Practical Side-Channel Attacks Against WPA-TKIP

Practical Side-Channel Attacks Against WPA-TKIP

Black Hat via YouTube Direct link

The ChopChop Attack

7 of 19

7 of 19

The ChopChop Attack

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Practical Side-Channel Attacks Against WPA-TKIP

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  1. 1 Intro
  2. 2 Brief Wi-Fi History
  3. 3 Wi-Fi Survey
  4. 4 Outline
  5. 5 TKIP Countermeasures
  6. 6 Quality of Service
  7. 7 The ChopChop Attack
  8. 8 Side-Channels
  9. 9 Methodology
  10. 10 Fragment 1/2
  11. 11 Return of Power Management
  12. 12 Hardware Decryption
  13. 13 Recall TKIP Header
  14. 14 Impact
  15. 15 Improvements
  16. 16 Countermeasures to our Attacks
  17. 17 CTR mode with CBC-MAC Protocol
  18. 18 Demonstration.
  19. 19 Conclusion

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