Security and Communication Networks

Research Article

Efficient Hierarchical Authentication Protocol for Multiserver Architecture

Table 6

Performance comparison.
 Protocol roundsComputation costCommunication costStorage costSecurity requirements
User sideServer sideUser sideServer sideC1C2C3C4C5C6C7C8C9C10C11C12C13
Odelu et al. [14]38326721674✓✓✓✕✕✓✓✓✓✓✓✓✕
He et al. [15]3224011843424✓✓✓✕✕✕✓✓✕✓✓✓✕
Ours28966721834✓✓✓✓✓✓✓✓✓✓✓✓✓