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A biometrics-based mutual authentication and key agreement protocol for TMIS using elliptic curve cryptography.
1School of Mathematics and Statistics, Zhoukou Normal University, Zhoukou, 466001 China.
Multimedia Tools and Applications
|October 17, 2022
Summary
This study enhances Telecare Medicine Information System (TMIS) security by proposing a novel biometrics-based authentication protocol. The new scheme offers improved security and efficiency compared to existing methods for remote healthcare.
Area of Science:
- Cybersecurity
- Health Informatics
- Applied Cryptography
Background:
- Telecare Medicine Information Systems (TMIS) are crucial for remote healthcare but operate on insecure networks.
- Existing authentication protocols for TMIS face vulnerabilities, including weak authentication and susceptibility to offline password guessing attacks.
- Ostad-Sharif et al.'s recent scheme for TMIS has identified security weaknesses.
Purpose of the Study:
- To identify and address the security flaws in Ostad-Sharif et al.'s anonymous authentication and key agreement scheme for TMIS.
- To propose a new, robust biometrics-based mutual authentication and key agreement protocol for TMIS.
- To enhance patient privacy and data security in telecare environments.
Main Methods:
- Critically analyzed Ostad-Sharif et al.'s scheme, highlighting issues with strong authentication, password change efficiency, and resistance to offline guessing attacks.
- Developed a novel biometrics-based mutual authentication and key agreement protocol utilizing one-way hash functions and Elliptic Curve Cryptosystem (ECC).
- Formally proved the security of the proposed scheme under the Random Oracle Model (ROM) and conducted heuristic analysis for resistance against known attacks.
Main Results:
- The proposed biometrics-based protocol effectively overcomes the identified weaknesses of Ostad-Sharif et al.'s scheme.
- The new protocol demonstrates enhanced security, particularly against offline password guessing attacks.
- Significant reductions in computation cost (74.5%) and communication overhead (27.3%) compared to existing related schemes were achieved.
Conclusions:
- The proposed biometrics-based mutual authentication and key agreement protocol offers a more secure and efficient solution for Telecare Medicine Information Systems.
- The integration of biometrics, hash functions, and ECC provides a strong defense against cyber threats in remote healthcare.
- This advancement contributes to improved patient privacy and data integrity in telecare applications.
