A Secure and Efficient ECC-Based Anonymous Authentication Protocol

Table 1

Notations.

Symbol	Description
	user
S	Remote server
	Malicious adversary
	Identity of user
	Password of user
	Master key of S
P	A generator P of elliptic curve group
,	The current timestamp of , S
	The current timestamp
	Symmetric encryption/ decryption algorithm with key
SK	Session key between and S
	Hash function
	The string concatenation operation
	The bitwise XOR operation
→	A public communication channel
⇒	A secure communication channel
	Identity of home agent
	Identity of the foreign agent