Secure dynamic MANET on-demand (SEDYMO) routing protocol

Helena Rifà-Pous*, Jordi Herrera-Joancomartí

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

11 Citations (Scopus)


This paper describes the state of the art of secure ad hoc routing protocols and presents SEDYMO, a mechanism to secure a dynamic multihop ad hoc routing protocol. The proposed solution defeats internal and external attacks using a trustworthiness model based on a distributed certification authority. Digital signatures and hash chains are used to ensure the correctness of the protocol. The protocol is compared with other alternatives in terms of security strength, energy efficiency and time delay. Both computational and transmission costs are considered and it is shown that the secure protocol overhead is not a critical factor compared to the high network interface cost.

Original languageEnglish
Pages (from-to)372-380
Number of pages9
JournalProceedings - CNSR 2007: Fifth Annual Conference on Communication Networks and Services Research
Publication statusPublished - 2007


  • Digital signatures
  • Network attacks
  • Network security
  • Secure routing protocols


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