temporal transmitter address key (TKIP) (TTAK)
The Temporal Transmitter Address Key (TTAK) is a temporary address key used in the Temporal Key Integrity Protocol( TKIP) to generate the Per Packet Key( PPK). The TTAK key itself is generated from the Temporal Key( TK) and the Transmitter Address( TA). The Per Packet Key is calculated from the TTAK key and the Initialization Vector( IV).