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    Tao Jun, Zhu Zhenchao, Wang Zhaoyue, Li Wenqiang, Sun Weice. A Feature Watermarking Generation and Embedding Scheme for IPv6 Network[J]. Journal of Computer Research and Development, 2021, 58(11): 2400-2415. DOI: 10.7544/issn1000-1239.2021.20210654
    Citation: Tao Jun, Zhu Zhenchao, Wang Zhaoyue, Li Wenqiang, Sun Weice. A Feature Watermarking Generation and Embedding Scheme for IPv6 Network[J]. Journal of Computer Research and Development, 2021, 58(11): 2400-2415. DOI: 10.7544/issn1000-1239.2021.20210654

    A Feature Watermarking Generation and Embedding Scheme for IPv6 Network

    • Under the limitation of space and time resources, researchers exploit the network covert channel, which based on a small amount of watermark information, to trace the attack flow and locate the real attack source. However, the self-similarity of the tracked traffic would appear because of the relatively fixed content and location of the watermark. What’s more, the IPSec encryption protocol embedded in the IPv6 protocol limits the range of carrier choice, which may threaten the watermarking based on the single carrier. In this paper, Targeting at optimizing the watermark invisibility, combined with intermediate node not dividing the packet for IPv6 environment, considering the feature extraction limitation of intermittent transmission network and slow flow network, the feature watermarking sequence extraction strategy associated with the target stream is designed. Aiming at different network transmission scenarios, a packet-dependent watermarking generation based on mixed covert channel and a time-dependent watermarking generation based on mixed time slot are proposed. Extensive experiments show that the watermarking generation technology proposed in this paper can reduce the impact of watermarking embedding on the original traffic, decrease the probability of watermarking being recognized and attack, and improve the imperceptibility of watermark under the premise of certain accuracy.
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