Journal
IEEE SENSORS JOURNAL
Volume 16, Issue 8, Pages 2217-2218Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2016.2519539
Keywords
DoS attacks; public-key cryptography; random drop; wireless sensor networks
Funding
- National Research Foundation of Korea Grant through the Korean Government [2012K1A3A1A09026959]
- National Research Foundation of Korea [2012K1A3A1A09026959] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Public-key cryptography (PKC) operations are heavy to resource-constrained sensor nodes. Therefore, attackers can cripple a sensor node by forcing it to perform a large number of false PKC operations. In this letter, we propose a fully distributed and effective scheme that randomly drops extra PKC request messages beyond its processing capability. Our scheme is not only resistant to PKC-based denial-of-service attacks, but also energy-efficient.
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