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A Fine-Grained User-Divided Privacy-Preserving Access Control Protocol in Smart Watch.

Liming Fang1,2, Minghui Li3, Lu Zhou4

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This study introduces a fine-grained privacy-preserving access control architecture (FPAS) for smart watches. FPAS balances privacy and data control using identity-based authentication and attribute-based policies for secure wearable device deployment.

Keywords:
attribute-based encryptionhomomorphic computationprivacy preservationre-encryptionsmart watch

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Wearable Technology

Background:

  • Smart watches, as Internet of Things devices, face significant security and privacy challenges hindering widespread adoption.
  • Current security solutions fail to adequately balance privacy preservation with robust data access control.

Purpose of the Study:

  • To propose a novel fine-grained privacy-preserving access control architecture (FPAS) specifically designed for smart watch security.
  • To address the limitations of existing mechanisms in achieving both privacy and access control.

Main Methods:

  • Leveraging identity-based authentication to prevent unauthorized device connections.
  • Implementing policy-based access control with a focus on data privacy preservation.
  • Utilizing a homomorphic and re-encrypted scheme for secure ciphertext computation and attribute-based data requester division.

Main Results:

  • A concrete FPAS scheme was developed and its security rigorously analyzed.
  • Performance evaluations confirmed the efficiency, practicality, and extensibility of the proposed FPAS architecture.

Conclusions:

  • The FPAS architecture offers an effective solution for enhancing smart watch security and privacy.
  • The proposed scheme provides a balanced approach to data access control and privacy preservation for wearable devices.