Concurrently Deniable Group Key Agreement and Its Application to Privacy-Preserving VANETs

Table 1

Comparisons of deniable key agreement protocols.

Scheme	Scale	Round	Concurrency	RO	Deniability realization
[3]	group			✓	Rewinding
[26]	group			-	Rewinding
[10]	2-party		✓	✓	KEA assumption
[22]	2-party		✓	✓	Public RO
Proposed	group		✓	-	Ring signature