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The professors of the laboratory belong to the Cyberscience Center which carries out management and promotion of information infrastructure of Tohoku University, and the followings are related research fields.
(1) EMC (electromagnetic compatibility) and electromagnetic information security
Electromagnetic noise on transmission cable in communication system causes interference and degrades its signal integrity, and electromagnetic emanation causes information leakage. Our experimental and computational studies include electromagnetic immunity and radiation of communication systems as well as electromagnetic emanation of confidential information in a system such as a cryptographic module to interpret its mechanism and develop countermeasures.
(2) Theoretical foundations of information security
We study fundamentals of cryptography, which are increasingly important on information network systems. Specifically, we are carrying out research on constructing information-theoretically secure cryptosystems such as protocols for secure computations using a deck of cards.
(3) Fundamental technology for operation and application of information networks
A study on effective network configuration is a practical development over a wide-area high-speed network.
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