CDA Health Level Seven (HL7)#

CDA is an Abbreviation of HL7 Clinical Document Architecture

Combined DDA/Application Cryptogram Generation#

CDA or Combined DDA/Application Cryptogram Generation is a Offline Data Authentication technique used in Chip Card Offline Transactions that combines DDA functionality with the Application Cryptogram used by the Card Issuer to Authenticate the card.

The Application Cryptogram is used to assure that the data in the transaction maintain Integrity even after the Payment Transaction is completed.

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