Memory attestation of wireless sensor nodes by trusted local agents

doi:10.1109/Trustcom.2015.360

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题名:	Memory attestation of wireless sensor nodes by trusted local agents
作者:	Yang, Po-hung;Yen, Sung-ming
关键词:	Wireless sensor networks;Security;Hardware;Protocols;Base stations;Clocks
日期:	2015-08-20
上传时间:	2025-03-20 12:05:32 (UTC+8)
出版者:	IEEE
摘要:	Wireless Sensor Networks (WSNs) have been deployed for a wide variety of commercial, scientific, or military applications for the purposes of surveillance and critical data collection. Malicious code injection is a serious threat to the sensor nodes which enable fake data delivery or private data disclosure. The technique of memory attestation used to verify the integrity of a device's firmware is a potential solution against the aforementioned threat, and among which low cost software-based schemes are particularly suitable for protecting the resource-constraint sensor nodes. Unfortunately, the software-based attestation usually requires additional mechanisms to provide a reliable protection when the sensor nodes communicate with the verifier via multi-hop. Alternative hardware-based attestation (e.g., TPM) guarantees a reliable integrity measurement while it is impractical for the WSN applications primary due to the high computational overhead and hardware cost. This paper proposes a lightweight hardware-based memory attestation scheme by employing a simple tamper-resistant trusted local agent which is free from any cryptographic computation and is particularly suitable for the sensor nodes. The experimental results show the effectiveness of the proposed scheme.
DOI:	10.1109/Trustcom.2015.360
显示于类别:	[資訊工程學系暨研究所] 會議論文

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