Journal of Systems Science and Information

A Secure Cryptographic System Based on SSVEP Brain-Computer Interface Technology

Xu XIAO, Feiyang ZHANG, Wenhan YIN, Dezhi ZHENG

Journal of Systems Science and Information, 2024, 12(3): 423-432. DOI: 10.21078/JSSI-2023-0113

Target	Stimulation target frequency	Phase difference	Test times	Correct times		Accuracy
Target	Stimulation target frequency	Phase difference	Test times	Subject # 1	Subject # 2	Subject # 1	Subject # 2
Key 1	10.3 Hz	0	12	12	12	100%	100%
Key 2	10.8 Hz	0	12	12	12	100%	100%
Key 3	11.3 Hz	0	12	12	10	100%	83.33%
Key 4	11.8 Hz	0	12	11	12	91.70%	100%
Key 5	12.3 Hz	0	12	12	12	100%	100%
Key 6	12.8 Hz	0	12	11	12	91.70%	100%
Key 7	13.3 Hz	0	12	12	12	100%	100%
Key 8	13.8 Hz	0	12	12	12	100%	100%
Key 9	14.3 Hz	0	12	11	12	91.70%	100%
Key 0	14.8 Hz	0	12	12	12	100%	100%
Delete key	15.3 Hz	0	12	12	11	100%	91.7%
Confirm key	15.8 Hz	0	12	11	12	91.70%	100%
			Average accuracy			97.2%	97.9%

Table 1 Accuracy of the SSVEP-BCI secure system

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