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Published in:
2010 | OriginalPaper | Chapter
Security Enhancement for Authentication of Nodes in MANET by Checking the CRL Status of Servers
Authors : Azeem Irshad, Wajahat Noshairwan, Muhammad Shafiq, Shahzada Khurram, Ehtsham Irshad, Muhammad Usman
Published in: Security-Enriched Urban Computing and Smart Grid
Publisher: Springer Berlin Heidelberg
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MANET security is becoming a challenge for researchers with the time. The lack of infrastructure gives rise to authentication problems in these networks. Most of the TTP and non-TTP based schemes seem to be impractical for being adopted in MANETs. A hybrid key-management scheme addressed these issues effectively by pre-assigned logins on offline basis and issuing certificates on its basis using 4G services. However, the scheme did not taken into account the CRL status of servers; if it is embedded the nodes need to check frequently the server’s CRL status for authenticating any node and place external messages outside MANET which leads to overheads. We have tried to reduce them by introducing an online MANET Authority responsible for issuing certificates by considering the CRL status of servers, renewing them and key verification within MANET that has greatly reduced the external messages.