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CVV_Verify CCA Release 2.54
expiration_date
The expiration_date parameter points to a string variable containing the card
expiration date. The date is in numeric character format. The application
programmer must determine whether the CVV will be calculated as YYMM or
MMYY.
service_code
The service_code parameter points to a string variable containing the service
code in character format. The service code is the number that the track-2,
magnetic-stripe standards define.
CVV_key-A_identifier
The CVV_key-A_identifier parameter points to a string variable containing an
internal key-token or a key label of an internal key-token record in key storage.
The internal key-token contains the key-A key that encrypts information in the
CVV process.
CVV_key-B_identifier
The CVV_key-B_identifier parameter points to a string variable containing an
internal key-token or a key label of an internal key-token record in key storage.
The internal key-token contains the key-B key that decrypts information in the
CVV process.
CVV_value
The CVV_value parameter points to a string variable containing the CVV value
in character format.
Required Commands
The CVV_Verify verb requires the Verify CVV command (command offset X'00E0')
to be enabled in the hardware.
8-32 IBM 4758 CCA Basic Services, Release 2.54, February 2005