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wlan_ccmp(4)

WLAN_CCMP(4)             BSD Kernel Interfaces Manual             WLAN_CCMP(4)

NAME
     wlan_ccmp — AES-CCMP crypto support for 802.11 devices

SYNOPSIS
     device wlan_ccmp

DESCRIPTION
     The wlan_ccmp module handles the AES-CCMP cryptographic requirements of
     the WPA and 802.11i protocols.  It does encapsulation and decapsulation
     of CCMP-encoded 802.11 frames and optionally calculates the AES-CCMP
     cipher.  The wlan_ccmp module is an 802.11 cryptographic plugin module
     for use by the wlan(4) module.  This module is automatically loaded if an
     AES-CCMP 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 AES-CCMP calcu‐
     lations in hardware, the wlan_ccmp module will do the work.

SEE ALSO
     wlan(4), wlan_tkip(4), wlan_wep(4)

STANDARDS
     More information can be found in the IEEE 802.11, WPA, and 802.11i Stan‐
     dards.

HISTORY
     The wlan_ccmp driver first appeared in FreeBSD 6.0.

BSD                            December 7, 2004                            BSD
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