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Secure and efficient use of public k...

Wang, Ronghua.

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Secure and efficient use of public key cryptography in sensor networks.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Secure and efficient use of public key cryptography in sensor networks./
作者:	Wang, Ronghua.
面頁冊數:	135 p.
附註:	Adviser: Wenglian (Kevin) Du.
Contained By:	Dissertation Abstracts International68-05B.
標題:	Computer Science. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3266324
ISBN:	9780549045519

Secure and efficient use of public key cryptography in sensor networks.
Wang, Ronghua.

Secure and efficient use of public key cryptography in sensor networks. - 135 p.

Adviser: Wenglian (Kevin) Du.

Thesis (Ph.D.)--Syracuse University, 2007.

Public key operations were considered impractical for wireless sensor networks due to their high computational cost. However, public keys are important for many applications in sensor networks, such as data encryption/decryption, broadcast authentication, etc. With the rapid development of modern technology, public keys have become feasible for sensor networks, but they are still expensive to use on the sensor nodes. Compared with symmetric key operations, they need more time to process, and consume more energy. Therefore, it is imperative to pay special attention when we design security protocols in sensor networks, especially the ones that involve public keys.

ISBN: 9780549045519Subjects--Topical Terms:

626642
Computer Science.

Secure and efficient use of public key cryptography in sensor networks.
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245 1 0 $a Secure and efficient use of public key cryptography in sensor networks.
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500 $a Source: Dissertation Abstracts International, Volume: 68-05, Section: B, page: 3173.
502 $a Thesis (Ph.D.)--Syracuse University, 2007.
520 $a Public key operations were considered impractical for wireless sensor networks due to their high computational cost. However, public keys are important for many applications in sensor networks, such as data encryption/decryption, broadcast authentication, etc. With the rapid development of modern technology, public keys have become feasible for sensor networks, but they are still expensive to use on the sensor nodes. Compared with symmetric key operations, they need more time to process, and consume more energy. Therefore, it is imperative to pay special attention when we design security protocols in sensor networks, especially the ones that involve public keys.
520 $a Four major issues in the security of sensor networks are addressed in this dissertation: authentication of public keys, broadcast authentication using public keys, broadcast authentication using hash operations, and protection of broadcast authentication schemes that use public key operations. First, I introduce an efficient scheme to authenticate the public keys that the sensor nodes receive if the nodes want to communicate with each other; then, an efficient broadcast authentication scheme that uses short-length public keys is developed and discussed; thirdly, an approach to authenticate broadcast messages using hash functions is presented; and finally, I analyze the attacks to which the public-key based broadcast authentication schemes are susceptible, and present an efficient scheme to protect the network from DoS attacks. For every issue, I present both the algorithm design and the evaluation results. At the end of this thesis, I discuss several topics that may be pursued in the future.
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