From: Robust IoT-based nursing-care support system with smart bio-objects
Symbol | Definition |
---|---|
di | Intelligent device (i.e. smart bio-sensors or fixed environmental sensors) |
gj | Mobile gateway (operated by the nurse or the doctor) |
S | The nursing-care server |
\(ID_{{d_{i} }}\) | Private identity of di |
IDs | Public identity of the nursing-care server S |
\(ID_{{g_{j} }}\) | Public identity of the mobile gateway gj |
\(AID_{{d_{i} }}\) | One-time-alias identity of di |
SID | A set of un-linkable shadow identities SID = {sid1, sid2, …} |
Kds | The secret key shared between di and S |
Kgs | The secret key shared between gj and S |
Trseq | Track sequence number |
Nds, Nj, Ngs, Nd, Ng, m | Random numbers |
H(.) | Secure one-way hash function, i.e. SHA-3 |
\(\oplus\) | Bitwise exclusive-or operation |
|| | Concatenation operation |