New results on multilevel diversity coding with secure regeneration Academic Article uri icon

abstract

  • 2018, Science China Press and Springer-Verlag GmbH Germany, part of Springer Nature. The problem of multilevel diversity coding with secure regeneration is revisited. Under the assumption that the eavesdropper can access the repair data for all compromised storage nodes, Shao et al. provided a precise characterization of the minimum-bandwidth-regeneration (MBR) point of the achievable normalized storage-capacity repair-bandwidth tradeoff region. In this paper, it is shown that the MBR point of the achievable normalized storage-capacity repair-bandwidth tradeoff region remains the same even if we assume that the eavesdropper can access the repair data for some compromised storage nodes (defined as the type II compromised nodes) but only the data contents of the remaining compromised nodes (defined as the type I compromised nodes), as long as the number of type I compromised nodes is no greater than that of type II compromised nodes.

published proceedings

  • SCIENCE CHINA-INFORMATION SCIENCES

author list (cited authors)

  • Shao, S., Liu, T., Tian, C., & Shen, C.

citation count

  • 0

complete list of authors

  • Shao, Shuo||Liu, Tie||Tian, Chao||Shen, Cong

publication date

  • January 1, 2018 11:11 AM