Two-Factor Authentication and Key Agreement Schemes for Smart Home Fingerprint Characteristics

Table 1

Symbols and meanings used in this article.

Notation	Description	Notation	Description
	The user		Hash function
	Smart home terminal sensor node		Fuzzy extractor
	The system generates random numbers		Serial operation
	Randomly generated key		Exclusive or operation (XOR)
	The identity of the user		The challenge of
	Session key		’s response to
	Random generated number		The fingerprint template for
	functions that are not physically reproducible