Securing the inter-spacecraft links: Physical layer key generation from Doppler frequency shift

OA Topal, GK Kurt… - IEEE Journal of Radio …, 2021 - ieeexplore.ieee.org
In this work, we propose a secret key generation procedure specifically designed for the
inter-spacecraft communication links. As a novel secrecy source, the spacecrafts utilize …

Securing the inter-spacecraft links: Doppler frequency shift based physical layer key generation

OA Topal, GK Kurt… - 2020 IEEE International …, 2020 - ieeexplore.ieee.org
We propose a novel physical layer secret key generation method for the inter-spacecraft
communication links. By exploiting the Doppler frequency shifts of the reciprocal spacecraft …

Secret key generation based on aoa estimation for low snr conditions

A Badawy, T Khattab, T El-Fouly… - 2015 IEEE 81st …, 2015 - ieeexplore.ieee.org
In the context of physical layer security, a physical layer characteristic is used as a common
source of randomness to generate the secret key. Therefore an accurate estimation of this …

Secret key establishment using temporally and spatially correlated wireless channel coefficients

C Chen, MA Jensen - IEEE Transactions on Mobile Computing, 2010 - ieeexplore.ieee.org
When implementing data encryption and decryption in a symmetric cryptosystem, secure
distribution of the secret key to legitimate nodes can be a challenge. In this paper, we …

On the using of Rényi's quadratic entropy for physical layer key generation

F Zhan, Z Zhao, Y Chen, N Yao - Computer Communications, 2019 - Elsevier
As a promising way for establishing secret keys, physical layer key generation has been
broadly studied, which typically extracts secret keys with wireless channel characteristics …

The optimal preprocessing approach for secret key generation from OFDM channel measurements

G Li, A Hu, L Peng, C Sun - 2016 IEEE Globecom Workshops …, 2016 - ieeexplore.ieee.org
Physical layer secret key generation techniques have spurred much recent research
interest. In general, the secret key establishment contains four main procedures: channel …

Wireless secret key generation for distributed antenna systems: A joint space-time-frequency perspective

Z Ji, Y Zhang, Z He, PL Yeoh, B Li, H Yin… - IEEE Internet of …, 2021 - ieeexplore.ieee.org
Wireless secret key generation has emerged as a promising technique for Internet-of-Things
(IoT) systems to establish shared encryption keys between the server and legitimate mobile …

On the using of discrete wavelet transform for physical layer key generation

F Zhan, N Yao - Ad Hoc Networks, 2017 - Elsevier
For key generation between wireless transceivers, key generation leveraging channel
reciprocity is a promising alternative to public key cryptography. Several existing schemes …

New Dimensions for Physical Layer Secret Key Generation: Excursion Lengths-Based Key Generation

M Adil, HU Khan, M Arif, MS Nawaz, F Khan - IEEE Access, 2024 - ieeexplore.ieee.org
Physical Layer-based Secret Key Generation (PLSKG) between the legitimate nodes from
the reciprocal wireless channel is a vastly studied area of Physical Layer Security (PLS) …

Key error rates in physical layer key generation: Theoretical analysis and measurement-based verification

OA Topal, GK Kurt, B Özbek - IEEE Wireless Communications …, 2017 - ieeexplore.ieee.org
Channel gains are frequently used to obtain a secret key that can be used for encryption in
physical layer security systems. However, the channel gains captured by the nodes may not …