A Study on a Secure USB Mechanism That Prevents the Exposure of Authentication Information for Smart Human Care Services

Table 1

Classification of secure USB flash drive types.

Classification		Method	Applied security technology
Hardware	Controller method	Controller internal password authentication	User authentication
		Partitioning	Access control
	Encryption module method	Biometric authentication	User authentication
		Data encryption module	Data encryption/decryption
Software	Disk utilization method	Whole disk	Data encryption/decryption
		Image file	Data encryption/decryption
		Container	Data encryption/decryption
		Reserved domain	Access control
	Access control method	User authentication	Access control
		Device authentication	Access control