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Enhanced quantum private comparison
Quantum private comparison (QPC) is judging whether two secrets are equal or not without any information leakage. This paper suggests that the...
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Multiparty quantum private comparison based on quantum walks
Initially, we address two issues that exist in multiparty quantum private comparison protocols. One among those arises when XOR operation is used in...
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Quantum private comparison protocol via 4D layered states and DQC model
Based on the four-dimensional layered quantum states and the delegating quantum computation (DQC) model, a new quantum private comparison (QPC)...
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Quantum Private Comparison Protocol Based on Continuous Variables
A new quantum private comparison protocol based on continuous-variable EPR entangled state and entanglement swap** technique is proposed. This...
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Quantum Private Comparison Protocol Based on Multiple GHZ States in Cross-domain Environment
The limitation of traditional comparison protocols lies in the plaintext transmission of data or the sharing of encryption keys, which may lead to...
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Quantum Private Magnitude Comparison Based on Maximum Operation
Many existed quantum private comparison (QPC) protocols can determine whether two secrets are equal or not, while the quantum private magnitude...
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Efficient multiparty quantum private comparison protocol based on single photons and rotation encryption
Multiparty quantum private comparison (MQPC) protocol enables the comparison of the private information of n parties through the combination of...
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Quantum Private Magnitude Comparison
As we all know, the comparison of two numbers will bring about one of the three results: greater than, equal and less than. Quantum private...
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Quantum private comparison protocol based on 4D GHZ-like states
This paper proposes a new private comparison protocol based on four-dimensional three-particle GHZ-like states. The QPC protocol allows two...
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Multi-party quantum private information comparison based on nonlocal orthogonal product states
In this work, the nonlocal quantum orthogonal product state (OPB) is first used to design a multi-party private comparison protocol, where multiple...
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A Semi-Quantum Private Comparison with High-Level Security Third Party
Based on three-particle pure states, a new anonymous semi-quantum privacy comparison is proposed to deal with the threat of quantum computing power...
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Fault-tolerant Quantum Private Comparison Protocol
A quantum private comparison(QPC) protocol is proposed, in which the single photons are uesed as quantum resources and the private information of...
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W-state-based Semi-quantum Private Comparison
Semi-quantum private comparison, which authorizes two classical participants to compare the equality of their private information with the...
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Security analysis and improvement in a semi-quantum private comparison without pre-shared key
Lately, Tian et al. proposed a novel semi-quantum private comparison (SQPC) protocol without pre-shared key, which reduces the complexity and cost of...
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Private Comparison Protocol for Multiple Semi-Quantum Users Based on Bell States
Quantum private comparison has attracted the attention of many researchers in recent years, and it extends to two branches: semi-quantum private...
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Semiquantum private comparison via cavity QED
In this paper, we design the first semiquantum private comparison (SQPC) protocol which is realized via cavity quantum electrodynamics (QED) by...
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Two Semi-Quantum Private Comparison Protocols of Size Relation Based on Single Particles
With d -dimensional single photons, two semi-quantum private comparison protocols are presented to compare the size relation between two classical...
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Fast Quantum Private Comparison Without Keys and Entanglement
Nowadays, there are a lot of quantum private comparison (QPC) protocols put forward with various quantum technologies. These protocols are found to...
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Quantum Private Comparison Using Single Bell State
Quantum private comparison (QPC) can tell us whether two users’ private data are equal or not by quantum technology without disclosing privacy to...
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Improvement of Measure-Resend Semi-Quantum Private Comparison Scheme Using GHZ States
Recently, Yan et al. propose a measure-resend semi-quantum private comparison (SQPC) scheme based on eight kinds of initial GHZ states (Comput Mater...