Quantum Steganography Based on the B92 Quantum Protocol

Alexandru-Gabriel Tudorache (), Vasile Manta and Simona Caraiman
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Alexandru-Gabriel Tudorache: Department of Computer Science and Engineering, Gh. Asachi Technical University of Iasi, D. Mangeron 27A, 700050 Iasi, Romania
Vasile Manta: Department of Computer Science and Engineering, Gh. Asachi Technical University of Iasi, D. Mangeron 27A, 700050 Iasi, Romania
Simona Caraiman: Department of Computer Science and Engineering, Gh. Asachi Technical University of Iasi, D. Mangeron 27A, 700050 Iasi, Romania

Mathematics, 2022, vol. 10, issue 16, 1-13

Abstract: This paper presents a communication algorithm in which a grayscale image, shared between two parties, can be used to transmit a secret message, by applying the idea introduced in the B92 quantum protocol. The least significant qubits of the pixels’ representation in certain regions of the image are used. With the help of a server, the algorithm generates a random message, which can further act as a secret key for cryptographic algorithms in order to secure the data that two parties might want to exchange later on. The chosen representation of the image is NEQR (novel enhanced quantum representation) and the platform used for testing the described idea is IBM Quantum Experience, along with the open-source Python framework called Qiskit. This solution allows users to design, implement quantum circuits (containing various quantum gates), and simulate them using real devices and local simulators. An implementation using this platform for a sample image and the corresponding results are also presented in this paper.

Keywords: cryptography; quantum steganography; quantum image representation; least significant bit; quantum key distribution; quantum circuit (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2022
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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