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Required Fields for Authorizing a Payment Using Mastercard and the
Cybersource
 Decryption Method

The following fields are required when submitting an authorization request using the
Cybersource
 decryption method:
  • descriptor
    -set this field under the
    fluidData
     object to
    RklEPUNPTU1PTi5TQU1TVU5HLklOQVBQLlBBWU1FTlQ=
    .
  • processingInformation.commerceIndicator
    -set this field to
    spa
    .
  • paymentInformation.fluidData.value
    • Set the field to the value that was returned from Samsung Pay in the
      3ds.data
       block as follows:
      • Retrieve the payment data from Samsung Pay in JSON Web Encryption (JWE) format.
      • Encode it in Base64.
      • Add the value to the
        paymentInformation.fluidData.value
         field.
  • paymentInformation.tokenizedCard.transactionType
    -set this field to
    1
    .
  • processingInformation.paymentSolution
    -set this field to
    008
    .

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