Required Fields for Authorizing a Payment Using JCB and the `Cybersource` Decryption Method {#samsungpay-auth-cybsdecypt-jcb-mandatory}
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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=`.
* paymentInformation.fluidData.value-set this field to the Base64-encoded value obtained from the paymentData property of the PKPaymentToken object.
* processingInformation.paymentSolution-set this field to `008`.

Related Information {#samsungpay-auth-cybsdecypt-jcb-mandatory_section_abb_khn_b1c}
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[REST API Field Reference Guide](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/rest-api-fields-intro.md "")