An anonymous user authentication with key agreement scheme without pairings for multiserver architecture using SCPKs

Area of Science:

• Computer Science
• Cybersecurity
• Network Security

Background:

• The proliferation of network applications necessitates multi-server architectures for diverse services.
• Designing secure and efficient remote user authentication for multi-server environments presents significant challenges.
• Existing multi-server authentication schemes often face security vulnerabilities or high computational costs.

Purpose of the Study:

• To propose a novel anonymous remote user authentication and key agreement scheme tailored for multi-server architectures.
• To address the limitations of previous schemes, including security flaws and excessive resource consumption.
• To enhance user privacy within multi-server authentication protocols.

Main Methods:

• Development of an authentication scheme utilizing self-certified public keys.
• Implementation without computationally intensive pairing operations.
• Analysis of security and efficiency through comparative studies.

Main Results:

• The proposed scheme achieves anonymous remote user authentication and key agreement.
• It successfully overcomes security issues and high cost consumption of prior protocols.
• The scheme offers enhanced efficiency by eliminating pairing computations.

Conclusions:

• The presented scheme is suitable for multi-server architectures, meeting current requirements.
• It provides a secure, efficient, and privacy-preserving solution for remote user authentication.
• The elimination of pairings contributes to improved performance and feasibility.