Secure and Efficient Communication in VANETs Using Level-Based Access Control

Table 1

Comparison of encryptions schemes with our LBS scheme.

Schemes  properties	Multi receivers	Confidentiality	Authenticity	Privacy	Constant size
YW21(SignCryption) [37]	✕	✓	✓	✕	✓
LDR21(SignCryption) [39]	✕	✓	✓	✕	✓
ZMW16(HIBE) [28]	✓	✓	✕	✕	✓
GPSW06(KP-ABE) [9]	✓	✓	✕	✕	✕
XHXWYH17(CABE) [13]	✓	✓	✕	✕	✕
BSW07(CP-ABE) [10]	✓	✓	✓	✕	✕
RW15(CP-ABE) [11]	✓	✓	✕	✕	✕
YTC14(CP-ABE) [12]	✓	✓	✕	✕	✕
PPB16(ABSC) [33]	✓	✓	✓	✓	✕
SLLL17(ABSC) [34]	✓	✓	✓	✓	✕
Rao17(ABSC) [36]	✓	✓	✓	✓	✕
YLWXY20(ABSC) [40]	✓	✓	✓	✓	✕
Our LBS	✓	✓	✓	✕	✓
Our LBS with OP	✓	✓	✓	✓	✓