Abstract:

This paper proposes a digital watermarking scheme for ensuring the data integrity of wireless sensor networks based on the parity of data.This scheme embeds watermarking signal by changing the parity of data,thus realizing fast and accurate extraction of the watermark sequence.Extensive experimental results demonstrate the effectiveness of the proposed scheme in identification of illegal tampering,high security and good transparency without additional storage cost,thereby significantly reducing the power consumption of the wireless sensor network.

Key words: wireless sensor networks;data integrity;digital watermark;parity