Table 4 Time consumption of a single operation of each function.
From: Lightweight identity authentication and key agreement scheme for VANETs based on SSL-PUF
Symbol | Description | Run time(us) | |
|---|---|---|---|
Terminal | TA | ||
Th | Hash function | 2.25 | 0.3 |
Tpuf | SSL-PUF response | 3.8 | 0.09 |
TBCHE | BCH encoding operation | – | 12.79 |
TBCHD | BCH decoding operation | 385.7 | – |
TPA | Confidentiality-enhanced computation | 300.8 | 2.91 |
TEnc | Symmetric encryption/decryption operation | 21.3 | 0.31 |
TKDF | Key agreement operation | 22.4 | 0.3 |
Tprng | Pseudo-random number operation | 21.9 | 0.33 |
TXor | Bitwise XOR operation | 5.6 | 0.08 |
TeccM | Elliptic curve point multiplication operation | 10,500 | 104.14 |
Thp | Bilinear pairing operation | 3040 | 29.0 |
TeccMS | Elliptic curve scalar multiplication | 5030 | 51 |
Thtp | Hash to point operation | 11,000 | 108 |
Teca | Elliptic Curve Point Addition | 102.7 | 1.5 |
