Device-Independent Quantum Secure Direct Communication with User Authentication

• URL: http://arxiv.org/abs/2304.03201v2
• Date: Wed, 14 Aug 2024 12:16:54 GMT
• Title: Device-Independent Quantum Secure Direct Communication with User Authentication
• Authors: Nayana Das, Goutam Paul,
• Abstract summary: Device-independent (DI) quantum protocols aim to secure quantum communication independent of the devices used. We introduce the first DI-QSDC protocol that includes user identity authentication to establish the authenticity of both sender and receiver. We extend this approach to a DI Quantum Dialogue (QD) protocol where both parties can send secret messages upon mutual authentication.
• Score: 4.757470449749876
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Quantum Secure Direct Communication (QSDC) is an important branch of quantum cryptography, which enables the secure transmission of messages without prior key encryption. However, traditional quantum communication protocols rely on the security and trustworthiness of the devices employed to implement the protocols, which can be susceptible to attacks. Device-independent (DI) quantum protocols, on the other hand, aim to secure quantum communication independent of the devices used by leveraging fundamental principles of quantum mechanics. In this research paper, we introduce the first DI-QSDC protocol that includes user identity authentication to establish the authenticity of both sender and receiver before message exchange. We also extend this approach to a DI Quantum Dialogue (QD) protocol where both parties can send secret messages upon mutual authentication.

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