Research Article

An Improved Broadcast Authentication Protocol for Wireless Sensor Networks Based on the Self-Reinitializable Hash Chains

Table 4

The comparisons of SRHC-TD and the RHCs.

Storage methodThe whole chainThe seed

InitializationComputationSRHC < SUHC < RHC < SRHC-TDSRHC < SUHC < RHC < SRHC-TD
CommunicationSRHC-TD = RHC = SRHC = SUHCSRHC-TD = RHC = SRHC = SUHC

Publication and verification and recombinationComputationSRHC-TD < RHC < SRHC < SUHCSRHC-TD < RHC < SRHC < SUHC
CommunicationSRHC-TD = SRHC < RHC = SUHCSRHC-TD = SRHC < RHC = SUHC