Table 1 Mathematical notations and their meanings
Notation | Meaning | Notation | Meaning |
|---|---|---|---|
C | Client | TID | Transaction identifier |
IB | Issuing bank | Item no | Item number of the goods |
AB | Acquirer/acquiring bank | Success | Success |
MNO | Mobile network operator | PI | Payment information |
TSM | Trusted service manager | \( DS_{{X_{Y} }} \) | Digital signature generated by ‘X’ for ‘Y’ |
CA | Certifying authority | MS | Message |
Amt | Amount | \( N_{X} \) | Nonce generated by entity ‘X’ |
\( Cert_{X} \) | Certificate of the participant ‘X’ | \( T_{X} \) | Timestamp generated by ‘X’ |
OI | Order information | POS | Point of sale |
\( K_{XY} \) | Symmetric key shared between ‘X’ and ‘Y’ participants | HOI | Hashed order information |