IEEE 802.11 WEP encryption (802.1x)

modulename: ieee80211_crypt_wep.ko

configname: CONFIG_IEEE80211_CRYPT_WEP

Linux Kernel Configuration
└─>Networking
└─>IEEE 802.11 WEP encryption (802.1x)
In linux kernel since version 2.6.14 (release Date: 2005-10-27)  
Include software based cipher suites in support of IEEE
802.11's WEP. This is needed for WEP as well as 802.1x.

This can be compiled as a modules and it will be called
"ieee80211_crypt_wep".

source code:
net/ieee80211/ieee80211_crypt_wep.c