Research Article

[Retracted] An Anonymous Authentication Scheme in VANETs of Smart City Based on Certificateless Group Signature

Table 1

Performance analysis.

SchemeLength of public keySignature lengthJoining costRevocation costSignature costVerification cost

LPY [4]O (1)O (1)O (N)O (1)O (1)O (1)
YJD [11]O (1)O (1)O (N)O (1)O (N)O (1)
This schemeO (1)O (1)O (N)O (N)O (1)O (1)