Table 1 Notations used in this paper
From: Smart card based time efficient authentication scheme for global grid computing
S | Server |
|---|---|
Ui | User |
SID | Identity of server Si |
IDi | Identity of user Ui |
Bi | Biometric data of Ui |
(PWi) | Password of Ui |
h(.) | One-way hash function |
x | The master secret key |
(pk, sk) | Public-private key pair |
⊕ | The exclusive-OR operation |
‖ | Message concatenation |
R | Random number generated by Ui |
nu | Nonce value generated by Ui |
ns | Nonce value generated by the server Si |