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Workshop on Wireless Security
- 10. CHAP Authentication © ClubHack http://clubhack.com Supplicant Authenticator username challenge response Accept/reject
- 11. How WEP works © ClubHack http://clubhack.com IV RC4 key IV encrypted packet original unencrypted packet checksum
- 24. A Comparison © ClubHack http://clubhack.com WEP WPA WPA2 Cipher RC4 RC4 AES Key Size 40 bits 128 bits 128 bits Key Life 24 bit IV 48 bit IV 48 bit IV Packet Key Concatenated Mixing Function Not Needed Data Integrity CRC - 32 Michael CCM Replay Attack None IV Sequence IV Sequence Key Management None EAP - Based EAP - Based
- 28. Locating a wireless network © ClubHack http://clubhack.com We need a special holiday to honor the countless kind souls with unsecured networks named 'linksys'. http://www.xkcd.com Strip Number: 466