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Mining Your Ps and Qs: Detection of Widespread Weak Keys in Network Devices

Mining Your Ps and Qs: Detection of Widespread Weak Keys in Network Devices. Nadia Heninger  Zakir Durumeric  Eric Wustrow J.  Alex Halderman Presented by Ganbi. Outline. Problem: Bad Keys Why Should You Care? Defenses Questions. Outline. Problem: Bad Keys Why Should You Care?

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Mining Your Ps and Qs: Detection of Widespread Weak Keys in Network Devices

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  1. Mining Your Ps and Qs: Detection of Widespread Weak Keys in Network Devices Nadia HeningerZakirDurumericEric WustrowJ.AlexHalderman Presented by Ganbi

  2. Outline • Problem: Bad Keys • Why Should You Care? • Defenses • Questions

  3. Outline • Problem: Bad Keys • Why Should You Care? • Defenses • Questions

  4. Problem

  5. Problem

  6. Problem • Random number generator (hard problem) • Keys generated by openssl Linux • dev/urandom uses • time of use • keyboard • disk access timing

  7. Problem

  8. Outline • Problem: Bad Keys • Why Should You Care? • Defenses • Questions

  9. Why Should You Care

  10. Why Should You Care

  11. Why Should You Care

  12. Outline • Problem: Bad Keys • Why Should You Care? • Defenses • Questions

  13. Defense

  14. Outline • Problem: Bad Keys • Why Should You Care? • Defenses • Questions

  15. Works Cited • Heninger, Durumeric, Wustrow, and Halderman "Mining Your Ps and Qs: Detection of Widespread Weak Keys in Network Devices" (n.d.): n. pag. Print. • http://www.youtube.com/watch?v=kuaAdXVMm40

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