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Multi-Factor Password-Authenticated Key Exchange via Pythia PRF Service

Zengpeng Li1, Jiuru Wang2, *, Chang Choi3, Wenyin Zhang2
1 College of Computer Science and Technology, Qingdao University, Qingdao, 266071, China.
2 School of Information Science and Engineering, Linyi University, Linyi, 276005, China.
3 IT Research Institute, Chosun University, Gwangju, 61452, South Korea.
* Corresponding Author: Jiuru Wang. Email: .

Computers, Materials & Continua 2020, 63(2), 663-674. https://doi.org/10.32604/cmc.2020.06565

Received 07 March 2019; Accepted 20 July 2019; Issue published 01 May 2020

Abstract

Multi-factor authentication (MFA) was proposed by Pointcheval et al. [Pointcheval and Zimmer (2008)] to improve the security of single-factor (and two-factor) authentication. As the backbone of multi-factor authentication, biometric data are widely observed. Especially, how to keep the privacy of biometric at the password database without impairing efficiency is still an open question. Using the vulnerability of encryption (or hash) algorithms, the attacker can still launch offline brute-force attacks on encrypted (or hashed) biometric data. To address the potential risk of biometric disclosure at the password database, in this paper, we propose a novel efficient and secure MFA key exchange (later denoted as MFAKE) protocol leveraging the Pythia PRF service and password-to-random (or PTR) protocol. Armed with the PTR protocol, a master password pwd can be translated by the user into independent pseudorandom passwords (or rwd) for each user account with the help of device (e.g., smart phone). Meanwhile, using the Pythia PRF service, the password database can avoid leakage of the local user’s password and biometric data. This is the first paper to achieve the password and biometric harden service simultaneously using the PTR protocol and Pythia PRF.

Keywords

Multi-factor authentication key exchange, biometric data, password-torandom, Pythia PRF.

Cite This Article

Z. Li, J. Wang, C. Choi and W. Zhang, "Multi-factor password-authenticated key exchange via pythia prf service," Computers, Materials & Continua, vol. 63, no.2, pp. 663–674, 2020.



This work is licensed under a Creative Commons Attribution 4.0 International License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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