AuthstnRspn
                Mandatory
                Hdr
                Mandatory
                Body
                Mandatory
                Envt
                Mandatory
                Cntxt
                Optional
                Tx
                Mandatory
                AdddmData
                Optional
                PrcgRslt
                Mandatory
                ICCRltdData
                Optional
                PrtctdData
                Repetition (0..n)
                CnttTp
                Mandatory
                EnvlpdData
                Optional
                Vrsn
                Optional
                Rcpt
                Repetition (1..n)
                KeyTrnsprt
                Choice
                KEK
                Choice
                Key Identifier
KeyIdr
                Choice
                Definition: Identification of a protection key without a session key, shared and previously exchanged between the initiator and the recipient.
Type: KEKIdentifier6
KeyId
                Mandatory
                KeyVrsn
                Optional
                SeqNb
                Optional
                DerivtnId
                Optional
                NcrptdCntt
                Optional
                NcrptdData
                Optional
                SplmtryData
                Repetition (0..n)
                SctyTrlr
                Optional