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Student
Title
Supervisor
Faculty
Educational Programme
Final Grade
Year of Graduation
Andrei Kardashin
Analysis of Methods of Secret Key Distribution in Quantum Cryptography
9
2018
This research is devoted to the computer modeling of the implementation of the E91 quantum secret key distribution protocol with a different degree of activity of the eavesdropper.

For this purpose, a program based on Quantum Information Software Kit is written, which later is executed both on two quantum devices of the IBM Q platform, and on the simulator of quantum computing. The results conducted on the simulator show that the E91 protocol allows the participants of the communication session to obtain fully matching keys, as well as to detect the interference of the eavesdropper. At the same time, several mismatches in the participants’ keys during the modeling of the implementation of the protocol on quantum devices are observed, which are caused by the imperfection of the equipment and the errors occurring during its work.

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