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Non-Invertible Public Key Certificates.
Luis Adrián Lizama-Perez1, J Mauricio López R2
1Dirección de Investigación, Innovación y Posgrado, Universidad Politécnica de Pachuca, Ex-Hacienda de Santa Bárbara, Zempoala, Hidalgo 43380, Mexico.
Entropy (Basel, Switzerland)
|March 6, 2021
Summary
This study introduces a scalable public key infrastructure (PKI) for the quantum era using a novel non-invertible key exchange protocol. It ensures secure, interoperable, and efficient certification, with perfect forward secrecy (PFS).
Area of Science:
- Cryptography and Network Security
- Quantum Computing Security
Background:
- Current post-quantum public cryptosystems lack scalability for future quantum computing threats.
- A robust Public Key Infrastructure (PKI) is essential for secure digital communication in the quantum era.
Purpose of the Study:
- To demonstrate a scalable, secure, and interoperable PKI for the quantum era.
- To introduce a public certification system based on Lizama's non-invertible key exchange protocol.
- To explore perfect forward secrecy (PFS) for non-invertible certificates.
Main Methods:
- Utilizing Lizama's non-invertible key exchange protocol for certificate generation.
- Implementing a public certification system to manage digital identities.
- Demonstrating cross-domain certificate functionality.
- Developing a method to achieve perfect forward secrecy (PFS) in non-invertible certificates.
Main Results:
- A functional public certification system is demonstrated.
- The system shows scalability and interoperability across different certification domains.
- Non-invertible certificates are shown to support perfect forward secrecy (PFS).
Conclusions:
- The proposed system offers a viable solution for a quantum-era PKI.
- Lizama's protocol enables a secure, scalable, and efficient PKI.
- The integration of PFS enhances the security of quantum-resistant communication.
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