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Providing source privacy in wireless...

Li, Yun.

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Providing source privacy in wireless sensor networks.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Providing source privacy in wireless sensor networks./
作者:	Li, Yun.
面頁冊數:	122 p.
附註:	Source: Dissertation Abstracts International, Volume: 71-12, Section: B, page: 7617.
Contained By:	Dissertation Abstracts International71-12B.
標題:	Engineering, Electronics and Electrical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3435129
ISBN:	9781124337746

Providing source privacy in wireless sensor networks.
Li, Yun.

Providing source privacy in wireless sensor networks. - 122 p.

Source: Dissertation Abstracts International, Volume: 71-12, Section: B, page: 7617.

Thesis (Ph.D.)--Michigan State University, 2010.

Wireless sensor networks (WSNs) have the potential to be widely used in many areas for unattended event monitoring. Mainly due to the lack of a protected physical boundary, wireless communications are vulnerable to unauthorized interception and detection. Security problem has become one of the major issues that jeopardize the successful deployment of WSNs. While message content confidentiality can be ensured through message encryption, it is much more difficult to adequately protect source privacy, which includes source-location privacy and source message authentication. For WSNs, source privacy protection is further complicated by the fact that sensor nodes consist of low-cost and low-power radio devices, computationally intensive cryptographic algorithms (such as public-key cryptosystems) and large scale broadcasting-based protocols are generally not suitable for WSNs.

ISBN: 9781124337746Subjects--Topical Terms:

626636
Engineering, Electronics and Electrical.

Providing source privacy in wireless sensor networks.
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245 1 0 $a Providing source privacy in wireless sensor networks.
300 $a 122 p.
500 $a Source: Dissertation Abstracts International, Volume: 71-12, Section: B, page: 7617.
500 $a Adviser: Jian Ren.
502 $a Thesis (Ph.D.)--Michigan State University, 2010.
520 $a Wireless sensor networks (WSNs) have the potential to be widely used in many areas for unattended event monitoring. Mainly due to the lack of a protected physical boundary, wireless communications are vulnerable to unauthorized interception and detection. Security problem has become one of the major issues that jeopardize the successful deployment of WSNs. While message content confidentiality can be ensured through message encryption, it is much more difficult to adequately protect source privacy, which includes source-location privacy and source message authentication. For WSNs, source privacy protection is further complicated by the fact that sensor nodes consist of low-cost and low-power radio devices, computationally intensive cryptographic algorithms (such as public-key cryptosystems) and large scale broadcasting-based protocols are generally not suitable for WSNs.
520 $a While many protocols have been proposed to provide source-location privacy, most of them are based on public-key cryptosystems. Others are either energy inefficient or have certain security flaws. In addition, no model has been proposed to quantitatively evaluate security properties of source-location privacy protection schemes. In this dissertation, we first build a security evaluation model and use this model to analyze some of the existing source-location privacy schemes. Then, using the security model as guidance, we propose a dynamic ID assignment scheme and four routing-based source-location privacy schemes. The first routing-based scheme routes each message to a randomly selected intermediate node before it is transmitted to the SINK node. We introduce three intermediate node selection methods, which are constrained method, totally random method, and ring-hand based method respectively. In the second routing-based scheme, a network mixing ring (NMR) is proposed to provide network-level source-location privacy. The third and the fourth routing-based schemes protect source-location privacy through multiple intermediate nodes, which are selected based on angle and quadrant respectively. For each of these routing-based schemes, we provide detailed security analysis and simulation results.
520 $a Message authentication is a crucial issue in source privacy protection. Without authentication, even network administrator cannot get source information. In addition, valid messages cannot be distinguished from fake or corrupted messages. Many symmetric-key based or public-key based schemes have been developed to provide message authentication and source non-repudiation services. Most of them, however, can only provide end-to-end authentication, or have the limitations of high computation and communication overhead. To address these issues, a polynomial-based scheme was introduced recently. However, this scheme and its extensions suffer from a built-in threshold limited by the degree of the polynomial. In this dissertation, we propose a scalable authentication scheme based on elliptic curve cryptography (ECC). While enabling hop-by-hop authentication, the proposed scheme allows any node to transmit an unlimited number of messages without suffering the threshold problem. Both theoretical analysis and simulation results demonstrate that the proposed scheme is secure with light overhead.
590 $a School code: 0128.
650 4 $a Engineering, Electronics and Electrical. $3 626636
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710 2 $a Michigan State University. $3 676168
773 0 $t Dissertation Abstracts International $g 71-12B.
790 $a 0128
791 $a Ph.D.
792 $a 2010
793 $a English
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