Research Article

En-Route Message Authentication Scheme for Filtering False Data in WSNs

Algorithm 3

Processing of Ta’s expiration.
 /∗ is processing the report R sent by .∗/
if ( is the CoS node in R) {
  if (count_i0 ≥ s) return 1;
}
else {// is a forwarding node.
  if (count_i1 ≥ s) return 1;
}
return 0;