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A secure multi phase authentication protocol for cloud infrastructure using elliptic curve cryptography.

R Sivasankar1, M Marikkannan2

  • 1Department of Computer Science and Engineering, Kangeyam Institute of Technology, Tiruppur , 638108, India. ersivashankar@gmail.com.

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|November 21, 2025
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Summary
This summary is machine-generated.

This study introduces a Secure Multi-Phase Authentication Protocol for Cloud Infrastructure (SMPA-CI) using Elliptic Curve Cryptography. The new protocol enhances security and efficiency for cloud data protection.

Keywords:
Access controlAttacksAuthenticationCloud securityDigital signatureECC

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Cryptography

Background:

  • Cloud Infrastructure (CI) growth presents security challenges for sensitive data.
  • Vulnerabilities include replay attacks, man-in-the-middle attacks, and credential theft.
  • Existing authentication schemes may lack efficiency or robust security measures.

Purpose of the Study:

  • To propose a Secure Multi-Phase Authentication Protocol for Cloud Infrastructure (SMPA-CI).
  • To enhance security, user anonymity, and resistance to attacks in CI.
  • To provide an efficient authentication framework for resource-constrained devices.

Main Methods:

  • Developed a four-phase protocol: system initialization, user registration, login authentication, and secure password update.
  • Utilized lightweight cryptographic techniques: digital signatures, elliptic curve-based key exchange, and hash functions.
  • Emphasized mutual authentication and user anonymity.

Main Results:

  • SMPA-CI demonstrated reduced computational cost (up to 18%) and communication overhead (15%).
  • Lowered authentication latency compared to existing Elliptic Curve Cryptography (ECC)-based schemes.
  • Achieved resistance to prevalent attack vectors.

Conclusions:

  • SMPA-CI offers a novel and practical solution for secure cloud infrastructure authentication.
  • The protocol is scalable and performance-aware, suitable for modern CI.
  • Enhances data protection in CI environments through robust, efficient authentication.