What question did this study set out to answer?

To examine the security threats quantum computing poses to standard public-key cryptography and evaluate mathematical frameworks for quantum-resistant algorithms.

August 14, 2026Open Access

Post-Quantum Cryptography: Preparing for the Quantum Computing Era

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DGDr. Raj Kumar GargInternational Management Institute

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Implication

Comprehensive review analyzes quantum threats to public-key cryptography across digital infrastructures, highlighting post-quantum cryptographic standards to ensure future cybersecurity.

Key Points

To examine the security threats quantum computing poses to standard public-key cryptography and evaluate mathematical frameworks for quantum-resistant algorithms.
Assessed theoretical vulnerabilities of RSA, Diffie-Hellman, and elliptic-curve cryptography against Shor's and Grover's quantum algorithms.
Categorized and analyzed five primary post-quantum cryptographic families: lattice-based, code-based, hash-based, multivariate, and isogeny-based systems.
Reviewed the NIST Post-Quantum Cryptography Standardization Project, including specific standards such as ML-KEM and ML-DSA.
Demonstrated that Shor's algorithm poses an existential vulnerability to traditional public-key schemes by solving integer factorization and discrete logarithms in polynomial time.
Identified post-quantum cryptographic families that operate efficiently on conventional hardware while resisting both classical and quantum attacks.
Highlighted NIST standardized quantum-resistant algorithms ready for integration into cloud computing, banking, medical systems, and Internet of Things environments.

Cite This Study

Dr. Raj Kumar Garg (2026) studied this question.

synapsesocial.com/papers/6a7ec7bab70b84ec8b914577 https://doi.org/10.5281/zenodo.21904443

View Full Paper

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Implication

Comprehensive review analyzes quantum threats to public-key cryptography across digital infrastructures, highlighting post-quantum cryptographic standards to ensure future cybersecurity.

Post-Quantum Cryptography: Preparing for the Quantum Computing Era

Discussion

Member takes

Implication

Key Points

Cite This Study

Post-Quantum Cryptography: Preparing for the Quantum Computing Era

Discussion

Member takes

Implication

Key Points

Cite This Study

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