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The intercept/resend attack and the delayed measurement attack on the quantum key distribution protocol based on the pre- and post-selection effect

Hiroo Azuma, Masashi Ban

Published Nov 18, 2018• 2 citations
OpenAlex

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We investigate the security against the intercept/resend and translucent attacks on the quantum key distribution protocol based on the pre- and post-selection effect. In 2001, Bub proposed the quantum cryptography scheme, which was an application of the so-called mean king’s problem. We evaluate a probability that legitimate users cannot detect eavesdropper’s malicious acts for Bub’s protocol. We also estimate a probability that the eavesdropper guesses right at the random secret key one of the legitimate users tries to share with the other one. From rigorous mathematical and numerical analyses, we conclude that Bub’s protocol is weaker than the Bennett–Brassard protocol of 1984 (BB84) against both the intercept/resend and translucent attacks. Because Bub’s protocol uses a two-way quantum channel, the analyses of its security are tough to accomplish. We refer to their technical points accurately in the current paper. For example, we impose some constraints upon the eavesdropper’s strategies in order to let their degrees of freedom be small.

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In the contemporary quantum world, all the things depend on upcoming quantum technology because of its effectiveness and robustness on deploying it in certain devices. An important use of quantum cryptography is quantum key distribution (QKD), which promises strong security by utilising quantum mechanical properties. However, real-world attack strategies have created practical vulnerabilities. The practical security analysis of intercept-and-resend attacks over continuous variable quantum key distribution (CV-QKD) and discrete variable quantum key distribution (DV-QKD) protocols is investigated in this work. The simulation models can be developed using custom NumPy and QuTip, we systematically analyze the protocols performance under changing channel losses and attack probabilities for the successful emulation of quantum communication processes. In order to evaluate protocol robustness, our study assesses key security measures such as Key generation rate and channel loss exemplified by simulation over QKD protocols. Our simulation testbed shows the sensitivity of the protocols to Intercept-and-Resend (IR) attacks and recognize under various environments where the security premises breakdown. The main objective of this work is to bridge the research gap between quantum theoretic security and its deployment in real-world communication networks, provides a clear insight into the design and development of more sophisticated quantum secure framework.

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One Step Quantum Key Distribution Protocol Based on the Hyperentangled Bell State

Yanyan Hou, Jian Li, Hengji Li +4 more

Considering the security and efficiency of quantum communication system, one step quantum key distribution protocol based on hyperentangled Bell state is proposed. Every 6 classical bits are divided into a group, which are encoded by single particle and hyperentangled Bell state, the sender Alice sends them to receiver Bob, Bob randomly selects the position of hyperentangled Bell state to measure and detects the existence of eavesdropper Eve by comparing measurement results in his hand and transmitted by Alice. Quantum key distribution protocol based on grouping is proposed to solve the storage problem of quantum information and improve the maneuverability, a security analysis is calculated under the intercept-measure-resend attack which introduce at least an error rate of 46.875%, if Eve wants to get all the information, the probability of detection eavesdropping under the entanglement-measure attack is 93.75%, so it proves that proposed protocol does not need to store the quantum state and asymptotically secure under intercept-measure-resend attack and entanglement-measure attack.

IEEE Access•Jan 1, 2019•3 citations
We investigate the security against the intercept/resend and translucent attacks on the quantum key distribution protocol based on the pre- and post-selection effect. In 2001, Bub proposed the quantum cryptography scheme, which was an application of the so-called mean king’s problem. We evaluate a probability that legitimate users cannot detect eavesdropper’s malicious acts for Bub’s protocol. We also estimate a probability that the eavesdropper guesses right at the random secret key one of the legitimate users tries to share with the other one. From rigorous mathematical and numerical analyses, we conclude that Bub’s protocol is weaker than the Bennett–Brassard protocol of 1984 (BB84) against both the intercept/resend and translucent attacks. Because Bub’s protocol uses a two-way quantum channel, the analyses of its security are tough to accomplish. We refer to their technical points accurately in the current paper. For example, we impose some constraints upon the eavesdropper’s strategies in order to let their degrees of freedom be small.
In the contemporary quantum world, all the things depend on upcoming quantum technology because of its effectiveness and robustness on deploying it in certain devices. An important use of quantum cryptography is quantum key distribution (QKD), which promises strong security by utilising quantum mechanical properties. However, real-world attack strategies have created practical vulnerabilities. The practical security analysis of intercept-and-resend attacks over continuous variable quantum key distribution (CV-QKD) and discrete variable quantum key distribution (DV-QKD) protocols is investigated in this work. The simulation models can be developed using custom NumPy and QuTip, we systematically analyze the protocols performance under changing channel losses and attack probabilities for the successful emulation of quantum communication processes. In order to evaluate protocol robustness, our study assesses key security measures such as Key generation rate and channel loss exemplified by simulation over QKD protocols. Our simulation testbed shows the sensitivity of the protocols to Intercept-and-Resend (IR) attacks and recognize under various environments where the security premises breakdown. The main objective of this work is to bridge the research gap between quantum theoretic security and its deployment in real-world communication networks, provides a clear insight into the design and development of more sophisticated quantum secure framework.
Considering the security and efficiency of quantum communication system, one step quantum key distribution protocol based on hyperentangled Bell state is proposed. Every 6 classical bits are divided into a group, which are encoded by single particle and hyperentangled Bell state, the sender Alice sends them to receiver Bob, Bob randomly selects the position of hyperentangled Bell state to measure and detects the existence of eavesdropper Eve by comparing measurement results in his hand and transmitted by Alice. Quantum key distribution protocol based on grouping is proposed to solve the storage problem of quantum information and improve the maneuverability, a security analysis is calculated under the intercept-measure-resend attack which introduce at least an error rate of 46.875%, if Eve wants to get all the information, the probability of detection eavesdropping under the entanglement-measure attack is 93.75%, so it proves that proposed protocol does not need to store the quantum state and asymptotically secure under intercept-measure-resend attack and entanglement-measure attack.