Cryptography from Quantum mechanical viewpoint

TL;DR

This paper reviews how quantum mechanics can be utilized to develop cryptographic techniques resilient to the threats posed by quantum computing, challenging traditional mathematical complexity-based security.

Contribution

It provides an overview of quantum-based cryptography, highlighting its potential to address security issues in the era of quantum computing.

Findings

Quantum mechanics offers new cryptographic methods.

Quantum cryptography can potentially resist quantum computational attacks.

The paper discusses the radical use of quantum principles in cryptography.

Abstract

Cryptography is an art and science of secure communication. Here the sender and receiver are guaranteed the security through encryption of their data, with the help of a common key. Both the parties should agree on this key prior to communication. The cryptographic systems which perform these tasks are designed to keep the key secret while assuming that the algorithm used for encryption and decryption is public. Thus key exchange is a very sensitive issue. In modern cryptographic algorithms this security is based on the mathematical complexity of the algorithm. But quantum computation is expected to revolutionize computing paradigm in near future. This presents a challenge amongst the researchers to develop new cryptographic techniques that can survive the quantum computing era. This paper reviews the radical use of quantum mechanics for cryptography.