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Cancelable fingerprint template protection scheme based on random projection and improved min-max hash

Song Shuaichao1
Guo Songhui1
Yang Yeming1
Yu Miao1,2
1. Information Engineering University, College of Cryptography Engineering, Zhengzhou 450001, China
2. PLA Unit 95861, Jiuquan Gansu 735018, China

Abstract

With the widespread application of biometric, unprotected biometric templates is still at risk of serious security and privacy breaches. Existing biometric template protection schemes destroy the structure of the original biometric to satisfy irreversibility, reduce the recognition accuracy of biometric templates, and often face challenges in balancing accuracy and security. Therefore, a cancelable fingerprint template protection scheme based on random projection with improved Min-Max hash is proposed to alleviate the balance problem of accuracy and security while achieving fingerprint template revocability. First, the Gaussian random projection matrix is used to randomly project the high-dimensional original fingerprint features into low-dimensional space to maintain the distance similarity between the low-dimensional features and the original fingerprint features. Then, the Min-Max hash algorithm is improved by using the minimum index, subminimum index, sub-maximum index, and maximum index of the projected low-dimensional features as the hash code. This improvement alleviates the reduced recognition accuracy caused by the deviation of the minimum and maximum indexes in the Min-Max hashing algorithm while enhancing the efficiency of generating fingerprint templates. Finally, a cross-matching method based on Jaccard similarity is proposed to increase the collision probability between hash codes, further improving the recognition accuracy of fingerprint templates. Experimental results and analyses show that this scheme improves the recognition accuracy and generation efficiency of fingerprint templates while resisting security and privacy attacks. This approach demonstrates high universality for the protection of biometric templates such as fingerprints and faces.

Publish Information

DOI: 10.19734/j.issn.1001-3695.2024.08.0375
Publish at: Application Research of Computers Accepted Paper, Vol. 42, 2025 No. 6

Publish History

[2025-03-10] Accepted Paper

Cite This Article

宋帅超, 郭松辉, 杨烨铭, 等. 基于随机投影与改进Min-Max哈希的可撤销指纹模板保护方案 [J]. 计算机应用研究, 2025, 42 (6). (2025-03-10). https://doi.org/10.19734/j.issn.1001-3695.2024.08.0375. (Song Shuaichao, Guo Songhui, Yang Yeming, et al. Cancelable fingerprint template protection scheme based on random projection and improved min-max hash [J]. Application Research of Computers, 2025, 42 (6). (2025-03-10). https://doi.org/10.19734/j.issn.1001-3695.2024.08.0375. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.


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