Research Article
A Secure Three-Factor Multiserver Authentication Protocol against the Honest-But-Curious Servers
Table 7
The functionality comparison.
| | | S1 | S2 | S3 | S4 | S5 | S6 | our scheme |
| | | Yes | Yes | Yes | Yes | No | Yes | Yes |
| | | No | Yes | Yes | Yes | Yes | Yes | Yes |
| | | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| | | No | Yes | Yes | Yes | Yes | Yes | Yes |
| | | No | No | Yes | Yes | Yes | Yes | Yes |
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