Cryptosystem Components and Anticipation on Quantum Challenges in Modern Cryptographic Systems

Kaiyuan Xiao

doi:10.54097/e1v3sz98

Authors

Kaiyuan Xiao

DOI:

https://doi.org/10.54097/e1v3sz98

Keywords:

Cryptography, Cryptosystem, Rivest-Shamir-Adleman, Quantum threats, Data security.

Abstract

Cybersecurity threats are considered one of the major dangers in internet, which are the major threats of modern communication systems. Data breaches and cyber threats endanger information in digital networks. Cryptography could ensure data protection during the transitions between parties by transforming readable text into protected forms. This paper analyzes and reviews symmetric and asymmetric cryptosystems, their components, the number theory behind cryptography, their representative applications, and emerging trends through literature analysis. Symmetric cryptosystems have the advantage of encryption’s speed, while asymmetric cryptosystems such as RSA and ElGamal cryptosystem provide secure and stable key exchange. Applications extend to cloud computing and Internet of Things devices. Furthermore, this paper covers blockchain and machine learning privacy use tools like homomorphic encryption and Secure Multi-Party Computing. Emerging trends address quantum computing risks and privacy in blockchain and machine learning, jeopardize traditional cryptosystems, whereas scientists are conducting numerical research to explore new solutions through the post-quantum methods and AI integrations. Future developments should focus on efficiency enhancements for robust security of cryptography.

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