Weaknesses in WPA3's Dragonfly Handshake

Weaknesses in WPA3's Dragonfly Handshake

BruCON Security Conference via YouTube Direct link

Introduction

1 of 34

1 of 34

Introduction

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Classroom Contents

Weaknesses in WPA3's Dragonfly Handshake

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  1. 1 Introduction
  2. 2 Dragonfly Handshake
  3. 3 How it works
  4. 4 What is a mod P group
  5. 5 A dictionary of passwords
  6. 6 Main takeaway message
  7. 7 Test setup
  8. 8 Eelliptic curves
  9. 9 WPA3 hashing
  10. 10 WPA3 countermeasure
  11. 11 Brainpool curves
  12. 12 If condition
  13. 13 Conclusion
  14. 14 Solution
  15. 15 Takeaway
  16. 16 Password Dictionary
  17. 17 Cost
  18. 18 Summary
  19. 19 Dragonfly implementations
  20. 20 Invalid curve attack
  21. 21 Curve check
  22. 22 Curve check as adversary
  23. 23 Guessing the key
  24. 24 EP PWD
  25. 25 Free Radius
  26. 26 Denial of Service
  27. 27 Downgrade Attacks
  28. 28 Downgrade Attack 2
  29. 29 S10 Patch
  30. 30 WiFi Standard Update
  31. 31 No More Timing Leaks
  32. 32 Possible Downgrade Attacks
  33. 33 Should You Use WPA3
  34. 34 Conclusions

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