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Side-channel attacks (SCAs) are powerful attacks based on the information obtained from the implementation of cryptographic devices. Profiling side-channel attacks have received a lot of attention in the last years because this type of attacks defines worst-case security assumptions. The SCA community realized that the same profiling approach is used in other domains in the form of supervised machine learning.
Consequently, some researchers started experimenting with different machine learning techniques and evaluating their effectiveness in the SCA context. More recently, we are witnessing the uprise of deep learning techniques in the SCA community with strong results in side-channel analyses, even in the presence of countermeasures.
In this training, we will concentrate on advanced topics in profiling SCAs where the emphasis will be on machine learning and deep learning techniques. During the training, the students will have the opportunity to learn theoretical background on several machine learning techniques but also have to implement them and use in SCAs. There, we will cover not only the attack phase but also pre- processing and feature engineering phases. Besides more "traditional" machine learning techniques, we will cover various deep learning techniques and investigate how to use them in practical SCAs. While the emphasis of the training is on side-channel analysis, we will also discuss fault injection attacks and how artificial intelligence techniques can be used there. During the training, the students will have the opportunity to develop several side-channel tools in Python and perform attacks to obtain the secret key.
Stjepan Picek is an assistant professor in the Cybersecurity group at TU Delft, The Netherlands. His research interests are security/cryptography, machine learning, and evolutionary computation. Before the assistant professor position, Stjepan was a postdoctoral researcher at ALFA group, MIT, USA. Before that, he was a postdoctoral researcher at KU Leuven, Belgium as a part of the Computer Security and Industrial Cryptography (COSIC) group. Stjepan finished his Ph.D. in 2015 with a topic on cryptology and evolutionary computation techniques. Stjepan also has several years of experience working in industry and government. Up to now, Stjepan gave more than 10 invited talks at conferences and summer schools and published more than 70 refereed papers in both evolutionary computation and cryptography journals and conferences. Stjepan is a member of the organization committee for International Summer School in Cryptography and president of the Croatian IEEE CIS Chapter. He is a general co-chair for Eurocrypt 2020, program committee member and reviewer for several conferences and journals, and a member of several professional societies.