Table of Contents
Wireless LAN Security
Overview
Security Solutions
MAC Address Filtering
Wired Equivalent Privacy (WEP)
WEP Details
WEP Keys
Stream Cipher vs Block Cipher
RC4
RC4 Computation
WEP Authentication w/o Key
WEP Traffic Modification
WEP Problems
IEEE 802.11i Security Enhancement
802.11 Security Protocol Stack
PAP and CHAP
Extensible Authentication Protocol (EAP)
EAP Exchange
RADIUS
RADIUS Messages
802.1X
EAP over LAN (EAPOL)
802.1X Authentication
802.1X Protocol Stack
Transport Layer Security (TLS)
Kerberos
Wi-Fi Protected Access (WPA)
Temporal Key Integrity Protocol (TKIP)
RC4 Encryption Key
TKIP Message Integrity Check (MIC)
TKIP Transmission
WEP vs. WPA
WPA2 (802.11i)
AES-128 Encryption
AES-CCMP
Tunnel
GRE
L2TP
L2TP Packets
IPSec
Attack Tools
Summary
References |
Author:
Raj Jain
Home Page:
http://www.cse.wustl.edu/~jain/
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