Research Article
An Anonymous User Authentication with Key Agreement Scheme without Pairings for Multiserver Architecture Using SCPKs
Table 2
Functionality and security comparison with the related schemes.
| | Functionality | Ours | [18] | [17] | [12] | [11] | [9] | [8] |
| | No repetitive registration | Y | Y | Y | Y | Y | Y | Y | | No verification table | Y | Y | Y | Y | Y | Y | Y | | Mutual authentication with key agreement | Y | Y | N | N | Y | N | N | | No synchronization clock | Y | Y | N | Y | Y | N | Y | | Change password freely | Y | Y | Y | Y | Y | Y | Y | | Anonymity | Y | N | N | Y | Y | Y | Y | | Perfect forward and backward secrecy | Y | Y | N | N | Y | N | N | | No key control | Y | Y | Y | Y | Y | Y | Y | | Known session key security | Y | Y | Y | Y | Y | Y | Y | | Impersonation attack | Y | N | N | N | N | N | N | | Stolen smart card attack | Y | Y | N | N | N | N | N | | Off-line password guessing attack | Y | N | N | Y | N | N | N | | Man-in-the-middle attack | Y | Y | N | Y | Y | N | N | | Server spoofing attack | Y | N | N | Y | Y | Y | N | | Local password verification | Y | N | N | Y | Y | Y | Y |
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