@silmathoron So GTK obviously means Group Temporal Key, while KDE naturally stands for Key Data Encapsulation. The mentioned GTK KDE header is a part of EPPKE (Enhanced Privacy
Protection Key Exchange) implementation in hostapd/wpa_supplicant :)
https://git.w1.fi/cgit/hostap/commit/?h=2_12&id=ee91e2dddda10d7a205de355b2415389c448b311
@dos
Very unexpected :-)
@silmathoron