NAME¶
wlan_tkip —
TKIP and Michael crypto support for 802.11 devices
SYNOPSIS¶
device wlan_tkip
DESCRIPTION¶
The wlan_tkip module handles the TKIP and Michael
  cryptographic requirements of the WPA and 802.11i protocols. It does
  encapsulation and decapsulation of TKIP-encoded 802.11 frames and optionally
  calculates the TKIP cipher and Michael MIC. The
  wlan_tkip module is an 802.11 cryptographic plugin
  module for use by the wlan(4) module. This module is
  automatically loaded if a TKIP key is configured; typically by a WPA
  supplicant program such as wpa_supplicant, or a WPA authenticator program such
  as hostapd. Should the underlying network device not
  be capable of doing the TKIP and/or Michael calculations in hardware, the
  wlan_tkip module will do the work.
STANDARDS¶
More information can be found in the IEEE 802.11, WPA, and 802.11i Standards.
HISTORY¶
The wlan_tkip driver first appeared in
  FreeBSD 6.0.