Research Article
A Lightweight and Secure Anonymous User Authentication Protocol for Wireless Body Area Networks
Table 3
Execution time of the related pairing-based operations.
| Notations | Execution time for various operations |
| Th | One-way hash function H (·) or h (·) | Tpair | Bilinear pairing computation | Tadd | Addition operation of points in ECC | Texp | Exponential operation | Tmul | Scalar multiplication of elliptic curve | Ten | Symmetric encryption algorithm AES (128-bit key) |
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