Explore hardware side channel attacks on low-cost devices in this 46-minute conference talk. Dive into the world of Side Channel Analysis, covering topics from PIN checks to power measurements and real power cuts. Learn about the Hamming weight concept, AES trace analysis, and the intricacies of oscilloscope usage. Discover design considerations, acquisition techniques, and the importance of trace alignment. Investigate fault injection methods and their implications for device security. Gain insights into practical countermeasures and conclude with engaging homework assignments and a humorous anecdote.
Overview
Syllabus
Intro
Side Channel Analysis is full of...
High-level overview
The context
PIN check
How do we measure power?
Power cut!
Real power cuts
Big picture
DEMO
Hamming weight
Super secure encryption
AES trace
The master plan
Oscilloscope?
What do we need?
More problems Design considerations
Xmega datasheet
Acquisition
Real world setup
Triggering plan
When to start measuring ...
Collect traces...
Acquiring Traces ...
Why is alignment important?
Let's get keys
Strength in numbers
Fault Injection
Powering the Nano
What can you do about it?
Conclusion
Homework
Funny story 3
Taught by
WEareTROOPERS
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