Research Article
Chebyshev Polynomial-Based Authentication Scheme in Multiserver Environment
Table 4
Notations used in the scheme [
19].
| Notations | Description |
| U, S | User/patient, telecare server | PW, ID, B | Password/identity/biometrics of U | s | Private key of server | SK | Session key between U and S | h (.) | Cryptographic one-way hash function | Encx (.)/Decx (.) | Symmetric encryption scheme | Gen | Probabilistic generation algorithm | Rep | Probabilistic reproduction algorithm | ā, ||, Tn | XOR, concatenation, Chebyshev operation |
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