Welcome to the resource topic for 2023/1215
Authentica: A Secure Authentication Mechanism using a Software-defined Unclonable Function
Authors: Ripon Patgiri, Laiphrakpam Dolendro SinghAbstract:
Password-based authentication is an extensively used method to authenticate users. It uses cryptography to communicate the authentication process. On the contrary, the physically unclonable function (PUF)-based authentication mechanism is also gaining popularity rapidly due to its usability in IoT devices. It is a lightweight authentication mechanism that does not use cryptography protocol. PUF-based authentication mechanisms cannot authenticate users. To overcome the drawback of PUF, we introduce a software-defined unclonable function (SUF, for short). Contrary to the PUF, the SUF is used to authenticate users, not devices. We use SUF to implement a lightweight password-based authentication mechanism termed Authentica. Authentica bridges the gap between the password-based and the PUF-based authentication mechanism. Authentica does not use cryptography for authentication. However, we establish challenge-response using cryptography during the registration phase, which is a one-time cost. Authentica addresses a) impersonation attacks, b) collision attacks, c) dictionary and rainbow table attacks, d) replay attacks, e) DDoS attacks, f) the domino effect issues, and g) the challenge-response database leakage issues.
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