AuthstnRspn
                Mandatory
                Hdr
                Mandatory
                Body
                Mandatory
                SctyTrlr
                Optional
                MAC Data
MACData
                Mandatory
                Definition: Type of data protection. ISO 8583:87 bit 53 or 110 ISO 8583:93 bit 53 or 111 ISO 8583:2003 bit 53 or 50
Type: MACData1
Ctrl
                Mandatory
                KeySetIdr
                Mandatory
                DrvdInf
                Optional
                Algo
                Mandatory
                KeyLngth
                Optional
                KeyPrtcn
                Optional
                KeyIndx
                Optional
                PddgMtd
                Optional
                InitlstnVctr
                Optional
                MAC
                Mandatory