An Enhanced Biometric Authentication Scheme for Telecare Medicine Information Systems with Nonce Using Chaotic Hash Function

@article{Das2014AnEB,
  title={An Enhanced Biometric Authentication Scheme for Telecare Medicine Information Systems with Nonce Using Chaotic Hash Function},
  author={Ashok Kumar Das and Adrijit Goswami},
  journal={Journal of Medical Systems},
  year={2014},
  volume={38},
  pages={1-19}
}
Recently, Awasthi and Srivastava proposed a novel biometric remote user authentication scheme for the telecare medicine information system (TMIS) with nonce. Their scheme is very efficient as it is based on efficient chaotic one-way hash function and bitwise XOR operations. In this paper, we first analyze Awasthi-Srivastava’s scheme and then show that their scheme has several drawbacks: (1) incorrect password change phase, (2) fails to preserve user anonymity property, (3) fails to establish a… CONTINUE READING
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