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<p>This paper introduces an access control system for shared spaces that combines enhanced visual cryptography with smart lock technology. The system shows clear visual indicators of occupancy while maintaining strong security through decentralized authentication. When a room is free, the lock displays “ENTER”. Once occupied, it switches to a black image, signaling unavailability. Users authenticate via Bluetooth, exchanging cryptographic credentials with their smartphones. The system verifies credentials through secure hashing before granting access. Designed for coworking spaces and smart offices, the solution balances security with usability and provides a lightweight alternative to centralized models.</p>

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An enhanced visual cryptography framework for smart lock authentication

  • 期刊论文

  • 出版模式：

    开放获取

  • 发表日期：

    2025年11月18日

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  • Chihi Hasnae,
  • Chahboun Asaad,
  • Mezroui Soufiane

摘要

This paper introduces an access control system for shared spaces that combines enhanced visual cryptography with smart lock technology. The system shows clear visual indicators of occupancy while maintaining strong security through decentralized authentication. When a room is free, the lock displays “ENTER”. Once occupied, it switches to a black image, signaling unavailability. Users authenticate via Bluetooth, exchanging cryptographic credentials with their smartphones. The system verifies credentials through secure hashing before granting access. Designed for coworking spaces and smart offices, the solution balances security with usability and provides a lightweight alternative to centralized models.