消息內(nèi)容保護(hù)的間斷連接移動(dòng)自組織網(wǎng)絡(luò)轉(zhuǎn)發(fā)機(jī)制
doi: 10.11999/JEIT141259
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1.
(重慶郵電大學(xué)寬帶泛在接入技術(shù)研究所 重慶 400065)
基金項(xiàng)目:
國(guó)家自然科學(xué)基金(61371097)，重慶市自然科學(xué)重點(diǎn)基金(CSTC2013JJB40001, CSTC2013JJB40006)，重慶市自然科學(xué)基金(CSTC2011JJA40043, CSTC2014JCYJA40039)，重慶市教委項(xiàng)目(KJ1400402)，重慶市青年科技人才培養(yǎng)計(jì)劃(CSTC2014kJRC- QNRC40001)和重郵青年自然科學(xué)基金(A2012-93)資助課題
Message Content Protected Forwarding Mechanism for Intermittent Connectivity Ad-hoc Networks
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1.
(Broadband Ubiquitous Network Research Laboratory, Chongqing University of Posts and Telecommunications, Chongqing 400065, China)
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2.
(China Academy of Telecommunications Research of MIIT, Beijing 100191, China)
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摘要: 移動(dòng)自組織網(wǎng)絡(luò)資源有限，且節(jié)點(diǎn)之間共享無(wú)線(xiàn)信道并以協(xié)作的方式完成消息轉(zhuǎn)發(fā)，導(dǎo)致所傳輸消息的機(jī)密性較為脆弱。為保護(hù)消息內(nèi)容的機(jī)密性，該文提出一種間斷連接移動(dòng)自組織網(wǎng)絡(luò)中的消息轉(zhuǎn)發(fā)機(jī)制。各節(jié)點(diǎn)對(duì)原始消息進(jìn)行切割，并利用多副本消息轉(zhuǎn)發(fā)過(guò)程的冗余性和節(jié)點(diǎn)相似性控制各片段消息在不相交的路徑上進(jìn)行轉(zhuǎn)發(fā)，進(jìn)而由網(wǎng)絡(luò)中的擺渡節(jié)點(diǎn)收集、檢驗(yàn)并還原、加密得到僅目的節(jié)點(diǎn)能夠解密的完整消息，確保轉(zhuǎn)發(fā)過(guò)程中消息的機(jī)密性、完整性。數(shù)值分析表明所提機(jī)制在保障網(wǎng)絡(luò)性能前提下，能有效保護(hù)消息的機(jī)密性。
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關(guān)鍵詞:
- 移動(dòng)自組織網(wǎng)絡(luò) /
- 消息轉(zhuǎn)發(fā) /
- 機(jī)密性 /
- 節(jié)點(diǎn)相似性
Abstract: In the resource-constrained intermittent connectivity Ad-hoc networks, the wireless media is shared by collaborated nodes for message forwarding, and the confidentiality of messages is particularly vulnerable. To protect the confidentiality of the message content, a message forwarding mechanism for intermittent connectivity Ad-hoc networks is proposed. In this mechanism, the original message is sliced into several pieces to conceal the confidentiality, then taking advantage of the redundancy of message forwarding process from multi-copy routing and the node similarity, the forwarding paths of each piece are controlled to be disjoined. Consequently, the ferry nodes collect these pieces, verify their reliability, and restore to the original message, then encrypt it where only the destination node can decrypt the ciphertext. Finally, the confidentiality and integrity of messages in the forwarding process can be achieved. Numerical analysis shows that under the premise of network performance guaranty, the proposed mechanism can effectively protect the confidentiality of the message.-
Key words:
- Ad-hoc networks /
- Message forwarding /
- Confidentiality /
- Node similarity
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