Design of Volatile USB Storage Device Based on Information Security

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Integrated Circuits and Embedded Systems ›› 2022, Vol. 22 ›› Issue (9) : 41-44.

TECHNOLOGY REVIEW

Design of Volatile USB Storage Device Based on Information Security

Zhong Wujie, Pan Ziqing, Wang Yongwei, Shi Gongcheng, Zhang Chengwei, Zhong Guohui

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Abstract

Universal Serial Bus (USB) is a widely used hardware interface for mass storage devices.USB MSDs are widely used in daily life,because they can provide high transmission speed and are relatively convenient to carry.But these characteristics also make the data in USB MSDs easy to attack and steal.Traditional data security methods generally use authentication systems to prevent information leakage.This method can guarantee data security to a certain extent,but there is also the risk of authentication failure or hardware brute force cracking.This article proposes a hardware security solution based on SDRAM storage media and Cortex-M4 microprocessor,which can ensure that the data in USB MSDs is lost after they are disconnected from the host for several minutes.

Key words

USB / mass storage devices / SDRAM / STM32

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Zhong Wujie, Pan Ziqing, Wang Yongwei, Shi Gongcheng, Zhang Chengwei, Zhong Guohui. Design of Volatile USB Storage Device Based on Information Security[J]. Integrated Circuits and Embedded Systems. 2022, 22(9): 41-44

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