Analysis and Enhancement of a Password Authentication and Update Scheme Based on Elliptic Curve Cryptography

Table 2

Comparisons of functionalities.

	RG1	RG2	RG3	RG4	RG5	RG6	RG7	RG8	PKI
[6]	No	Yes	No	No	No	Yes	No	No	Yes
[10]	Yes	Yes	No	No	No	No	Yes	No	Yes
[13]	Yes	Yes	No	Yes	No	Yes	Yes	Yes	Yes
Ours	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	No