Research work together with @pwilliv (https://github.com/pwilliv/ImplAttacksCm).

For the CPA, the Pearson correlation coefficient is used. Hiding is used as a countermeasure. This combines shuffling and random dummy instructions in one. See the paper for more information

• ChipWhisperer side-channel toolchain (https://chipwhisperer.readthedocs.io/en/latest/index.html#install)
• ChipWhisperer Lite Board

Simply open and start the Jupyter-Notebooks in the ChipWhisperer Environment.

The source code can be found in the src folder.

• Jupyter-Notebooks for (automated) Measurement and Attack scenario.
• Source-Code of ChaCha20 in pure C99 + shuffled version (up to 0, 4, 20 additional dummy instructions)
• Example Jupyter-Notebooks (500, 15k, 50k traces)
• ChaCha20 Implementation in Python

The paper can be found in German and English in the paper folder.

Thanks to @shiffthq (https://github.com/shiffthq/chacha20) for the initial ChaCha20 C Source-Code!