/amer/en/docs/cybs/en-us/samsung-pay/developer/ctv/rest/samsungpay/samsungpay-services/samsungpay-auth-intro/samsungpay-auth-cybs-mc-intro/samsungpay-auth-cybsdecrypt-ex-mc-rest.md "")
  {#samsungpay-auth-cybs-mc-intro_ul_oj3_jtp_npb}