A Provably Secure Biometrics-Based Authentication Scheme for Multiserver Environment

Table 1

Notations.

Symbols	Description
	user
	Server
RC	Registration center
	Malicious adversary
x	Master key of RC
, ,	Identity, password and biometric of
	Identity of
	A generator of elliptic curve group
	Symmetric encryption/decryption algorithm with key
	Session key between and
	The string concatenation operation
	The bitwise XOR operation
	Hash function
	Bio-hash function, it maps the biometric and a tokenised random number to a random binary string