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. WIKIMERIONET
Merion Mertics , ,

CRM

4

802.11 , WI-FI, - WEP. , WEP . Wi-Fi?

TKIP, CCMP  GCMP.   Wi-Fi

TKIP

WEP , . WEP (Temporal Key Integrity Protocol (TKIP).

TKIP WEP:

  • MIC: - , .
  • Time stamp: MIC, , , .
  • MAC- : MIC MAC- .
  • TKIP: , MAC-, .
  • : 128- WEP- .
  • (IV): IV 24 48 , WEP brute-force.

2012 TKIP . , 802.11i. TKIP. TKIP, , .


CCMP

Counter/CBC-MAC (CCMP) , TKIP. CCMP :

  • AES
  • Cipher Block Chaining Message Authentication Code (CBC-MAC) (MIC)

(AES)- , (NIST) . , AES , .

CCMP, , AES CBC-MAC . CCMP , WEP TKIP. , CCMP? WPA2.


GCMP

Galois/Counter Mode Protocol (GCMP)- , , CCMP. GCMP :

  • AES
  • Galois Message Authentication Code (GMAC) (MIC)

GCMP WPA3.


WPA, WPA2 WPA3

WPA: WPA, WPA2 WPA3. .

Wi-Fi WPA ( WPA, WPA1), IEEE 802.11i . WPA 802.11i 802.1x, TKIP .

802.11i , WiFi Alliance WPA Version 2 (WPA2). WPA2 AES CCMP, TKIP WPA. , WPA2 WPA.

2018 Wi-Fi WPA3 WPA2, . WPA3 AES Galois/Counter Mode Protocol (GCMP). (PMF) 802.11 , BSS.

, WPA : (PSK) 802.1x, . , .