Abstract: Quantum computing is new advancement of computer technology. Now with quantum computing we will achieve great computational capabilities which can handle very complex tasks easily which are very difficult for regular computers. Quantum computing is transforming today’s technology by offering massive computational capabilities that can handle problems which are very difficult for regular computers. In this paper we will explain the influence of quantum computing on existing cryptography. Also, we will focus on both the obstacles and the positive prospects of quantum computing. We will cover many challenges of quantum computing like the need for effective error correction techniques, scaling the technology, preparing required hardware, and constructing innovative quantum algorithms. On the brighter side, quantum computing holds the great potential to improve cryptographic security through the formation of quantum-resistant algorithms, quantum key distribution, and enhanced problem-solving abilities. Furthermore, this paper addresses the ethical issues and security risks linked to quantum computing. It also uncovers insights into the future of quantum computing and its capacity to transform cryptography, and the pressing necessity to apply post-quantum cryptographic standards. We will talk about real world issues and what other sections of world are doing to defend against security risks due to quantum computing. This paper also details what kinds of research leading organizations are doing to take advantage of quantum computing. In addition to investigations aimed at enhancing cryptographic algorithms, efforts are being made to address concerns regarding the potential vulnerabilities of established cryptographic systems such as RSA, AES, and ECC.
Keywords: Quantum computing, Cryptography, Quantum Algorithms, Quantum Error Correction, Quantum Supremacy.
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DOI:
10.17148/IJARCCE.2024.13837
