Broadcast-Optimal Two-Round MPC

Broadcast-Optimal Two-Round MPC

TheIACR via YouTube Direct link

Intro

1 of 16

1 of 16

Intro

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Broadcast-Optimal Two-Round MPC

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  1. 1 Intro
  2. 2 Secure Multiparty Computation
  3. 3 Many Flavors of Security with Abort
  4. 4 How many rounds needed for MPC?
  5. 5 Main Question
  6. 6 2-Round MPC w/o Broadcast
  7. 7 Part 1: Impossibility Results
  8. 8 Our Results: Lower Bounds
  9. 9 The function for the lower bound
  10. 10 1 Unanimous abort = 2nd round is BC
  11. 11 2 Identifiable abort
  12. 12 Part 2: Feasibility Results
  13. 13 Our Results: Feasibility
  14. 14 Structure of 2-round protocols
  15. 15 Proof idea
  16. 16 Summary

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