/AWS1/CL_PCD=>VERIFYMAC()

About VerifyMac

Verifies a Message Authentication Code (MAC).

You can use this operation to verify MAC for message data authentication such as . In this operation, you must use the same message data, secret encryption key and MAC algorithm that was used to generate MAC. You can use this operation to verify a DUPKT, CMAC, HMAC or EMV MAC by setting generation attributes and algorithm to the associated values.

For information about valid keys for this operation, see Understanding key attributes and Key types for specific data operations in the Amazon Web Services Payment Cryptography User Guide.

Cross-account use: This operation can't be used across different Amazon Web Services accounts.

Related operations:

• GenerateMac

Method Signature

IMPORTING

Required arguments:

IV_KEYIDENTIFIER TYPE /AWS1/PCDKEYARNORKEYALIASTYPE /AWS1/PCDKEYARNORKEYALIASTYPE

The keyARN of the encryption key that Amazon Web Services Payment Cryptography uses to verify MAC data.

IV_MESSAGEDATA TYPE /AWS1/PCDHEXEVENLENGTHBETWEE02 /AWS1/PCDHEXEVENLENGTHBETWEE02

The data on for which MAC is under verification. This value must be hexBinary.

IV_MAC TYPE /AWS1/PCDHEXEVENLENGTHBETWEE04 /AWS1/PCDHEXEVENLENGTHBETWEE04

The MAC being verified.

IO_VERIFICATIONATTRIBUTES TYPE REF TO /AWS1/CL_PCDMACATTRIBUTES /AWS1/CL_PCDMACATTRIBUTES

The attributes and data values to use for MAC verification within Amazon Web Services Payment Cryptography.

Optional arguments:

IV_MACLENGTH TYPE /AWS1/PCDINTEGERRANGEBETWEEN01 /AWS1/PCDINTEGERRANGEBETWEEN01

The length of the MAC.

RETURNING

OO_OUTPUT TYPE REF TO /AWS1/CL_PCDVERIFYMACOUTPUT /AWS1/CL_PCDVERIFYMACOUTPUT