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The Journal of the Institute of Electrical Engineers of Japan

Foundation of Quantum Cryptography and Its Future

Kiyoshi Tamaki

Published Jan 1, 2016• 0 citations
Publisher

Abstract

1．量子暗号の必要性 インターネットが普及した現代の生活では，個人情報などの重要情報がインターネット上で送信される機会が多い。例えば，インターネット上で買い物をする時には，注文者の個人情報をショップへ送信することが多い。このような重要情報を送信する際，ショップ以外の第三者には情

DOI
10.1541/ieejjournal.136.163

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1．量子暗号の必要性 インターネットが普及した現代の生活では，個人情報などの重要情報がインターネット上で送信される機会が多い。例えば，インターネット上で買い物をする時には，注文者の個人情報をショップへ送信することが多い。このような重要情報を送信する際，ショップ以外の第三者には情
In the modern digital era, where cyber-attacks, data breaches, and digital spying threaten global security, conventional cryptographic systems face increasing challenges. The rapid development of quantum computing has amplified these threats by undermining the security foundations of classical encryption algorithms such as RSA (Rivest–Shamir–Adleman) and ECC (Elliptic Curve Cryptography), both of which depend on the computational hardness of factorization and discrete logarithmic problems. Quantum cryptography, rooted in the principles of quantum mechanics, introduces a transformative approach that ensures theoretically unbreakable security. This paper explores the theoretical foundations, current technological developments, challenges, and future prospects of quantum cryptography. It emphasizes the transition from mathematical security to physical security, highlighting quantum key distribution (QKD), quantum random number generation, and post-quantum cryptographic frameworks. The study concludes that quantum cryptography is not merely a futuristic ideal but a necessary evolution for safeguarding the digital future in a quantum-enabled world
方式を使い分けて送受信すると，量子的な性質が表れてき ます．とくに量子暗号では，不確定性原理という性質が本 質的になります． 2.2 光を弱める 物質を細かく測定する場合は分子レベルの精密測定をする と書きましたが，光の場合はそれが光を弱めることに相当 します．これが量子暗号ですべきことの一つ目です．具体 的にどれくらい光を弱めればいいかについても明確な基準 があって，それがエネルギー量子 (= hν ジュール．ただし
Quantum cryptography, established within the standards of quantum mechanics, is balanced to rethink the scene of cyber security. This unique gives an knowledge into the centre concepts of quantum cryptography and investigates its transformative affect on future cyber security patterns. Key ranges secured incorporate the standards of quantum key dispersion (QKD), applications of quantum cryptography in securing communication systems, budgetary exchanges, IoT gadgets, and government communications. The theoretical too highlights developing patterns such as post-quantum cryptography, the expansion of quantum-secure systems, integration of quantum advances in cyber defence, and the significance of standardization and selection. Challenges such as versatility, interoperability, and moral contemplations are moreover addressed. Embracing quantum cryptography isn't as it were basic for combating quantum dangers but moreover for forming versatile and reliable cyber security foundations for the advanced time.
The exponential increase in data transmission and the rise of quantum computing threaten classical encryption systems, necessitating a paradigm shift in secure communication. Quantum cryptography, particularly Quantum Key Distribution (QKD), exploits the principles of quantum mechanics to enable theoretically unbreakable security. This paper explores the foundational theories, key technologies, real-world implementations, current challenges, and future trajectories of quantum cryptography. Emphasis is placed on QKD protocols, entanglement-based communication, and integration with existing infrastructure. The study also evaluates potential vulnerabilities and the global movement toward quantum-resilient security systems.
在这篇论文，我们基于旋转网络建议长途的量密码学的一个新计划， qubits 在量点的电子旋转存储了。由有条件的法拉第，旋转，单个光子极化测量，和量状态转，为在二个长途的聚会之间的量密码学的最大纠缠贝尔状态被创造。同时，在任意的距离上的有效的量状态转移被联合力量的一种合适的选择在旋转链获得，用旋转记忆，技术改善了。我们也对能也在旋转网络被实现并且发现克隆的这个旋转网络与一致，最佳的忠实为基于纠纷的密码学由一个偷听者完成了的基于克隆的攻击分析计划的安全。