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Mining Your Ps and Qs: Detection of Widespread Weak Keys in Network Devices Nadia Heninger  Zakir Durumeric  Eric Wustrow J.  Alex Halderman Presented.

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Presentation on theme: "Mining Your Ps and Qs: Detection of Widespread Weak Keys in Network Devices Nadia Heninger  Zakir Durumeric  Eric Wustrow J.  Alex Halderman Presented."— Presentation transcript:

1 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

2 Outline 1. Problem: Bad Keys 2. Why Should You Care? 3. Defenses 4. Questions

3 Outline 1. Problem: Bad Keys 2. Why Should You Care? 3. Defenses 4. Questions

4 Problem

5

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

7 Problem

8 Outline 1. Problem: Bad Keys 2. Why Should You Care? 3. Defenses 4. Questions

9 Why Should You Care

10

11

12 Outline 1. Problem: Bad Keys 2. Why Should You Care? 3. Defenses 4. Questions

13 Defense

14 Outline 1. Problem: Bad Keys 2. Why Should You Care? 3. Defenses 4. 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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