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
1. Problem: Bad Keys
2. Why Should You Care?
3. Defenses
4. Questions
Outline
1. Problem: Bad Keys
Problem
Problem
Problem
Random number generator (hard problem)
Keys generated by openssl Linux
dev/urandom uses
time of use
keyboard
disk access timing
Problem
Outline
2. Why Should You Care?
Why Should You Care
Why Should You Care
Why Should You Care
Outline
3. Defenses
Defense
Outline
4. Questions
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