Extended Dual-Message QR Codes With Visual Secret Sharing

IF 2.2 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Ran-Zan Wang;Liang-Yi Wang;Kun Chen
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引用次数: 0

Abstract

The camera serves as one of the primary sensors enabling smartphones to interact with the physical world, making it an essential tool for various interactive applications. By exploring the camera's unique way to recognize module bit values in the QR code decoding algorithm, this letter enhances dual-message QR codes by integrating visual secret sharing (VSS) functionalities. Each QR code encodes two distinct messages that can be read by standard QR code readers: one readable at close range and the other at a distance. In addition, the proposed (t, n) VSS scheme allows the confidential message to be revealed by stacking t or more of the n QR codes, while fewer than t QR codes disclose no information about the secret. Readability tests confirm that both messages in each QR code are accessible via standard smartphone QR code apps, and that the confidential message is recognizable to the human eye. Security analyses validate that the confidential message is reliably protected. Compared to previously reported multilayer QR codes, the proposed scheme encodes three layers of messages within a single QR code, archiving a higher information payload. Moreover, the capability to visually reveal the additional confidential message by stacking QR codes without requiring any computational processing is a notable advantage.
扩展双消息QR码与视觉秘密共享
摄像头是智能手机与现实世界互动的主要传感器之一,是各种互动应用程序的必备工具。通过探索相机在QR码解码算法中识别模块位值的独特方式,这封信通过集成视觉秘密共享(VSS)功能来增强双消息QR码。每个QR码编码两种不同的信息,可以被标准QR码阅读器读取:一种是近距离可读,另一种是远距离可读。此外,所提出的(t, n) VSS方案允许将n个QR码中的t个或更多的QR码叠加,而小于t个QR码则不泄露机密信息。可读性测试证实,每个QR码中的两个信息都可以通过标准的智能手机QR码应用程序访问,并且机密信息是人眼可识别的。安全性分析验证机密消息是否得到了可靠的保护。与先前报道的多层QR码相比,该方案在单个QR码中编码三层消息,存档更高的信息有效载荷。此外,通过堆叠QR码,无需任何计算处理就能直观地显示额外的机密信息,这是一个显著的优势。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
IEEE Sensors Letters
IEEE Sensors Letters Engineering-Electrical and Electronic Engineering
CiteScore
3.50
自引率
7.10%
发文量
194
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