{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T04:38:49Z","timestamp":1760243929779,"version":"build-2065373602"},"reference-count":34,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2010,8,4]],"date-time":"2010-08-04T00:00:00Z","timestamp":1280880000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/3.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>Security is a critical issue for sensor networks used in hostile environments. When wireless sensor nodes in a wireless sensor network are distributed in an insecure hostile environment, the sensor nodes must be protected: a secret key must be used to protect the nodes transmitting messages. If the nodes are not protected and become compromised, many types of attacks against the network may result. Such is the case with existing schemes, which are vulnerable to attacks because they mostly provide a hop-by-hop paradigm, which is insufficient to defend against known attacks. We propose a location-aware dynamic session-key management protocol for grid-based wireless sensor networks. The proposed protocol improves the security of a secret key. The proposed scheme also includes a key that is dynamically updated. This dynamic update can lower the probability of the key being guessed correctly. Thus currently known attacks can be defended. By utilizing the local information, the proposed scheme can also limit the flooding region in order to reduce the energy that is consumed in discovering routing paths.<\/jats:p>","DOI":"10.3390\/s100807347","type":"journal-article","created":{"date-parts":[[2010,8,4]],"date-time":"2010-08-04T13:58:15Z","timestamp":1280930295000},"page":"7347-7370","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Location-Aware Dynamic Session-Key Management for Grid-Based Wireless Sensor Networks"],"prefix":"10.3390","volume":"10","author":[{"given":"Chin-Ling","family":"Chen","sequence":"first","affiliation":[{"name":"Department of Computer Science and Information Engineering, Chaoyang University of Technology Taichung, Taiwan"}]},{"given":"I-Hsien","family":"Lin","sequence":"additional","affiliation":[{"name":"Department of Computer Science and Information Engineering, Chaoyang University of Technology Taichung, Taiwan"}]}],"member":"1968","published-online":{"date-parts":[[2010,8,4]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"2","DOI":"10.1109\/TNET.2002.808417","article-title":"Directed diffusion for wireless sensor networking","volume":"11","author":"Intanagonwiwat","year":"2003","journal-title":"IEEE Trans. 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