Table 1 Notations and description.
From: Physically secure and fog-enabled lightweight authentication scheme for WBAN
Notation | Description |
|---|---|
\(\:{UID}_{{MD}_{ij}}\) | Unique ID of Monitoring Device \(\:{MD}_{ij}\) |
\(\:{UID}_{{WBAN}_{j}}\) | Unique ID of WBAN Controller \(\:{WBAN}_{j}\) |
\(\:{N}_{{MD}_{ij}}\) and \(\:{N}_{{WBAN}_{j}}\) | Dynamic nonces generated by \(\:{MD}_{ij}\)​ and \(\:{WBAN}_{j}\)​, respectively |
\(\:{TS}_{i}\) | Timestamp for freshness verification |
\(\:SID\) | Session Identifier |
\(\:{K}_{Session}\) | Current session key |
\(\:{K}_{Session}^{Prev}\) | Previous session key |
\(\:{R}_{{MD}_{ij}}\) and \(\:{R}_{{WBAN}_{j}}\) | PUF-based responses from \(\:{MD}_{ij}\) and \(\:{WBAN}_{j}\) |
\(\:MAC\) | Message Authentication Code |
\(\:H\left(x\right)\) | Cryptographic hash function |