Physical Layer Security

Content

In this course, we aim to show/provide a rigorous way to develop a security system on the physical layer (PhySec), by taking the physical properties of the communication environments into account. After having attained this course, the student should be able to answer questions about a system’s security with a fundamental knowledge about physical layer security.

Direct data transmission by PhySec: It covers multi-user communications with an additional secrecy constraint. For example, wiretap channels, broadcast channels with confidential messages, etc., and we will analyze the secrecy capacity/capacity region of these channels.
Key generation by PHYSEC: It covers the secret key generation with the source model and the channel model. In the former case, the legitimate users will observe a common source of randomness and try to agree on a secret key, which is unknown to a potential eavesdropper. In the latter one, one of the legitimate users transmits a random sequence through the channel to the other users and again they try to agree on a key. Practical sequential key distillation will also be covered.

Credit Points: 5

Lecturer: Dr. Pin-Hsun Lin

Lecture (ET-NT-118)
Start: 2nd April 2024
Time: Thu 09:45 - 11:15

Room: R232 B, Gebaeude Schleinitzstraße 22
Language: English
StudIP Link

Exercise (ET-NT-120)
Start: 10th April 2024
Time: Wed 09:45 - 11:15

Room: R232 B, Gebaeude Schleinitzstraße 22
Language: English
StudIP Link

Examination type: writting exam if there are more than 5 registered students or, oral exam, otherwise.
Duration: 120 min.
Date: 08.2024 (TBD)
Time: (TBD)
Location: (TBD)
Permitted auxiliary material: written documents of any kind, calculator, no communication devices.
Consultation hour: by agreement with Pin-Hsun Lin

Information about exam:

Students are requested to register by contacting Pin-Hsun Lin. The following information is necessary: name, first name, matriculation no., course of study, semester, e-mail address. Do not forget to check, wether or not you have to register at your department (faculty) as well.

All participants must have a student ID and additionally a different valid ID with a photo.

In order to cancel the registration please inform Pin-Hsun Lin. We need the same student information as for the registration. Do not forget to deregister at your department (faculty) as well.

Stefan Moser, Advanced Topics in Information Theory Lecture Notes, V. 5.5, 2022
Tyagi H, Watanabe S. Information-Theoretic Cryptography. Cambridge University Press, 2023.
Matthieu Bloch und João Barros: Physical-Layer Security - From Information Theory to Security Engineering, Cambridge University Press, 2011.
Yingbin Liang, H. Vincent Poor und Shlomo Shamai (Shitz): Information Theoretic Security, Now publishers, Foundations and Trends in Communications and Information Theory, vol. 5, no. 4-5, 2008.
T. M. Cover and J. A. Thomas: Elements of Information Theory, 2nd ed., New York: Wiley-Interscience, Juli 2006.
A. El Gamal and Y.-H. Kim: Network Information Theory, Cambridge University Press, 2011.
R. W. Yeung: Information Theory and Network Coding, Part I, Springer, 2008.
S. Moser: Information Theory, https://moser-isi.ethz.ch/scripts.html#it

Physical Layer Security

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