Quantum Computing Threats to Traditional Encryption Algorithms

Sai Kalyani Rachapalli

doi:10.36948/ijfmr.2021.v03i02.43943

Quantum Computing Threats to Traditional Encryption Algorithms

Author(s)	Sai Kalyani Rachapalli
Country	United States
Abstract	Quantum computing is poised to revolutionize numerous fields, including cryptography. Traditional encryption algorithms that form the backbone of modern digital security, such as RSA and Elliptic Curve Cryptography (ECC), rely on computationally difficult problems—specifically, the factorization of large integers and the solving of discrete logarithms. However, quantum computers, leveraging the principles of quantum mechanics, present the potential to solve these problems in polynomial time through algorithms like Shor’s Algorithm, rendering these encryption methods insecure. The development of sufficiently powerful quantum computers could therefore undermine the confidentiality and integrity of sensitive digital information across the internet. This paper explores the threats posed by quantum computing to traditional cryptographic systems, with a focus on the impact of Shor’s Algorithm and Grover’s Algorithm. In addition, the paper reviews ongoing efforts to develop quantum-resistant cryptographic techniques, particularly in the area of post-quantum cryptography (PQC). It discusses the NIST Post-Quantum Cryptography Standardization project, the promising alternatives to current encryption schemes, and the potential for quantum key distribution (QKD) as a solution. The paper concludes with a reflection on the urgent need to prepare for quantum computing's eventual impact on digital security and the steps that can be taken to mitigate these risks in the transition to quantum-safe cryptography.
Field	Engineering
Published In	Volume 3, Issue 2, March-April 2021
Published On	2021-03-06
DOI	https://doi.org/10.36948/ijfmr.2021.v03i02.43943

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Quantum Computing Threats to Traditional Encryption Algorithms

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