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arXiv:2103.07712 · Acta Physica Polonica A

Quantum Information

Ryszard Horodecki

Published Mar 1, 2021• 28 citations
arXivHTMLPDF

Abstract

quantum information predicted by the quantum formalism, which, combined with the development of modern quantum technologies, have opened new horizons in quantum physics that can potentially affect various areas of our live, leading to new technologies such as quantum cybersecurity, quantum communication, quantum metrology, and quantum computation.

DOI
10.12693/aphyspola.139.197

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quantum information predicted by the quantum formalism, which, combined with the development of modern quantum technologies, have opened new horizons in quantum physics that can potentially affect various areas of our live, leading to new technologies such as quantum cybersecurity, quantum communication, quantum metrology, and quantum computation.
The article examines the significant transformation of the concept of information and its impact on modern security technologies. Until the middle of the 20th century, the concept of information was considered as a philosophical category related to the transfer of knowledge and meaning. With the advent of Claude Shannon's communication theory, information was reinterpreted as a measurable and transferable quantity, which opened up new horizons for the development of fields such as coding theory and cybernetics. The introduction of the bit as a unit of information measurement allowed for a more accurate analysis of data transmission processes. Landauer and Bennett's research has shown that information has a physical nature, closely related to energy and entropy. In recent decades, the concept of information has begun to play an important role in quantum theory, which has given rise to such areas as quantum information and quantum cryptography. In the face of increasing cybersecurity threats, quantum cryptography can become a reliable basis for protecting critical information systems. Existing post-quantum algorithms, although they have larger keys, can serve as a substitute for traditional security systems. The development of new standards and the transition to post-quantum security methods are becoming important steps to ensure data security in the near future. Quantum cryptography offers not only adaptation to new challenges, but also a fundamentally new level of security previously inaccessible to classical cryptographic systems, which makes it a key element for data protection in the future. Conclusion. The presented work demonstrates the evolution of the concept of information from a philosophical abstraction to a practical and measurable entity in the field of computer science, physics and cryptography. The article highlights the importance of quantum cryptography as a means of protection against future threats in the field of cybersecurity, offering both a theoretical and practical basis for protecting critical information. Taking into account the further development of quantum information science, its impact on data security and protection will have a significant impact on the formation of future cybersecurity strategies in various industries.
The article examines the significant transformation of the concept of information and its impact on modern security technologies. Until the middle of the 20th century, the concept of information was considered as a philosophical category related to the transfer of knowledge and meaning. With the advent of Claude Shannon's communication theory, information was reinterpreted as a measurable and transferable quantity, which opened up new horizons for the development of fields such as coding theory and cybernetics. The introduction of the bit as a unit of information measurement allowed for a more accurate analysis of data transmission processes. Landauer and Bennett's research has shown that information has a physical nature, closely related to energy and entropy. In recent decades, the concept of information has begun to play an important role in quantum theory, which has given rise to such areas as quantum information and quantum cryptography. In the face of increasing cybersecurity threats, quantum cryptography can become a reliable basis for protecting critical information systems. Existing post-quantum algorithms, although they have larger keys, can serve as a substitute for traditional security systems. The development of new standards and the transition to post-quantum security methods are becoming important steps to ensure data security in the near future. Quantum cryptography offers not only adaptation to new challenges, but also a fundamentally new level of security previously inaccessible to classical cryptographic systems, which makes it a key element for data protection in the future. Conclusion. The presented work demonstrates the evolution of the concept of information from a philosophical abstraction to a practical and measurable entity in the field of computer science, physics and cryptography. The article highlights the importance of quantum cryptography as a means of protection against future threats in the field of cybersecurity, offering both a theoretical and practical basis for protecting critical information. Taking into account the further development of quantum information science, its impact on data security and protection will have a significant impact on the formation of future cybersecurity strategies in various industries.
The development of quantum computers is one of the most significant technological developments of our time, opening new horizons in computing capabilities. However, it also poses serious threats to existing cryptographic algorithms, which are the basis of the security of modern information systems. The paper presents the results of research on post-quantum cryptography and its role in ensuring information security in the context of the development of quantum computers. The purpose of this paper is to compare modern post-quantum, i.e., quantum-stable cryptographic algorithms, assess their applicability for different classes of tasks, and predict the development paths of cryptographic methods for information protection. To achieve this goal, methods of comparative analysis and mathematical modeling are used, which allow for assessing the effectiveness and security of algorithms in different conditions. The study results show that post-quantum algorithms provide reliable information protection in the context of potential quantum attacks while maintaining a high-efficiency level. The conclusions emphasize the need to adapt existing cryptographic systems to new security requirements, particularly through integrating post-quantum algorithms into cloud services and blockchain technologies. The research results can be used to improve data protection mechanisms in information systems and to develop new cryptographic standards in the era of quantum computing. Therefore, plans for future research are outlined, namely: the effectiveness of implementing post-quantum algorithms in various industries, including finance, medicine, and government, will be analyzed; methods for optimizing cryptographic systems will be developed to ensure a balance between security and performance; new mathematical approaches will be studied that can be used to create quantum-resistant algorithms.