TransportPdu

data class TransportPdu(val isSegmented: Boolean, val akf: Boolean, val aid: Int, val seqZero: Int, val segO: Int, val segN: Int, val payload: ByteArray, val transportMic: ByteArray)

A Transport PDU before network-layer encryption.

Constructors

constructor(isSegmented: Boolean, akf: Boolean, aid: Int, seqZero: Int, segO: Int, segN: Int, payload: ByteArray, transportMic: ByteArray)

Application Identifier -- 6-bit value derived from AppKey (via K4).

Application Key Flag -- true if encrypted with AppKey, false for DeviceKey.

Whether this segment is the final one.

Whether this is a segmented message.

Payload (encrypted upper transport PDU or segment thereof).

Last segment number (total segments - 1).

Segment offset (which segment this is, 0-based).

Sequence number (24-bit, lower portion).

Total number of segments.

Transport MIC (32-bit for unsegmented, 64-bit for segmented).