PB173 Domain specific
development: side-channel
analysis
Seminar 12: Presentation & Grading (Last Seminar)
Łukasz Chmielewski
chmiel@fi.muni.cz, Consultation: A406 Monday 14:00-
ACOUSTIC SIDE-CHANNEL
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RSA Key Extraction via Low-Bandwidth Acoustic Cryptanalysis
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• https://www.youtube.com/watch?v=DU-HruI7Q30
• If there is time then we can watch it at the end.
ORGANIZATIONAL
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Final Division
• Group 1: Michal, Matus, Filip (?)
– Topic: Align
– GitHub repository: https://github.com/mr-akiio/trs-alignment
• Group 2: Michael T, Lubomir, Richard
– Topic: Standard Processing, Michael might touch also “Parallel
computations with acquisition”
– The group is 3 people since Vendelín left.
– GitHub repository:
https://github.com/LubJur/PB173_standard_signal_processing
• Group 3: Tomas Re, Tomas Ro, Martin
– Topic: Visualization
– GitHub repository: https://github.com/reznakt/pb173-sca-visualization
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Seminars Plan
• 7: today, no points
• 8: evaluation of first steps given last week: 3 points per
group (personalized per person based on Github activity) +
Giving new tasks
• 9: Checking Progress: helping & trying to run your tools
• 10: 3 points per group (personalized per person based on
GitHub) + a short 5-10minuts progress presentation +
demo (1 point) + Giving new tasks
• 11: Checking Progress [Online]
• 12: Final seminar: final short 5-10minuts presentation (1
point) & grading + grading (3 points for final tasks) [done
after the seminar] + 2 points for activity [comment now
publish later on].
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Reminder: Colloquium
• To get the colloquium
– You must be present at seminars (2 absences OK)
– You must be active at seminars (+2 points given by me at
the end)
– You must submit and get:
• 50%: 7 points in total
(projects + presentation + activity = 14 points)
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SUMMARY & PRESENTATION
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Group 1: Main Goals
• Main Tasks:
– Test more peak-based alignment
– Correlation-Based Alignments
– Improve Efficiency
– Two from:
• Trace alignment algorithm for suppressing the clock jitter,
see pages 45-50 of: https://ged.biu-
montpellier.fr/florabium/jsp/win_main_biu.jsp?nnt=2014MON20039
&success=%2Fjsp%2Fwin_main_biu.jsp&profile=anonymous
• Elastic alignment algorithm or
• Round Based Alignment
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Group 1: Based on the presentation
Primary:
• Peak-Based Alignment
• Correlation-based Alignment
• Investigate cross-correlations in python
• Improve Efficiency
Extra:
• Solving issues: Cross-correlation
• Secondary (first solve issues): Elastic alignment algorithm or Round
Based Alignment
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Group 1: Installation and Running
• https://github.com/mr-akiio/trs-alignment
• Installation: all good
• No individual instruction for modules
• Modules work so so
but correlation seems to
work (?):
• Well done!
• You did not touch on
efficiency (?)
• What is the status of other methods?
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Group 1: Work Division
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Group 2: Main Goals
• Main Tasks:
– Standard Deviation, Average, FFT
– Spectrogram
– Incremental Correlation:
https://eprint.iacr.org/2022/253.pdf
– Pipelining
– Signal-To-Noise Ratio and other metrics
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Group 2: based on the presentation
Primary
• Pipelining
• Average, Histogram
• Standard Deviation, Signal-to-Noise ratio
Work in progress:
• Bandpass filter: try to implement it using:
– https://scipy-cookbook.readthedocs.io/items/ButterworthBandpass.html
• Fourier transform:
– add an “x” axis with frequencies based on the provided sampling rate.
• check spectrogram
• check transposition
• Check how FFT looks on all traces
Anything more?
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Group 2: Installation and Running
• https://github.com/LubJur/PB173_standard_signal_processing
• Installation: pydantic missing, but all ok
• Overall well done!
• Multiple options failed, probably abs:
• Can you show me multi-threaded example?
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Group 2: Work Division
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Group 3: Main Goals
• Main Tasks:
– Displaying Traces
– Moving traces around?
– Selecting part of the trace to run something (any code)?
– Comparison to other libraries
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Group 3: based on the presentation
Main tasks that are done:
• No backend – the app works in the browser without any setup
• Visualizing traces, dragging them around
• Upload progress bar, Automatically deployed to GitHub Pages
Things to do:
• Working in-app parser for .trs files
• Setting for which traces to visualize
• Working Ctrl+Z for trace dragging
Secondary:
• Parse and apply more parameters from the TRS files (sample rate…)
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Group 3: Installation and Running
• Installation ok
• Running natively in a browser – works great! It seems
very smooth.
• Trs formal seems supported.
• Overall, great work!
• Can I use it in the lectures/seminars?
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Group 3: Work Division
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WRAPPING UP
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Future Work (for me)
• @ALL: Thank you for your hard work and
participation!
• I would like to use your code in the future to help in
the next year’s seminars.
– Could you make your repositories open-source?
– Would you like to put the right license?
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Still Future Reading
• For interested people
• Side-Channel Analysis – blue book:
– http://dpabook.iaik.tugraz.at/
– The books is available at the uni.
– Look online
• The Hardware Hacking Handbook:
– https://nostarch.com/hardwarehacking
– I have an epub version.
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Future Subjects
• PV080 (Information security and cryptography), PV079 (Applied
Cryptography), PA018 (Advanced Topics in Information Technology
Security)
• PV181 (Laboratory of security and applied cryptography)
• PV286/PA193 (Secure coding principles and practices)
• PV204 (Security Technologies)
• + Bachelor / Master (or even PhD) theses
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Thank you very much for attending and
for your work!!!
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| PA193 - Programming in the presence of side-channels /
faults
Questions