Quantum Cryptography: In Security Aspects

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Author(s): S. Venkata Lakshmi (Sri Krishna College of Engineering and Technology, India), Sujatha Krishnamoorthy (Wenzhou-Kean University, China), Mudassir Khan (King Khalid University, Saudi Arabia), Neeraj Kumar (Babasaheb Bhimrao Ambedkar University, Lucknow, India)and Varsha Sahni (CT India, India)
Copyright: 2021
Pages: 15
Source title: Limitations and Future Applications of Quantum Cryptography
Source Author(s)/Editor(s): Neeraj Kumar (Babasaheb Bhimrao Ambedkar University, Lucknow, India), Alka Agrawal (Babasaheb Bhimrao Ambedkar University, Lucknow, India), Brijesh K. Chaurasia (Indian Institute of Information Technology, India)and Raees Ahmad Khan (Indian Institute of Information Technology, India)
DOI: 10.4018/978-1-7998-6677-0.ch003

Keywords: Cryptography / Cyber and Network Security / Information Science Reference / Security & Forensics

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Abstract

Cryptography is used for the secure communication in which two parties are involved. The most popular cryptographic issue is the transmission of confidential messages. The privacy is maintained using the cryptographic protocol. The security of quantum cryptography relies more on physics including quantum mechanics and statistics rather than on solving mathematical problems. A well-known application of quantum cryptography is quantum key distribution (QKD) that is used to establish communication by generating cryptographic keys. Moreover, it is based on the Heisenberg uncertainty principle that ensures the security and prevents from eavesdropping. Basically, quantum cryptography with faint laser pulses, polarization coding, phase coding, and frequency coding have been discussed.

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