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A Secure and Robust Covert Channel Based on Secret Sharing Scheme

  • Xiaorong Lu
  • Yang Wang
  • Liusheng Huang
  • Wei Yang
  • Yao Shen
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 9932)

Abstract

Network covert channel (referred to as network steganography) is a covert communication technique that uses the redundancies of network protocols to transfer secret information. While encryption only protects communication from being decoded by unauthorised parties, a covert channel aims to hide the very existence of the secret communication. More recently focus has shifted towards network protocols based covert channels because the huge amount of data and vast number of different protocols in the Internet seems ideal as a high-bandwidth vehicle for covert communication. However, few approaches which can embed secret information with both great security and robustness ensured have been worked out by so far. In this paper, we propose a novel packet length based covert channel exploiting the secret sharing scheme in order to overcome the drawbacks of existing schemes. A comprehensive set of corresponding experiment results and security analysis show that the proposed covert channel is provably secure and with great robustness than that of the existing algorithms.

Keywords

Covert channel Network steganography Packet length Network security Information hiding Network protocols 

Notes

Acknowledgment

This work was supported by the National Natural Science Foundation of China (No. 61572456, No. 61379131) and the Natural Science Foundation of Jiangsu Province of China (No. BK20151241, No. BK20151239).

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Xiaorong Lu
    • 1
  • Yang Wang
    • 2
  • Liusheng Huang
    • 1
  • Wei Yang
    • 1
  • Yao Shen
    • 1
  1. 1.School of Computer Science and TechnologyUniversity of Science and Technology of ChinaHefeiChina
  2. 2.Suzhou Institute for Advanced StudyUniversity of Science and Technology of ChinaSuzhouChina

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