TOWARDS EFFICIENT QUANTUM CRYPTOGRAPHY: ENHANCING QOTP WITH ENTANGLEMENT-BASED TECHNIQUES

Quantum computing is an interdisciplinary field comprising of physics, mathematics and computer science that leverages quantum mechanics to complete complicated tasks more quickly than classical computers.It includes both the advancement of hardware research and application development.In the paper on quantum computing, quantum cryptography/Quantum Key Distribution, the revolutionary paradigm shift in computation is introduced, exploring the enigmatic world where quantum bits, or qubits, replace classical bits.Computational efficiency is increased through the manipulation of probabilities made easier by quantum interference.Furthermore, we examined the applications of quantum cryptography, which makes use of the ideas of quantum physics to guarantee secure communication.As a cornerstone, quantum key distribution appears, providing cryptographic keys encoded in quantum states with unbreakable encryption.The proposed work serves as a gateway to understand the profound implications and limitless potential of quantum computing and cryptography.The main contribution of the proposed work is to enhance the performance of the Quantum One-Time Pad (QOTP) algorithm in order to reduce the amount of classical key information needed while preserving the same level of security.The proposed approach combines entanglement with the QOTP, allowing secure communication without needing new key bits for each qubit encrypted.