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Cracking WPA/WPA2

Cracking WPA/WPA2. Group 23 Anders Davoust Nils Kjellin. Overview. Background Theory Setup Methods Improvements. Background. As shown in previous labs WEP was easy to crack Could WPA/WPA2 be cracked too?. How does WPA work?. Calculation. Setup. Methods. Preparing (Kismet)

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Cracking WPA/WPA2

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  1. Cracking WPA/WPA2 Group 23 Anders Davoust Nils Kjellin

  2. Overview • Background • Theory • Setup • Methods • Improvements

  3. Background • As shown in previous labs WEP was easy to crack • Could WPA/WPA2 be cracked too?

  4. How does WPA work?

  5. Calculation

  6. Setup

  7. Methods • Preparing (Kismet) • Sniffing (airodump) • Deauthenticating (aireplay) • Cracking (aircrack)

  8. Time issues • <300 passwords/sec • Look-up tables, >18000 passwords/sec

  9. Improvements

  10. Improvements • EAP – Extensible Authentication Protocol • EAP-TLS • PEAP • tinyPEAP • WRT45GL – not supported • WRT45G/WRT45GS • Windows binary

  11. Questions, comments?

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