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Advanced Side-Channel analysis on RSA
In this module, you will learn about the state-of-the-art and advanced attacks on RSA. The training covers differential attacks on the modular exponentiation, horizontal analysis techniques, cross-correlation attacks and attacks on the CRT-RSA recombination.
Covered Topics
- Understand the cross-correlation analysis principles
- Learn the cross-correlation side-channel attack targeting the double and add always scalar multiplication
- Understanding the horizontal analysis principles
- Learning the horizontal side-channel attack targeting the scalar multiplication
- Understand the CRT-RSA operations in the CRT recombination
- Learn the side-channel attack targeting the multiplication by the secret prime value in the recombination
Exercises
- Perform horizontal analysis on given traces and recover the secret exponent
- Perform the cross-correlation analysis on given traces and recover the secret exponent
- Use cluster analysis to improve the cross-correlation attack
- Implement the CRT recombination selection function
- Perform the correlation analysis on given traces and recover the secret prime first bytes
- Improve the attack techniques to recover efficiently all secret bytes of the secret prime for modern multipliers architectures
Requirements
- Familiar with CRT RSA
- Basic knowledge in coding (Python)
- Familiar with side-channel concepts (module SCAE.1)
Practical information
Overall duration: 1-day if in-person / flexible duration if online.
Schedule: 9am-1pm - 2pm-6 pm CET (in-person)
Number of trainees: 1 max.
