, : , . (, , , , ..) .
, , . , , .
WEP
WEP (Wired Equivalent Privacy, ) RC4 (Rivests Cipher v.4, ), . , .
. , . , . , .
RC4 , . n . , n = 8, . . RC4 2n , . S-, S. 2n . i j.
IEE 802.11, WPA, WPA2 802.1x.
.
IEEE 802.11
IEEE 802.11 (Tradition Security Network,TSN) : (Open Authentication) . 802.11, (Service Set Identifier, SSID) MAC- (MAC Address Authentication).
|
|
(SSID) , . , SSID , . SSID , . , , , SSID.
WPA
2001 . 802.11 IEEE 802.11e, . 802.11i 802.11, , .
Wi-Fi- WECA (Wireless Ethernet Compatibility Alliance), Wi-Fi Alliance, IEEE 802.11i, IEEE 2002 . Wi-Fi Protected Access (WPA), .
WPA , WEP. WEP 802.11i , . IEEE (Temporal Key Integrity Protocol, TKIP).
, TKIP:
− . WEP , ;
− . ;
− .