Research Article
Secure Patient Authentication Framework in the Healthcare System Using Wireless Medical Sensor Networks
Table 2
Notations and its descriptions.
| Symbol | Description |
| Uia | Medical professional | SNja | Sensor node | IDia | User’s identity | K | Gateway secret key | R1, R2, R3 | Random numbers | || | Concatenation function | GW | Gateway node | PWia | User’s password | IDSNj | Sensor nodes identity | TIDia | Temporary-identity generated by GW for Uia | h(·) | Collision-free hash-operation | ⊕ | Bitwise XOR operation |
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