Bin Zhang1, Muhammad Waqas2,3, Shanshan Tu2,*, Syed Mudassir Hussain4, Sadaqat Ur Rehman5
CMC-Computers, Materials & Continua, Vol.68, No.2, pp. 2179-2188, 2021, DOI:10.32604/cmc.2021.016553
Abstract Secret key generation (SKG) is an emerging technology to secure wireless communication from attackers. Therefore, the SKG at the physical layer is an alternate solution over traditional cryptographic methods due to wireless channels’ uncertainty. However, the physical layer secret key generation (PHY-SKG) depends on two fundamental parameters, i.e., coherence time and power allocation. The coherence time for PHY-SKG is not applicable to secure wireless channels. This is because coherence time is for a certain period of time. Thus, legitimate users generate the secret keys (SKs) with a shorter key length in size. Hence, an attacker can quickly get information about… More >
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