基于量子退相干的分布式密钥生成

Jincheng Zhang

Published Aug 31, 2026• 0 citations

Abstract

This paper presents a novel approach to secure distributed key generation (DKG) leveraging the principles of quantum decoherence. Traditional DKG protocols are vulnerable to single-point attacks. This work introduces a protocol designed to mitigate this vulnerability by incorporating quantum decoherence into the key generation process. The core of the scheme relies on the creation and distribution of entangled states followed by a controlled decoherence phase. This process ensures that any attempt to intercept or monitor the key generation process introduces detectable errors, thereby guaranteeing security. The proposed method offers a significant improvement in security compared to conventional DKG systems, particularly against attacks targeting individual nodes. We detail the protocol, outlining the necessary parameters and operations, and discuss the theoretical security analysis. The ultimate goal is to provide a robust and practical DKG solution based on fundamental quantum mechanical phenomena.

DOI: 10.5281/zenodo.22197187

Related papers

##基于量子纠缠的分布式密钥生成协议

Jincheng Zhang

This paper proposes a novel distributed key generation (DKG) protocol leveraging the principles of quantum entanglement. Traditional DKG protocols often rely on classical cryptographic techniques, introducing vulnerabilities to sophisticated attacks. Our protocol utilizes entangled photon pairs to establish a shared secret key between multiple parties without any prior secret sharing. The core mechanism involves the creation of an entangled state and subsequent measurements performed by the participants. The correlations inherent in quantum entanglement allow for the derivation of a shared key, guaranteeing security against eavesdropping attempts. We formally define the protocol, outlining the key parameters and security assumptions. The presented system offers a potentially more secure alternative to existing DKG methods, particularly against adversaries with access to classical communication channels. We explore the protocol's mathematical foundations, detailing the process of key generation and emphasizing the inherent security provided by the laws of quantum mechanics. This work provides a theoretical framework for a future, practical implementation of a quantum-secured DKG system.

Sep 2, 20260 citations

Quantum Key Distribution Protocol Based on Quantum Decoherence

Jincheng Zhang

This paper proposes a novel distributed key generation (DKG) protocol leveraging the phenomenon of quantum decoherence. The protocol aims to enhance security by eliminating the reliance on classical information exchange, thereby mitigating the risk of man-in-the-middle attacks prevalent in traditional DKG schemes. The core idea involves utilizing quantum entanglement for initial information exchange, coupled with strategically introduced random decoherence operations. These decoherence operations induce changes in the quantum states, which are then exploited during the key negotiation process. The resulting key is validated through quantum state measurements and statistical analysis. The protocol's security stems from the inherent fragility of quantum states due to decoherence, making it computationally infeasible for an attacker to compromise the key without disrupting the entire system. This work presents a fundamentally new approach to DKG, offering improved security prospects within the constraints of quantum mechanics.

Aug 29, 20260 citations

Quantum Key Distribution Based on Quantum Decoherence

Jincheng Zhang

This paper investigates a novel approach to quantum key distribution (QKD) leveraging the phenomenon of quantum decoherence. Traditional QKD protocols, while theoretically secure, are susceptible to various attacks, often relying on the assumption of perfect quantum state preservation. This research proposes a framework for distributed key generation utilizing the inherent limitations imposed by quantum decoherence. The core concept involves encoding key information within quantum states that are deliberately designed to be vulnerable to decoherence. This vulnerability, rather than being a weakness, is exploited to introduce a level of inherent security, effectively masking the key's true value from an eavesdropper attempting to intercept and measure the quantum states. We explore the mathematical formalization of this process, detailing the generation of entangled states, the measurement protocols, and the key distillation process, all incorporating the effects of decoherence. The proposed system offers a potentially more robust defense against sophisticated attacks by introducing a naturally occurring element of uncertainty. This work provides a foundational understanding of utilizing decoherence as a key component within a QKD architecture. ---

Aug 29, 20260 citations

Quantum Entanglement-Based Distributed Key Generation Protocol

Jincheng Zhang

This paper presents a novel protocol for distributed key generation (DKG) leveraging quantum entanglement. The core claim is to demonstrate the secure and efficient generation of a shared secret key among multiple parties using the unique properties of entangled quantum states. The protocol utilizes a specifically designed entangled state shared between the participating nodes. This shared state facilitates the synchronous generation of keys across the distributed network. The key innovation lies in the enhanced security provided by the fundamental laws of quantum mechanics, eliminating the vulnerabilities inherent in classical DKG protocols susceptible to eavesdropping attacks. Furthermore, the protocol aims to improve key generation efficiency by utilizing the inherent correlations present within the entangled state. We detail the mathematical formulation of the protocol, including the state preparation, entanglement distribution, and key extraction phases. The proposed approach offers a promising direction for secure communication in quantum networks.

Sep 3, 20260 citations

基于量子退相干的硬件安全密钥生成

Jincheng Zhang

This paper explores the potential of leveraging quantum decoherence for hardware-based security key generation. Traditional key generation methods are vulnerable to eavesdropping and side-channel attacks. This research proposes a novel approach utilizing quantum decoherence to obfuscate the key generation process and mitigate these threats. The core concept involves designing a key generator that exploits the inherent randomness and fragility of quantum phenomena, specifically decoherence, to create a key that is fundamentally protected against classical and quantum attacks. The generated key is inherently unpredictable to an attacker, as the generation process relies on the uncontrollable nature of quantum decoherence. This approach offers a fundamentally different security paradigm, shifting from relying on computational complexity to leveraging the laws of physics for enhanced security. The theoretical framework presented outlines the design principles and potential advantages of this hardware security key generation system. The paper concludes with a discussion of the challenges and future research directions associated with implementing this concept.

Aug 28, 20260 citations

Quantum Key Distribution Based on Quantum Depolarization

Jincheng Zhang

This paper proposes a novel distributed key distribution (DKD) scheme leveraging the principles of quantum depolarization. The core claim centers on enhancing the security of DKD protocols by exploiting the inherent properties of quantum depolarization processes. The proposed mechanism utilizes the quantum depolarization inherent in existing DKD protocols to effectively eliminate eavesdropping attempts targeting the key. This work focuses on improving the resilience of DKD systems against attacks by introducing a controlled depolarization process, thereby making key interception significantly more difficult. The scheme's effectiveness is demonstrated through a theoretical analysis, outlining the mathematical framework and security considerations. The design incorporates elements of the Bennett-Mayhew protocol, modified to incorporate a controlled depolarization step. We present a mathematical formulation detailing the key generation process and the security proof, highlighting the reduced key error rate under realistic depolarization scenarios. The proposed approach represents a significant advancement in DKD security, offering a robust defense against evolving quantum attacks.

Sep 1, 20260 citations