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Abstract <p>Conventional cryptographic methods are losing their long-term reliability in the face of growing information security threats ranging from increasing computational power to the emergence of quantum computers. In this regard, quantum cryptography technologies, in particular, quantum key distribution (QKD), are emerging as promising tools for ensuring physically grounded data security. This work presents a comprehensive analysis of the potential for autonomous implementation of QKD in 4G/5G mobile networks, focusing on practical deployment and possible limitations. Additionally, the integration of post-quantum cryptography and QKD is explored as a complementary approach to securing user data, along with the prospects for building a secure infrastructure based on VPN technologies and QKD systems. Special attention is given to comparison of international and domestic developments in this field and evaluation of the applicability of these technologies in existing mobile networks.</p>

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Quantum Key Distribution in Mobile Networks: Modern Approaches and Prospects

  • 期刊论文

  • 发表日期：

    2025年4月1日

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  • P. Y. Vatskov,
  • E. M. Mavrin,
  • V. G. Potapov,
  • P. V. Che

摘要

Abstract

Conventional cryptographic methods are losing their long-term reliability in the face of growing information security threats ranging from increasing computational power to the emergence of quantum computers. In this regard, quantum cryptography technologies, in particular, quantum key distribution (QKD), are emerging as promising tools for ensuring physically grounded data security. This work presents a comprehensive analysis of the potential for autonomous implementation of QKD in 4G/5G mobile networks, focusing on practical deployment and possible limitations. Additionally, the integration of post-quantum cryptography and QKD is explored as a complementary approach to securing user data, along with the prospects for building a secure infrastructure based on VPN technologies and QKD systems. Special attention is given to comparison of international and domestic developments in this field and evaluation of the applicability of these technologies in existing mobile networks.