sensor data

At the base station, we detect the authenticity of sensor data and analyse the correlative data.2) Based on the proposed WSN data transmission platform, as well as the characteristics of the fragile watermarking, this paper proposes a digital watermarking method for cheap evening dresses which takes full advantage of the data error. The watermark is embedded into the custom made prom dresses streaming data transmitted in the WSN and extracted at the base station. As demonstrated by the experimental results, this watermarking method does not introduce great distortion to the original data, so that the practical value of original data is guaranteed. The experiment compares the performance change before and after watermark embedding, at the same time the results prove that the algorithm can detect the authenticity of sensor data.3) In addition, depending on the proposed chi flat iron store platform, this paper proposes a time window-based digital watermarking method for WSN. This approach makes full use of the wedding gowns dresses storage format of the sending time of the data packet, digital watermarking and simple message-digest algorithm 5 (MD5) in order to ensure the security of the watermark. At the base station, if the extracted watermark is not correct, the system assumes that the packet has been cheap evening dresses tampered and thus drops it. The experiment compares the performance change before and after watermark embedding, at the same time the results can distinguish right packets from wrong packets.This paper provides new methodologies to ensure the security of WSN, and hence, its research achievements can be used to defend faking and tampering attacks. Moreover, the research made in this paper will provide a superior supporting basis for the development of the methods for the security of WSN data.
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