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MLCC: A N ew Hash-chained Mechanism for Multicast Source Authentication

MLCC: A N ew Hash-chained Mechanism for Multicast Source Authentication. Source: International Journal of Communication Systems Authors: H. Eltaief, and H. Youssef Presenter: Chia-Chang Sung( 宋佳璋 ) Date: 2010/08/27. Outline. Introduction Hash-chained mechanism Proposed scheme

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MLCC: A N ew Hash-chained Mechanism for Multicast Source Authentication

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  1. MLCC: ANew Hash-chained Mechanism for Multicast Source Authentication Source: International Journal of Communication Systems Authors: H. Eltaief, and H. Youssef Presenter: Chia-Chang Sung(宋佳璋) Date: 2010/08/27

  2. Outline • Introduction • Hash-chained mechanism • Proposed scheme • Analysis • Comparison • Comment

  3. Introduction • Goal • Propose a new hash-chained mechanism to achieve stronger resistance to packet losses with low overhead and high authenticationprobability • Related work • Hash-chained mechanism

  4. Hash-chained mechanism P2 P1 P3 D2 D1 D3 Sign(P1) H(P3) H(P2) Hash Hash

  5. Proposed scheme

  6. Proposed scheme

  7. 1 4 7 nline=3 ncol=3 nhline=3 nhcol=1 2 5 8 Layer1 3 6 9 10 13 16 11 14 17 12 15 18 Layer2

  8. Analysis(1/3)

  9. Analysis(2/3) s=128B h=64B nhcol=1 nhline=2 nhsig=4

  10. Analysis(3/3)

  11. Comparison nmes=1000, h=10B, s=128B

  12. Comments • Not suitable for real-time applications • Lower overhead may cause more delay • The performance can be estimated

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