ATMKeyDwnldRspn
                Mandatory
                Hdr
                Mandatory
                PrtctdATMKeyDwnldRspn
                Optional
                ATMKeyDwnldRspn
                Optional
                SctyTrlr
                Optional
                CnttTp
                Mandatory
                AuthntcdData
                Optional
                Vrsn
                Optional
                Rcpt
                Repetition (1..n)
                KeyTrnsprt
                Choice
                Vrsn
                Optional
                RcptId
                Mandatory
                KeyNcrptnAlgo
                Mandatory
                Algo
                Mandatory
                Param
                Optional
                NcrptnFrmt
                Optional
                DgstAlgo
                Optional
                MskGnrtrAlgo
                Optional
                Algorithm
Algo
                Mandatory
                Definition: Mask generator function cryptographic algorithm.
Type: Algorithm8Code (String)
Allowed Values:
- MGF1
Param
                Optional
                NcrptdKey
                Mandatory
                KEK
                Choice
                KeyIdr
                Choice
                MACAlgo
                Mandatory
                NcpsltdCntt
                Mandatory
                MAC
                Mandatory
                SgndData
                Optional