Provably Secure ECC-Based Three-Factor Authentication Scheme for Mobile Cloud Computing with Offline Registration Centre

Table 1

Notations.

Symbols	Description
RC	The registration center
	The user
	The cloud server
,	’s identity, password, and biometric
	’s identity
	A generator of elliptic curve group
,	’s private key and public key
,	’s private key and public key
	Session key
	The string concatenation operation
	The bitwise XOR operation
	Hash function
	Biohashing function, it maps the biometric of user to a random string