A Key Recovery Attack on MDPC with CCA Security Using Decoding Errors

A Key Recovery Attack on MDPC with CCA Security Using Decoding Errors

TheIACR via YouTube Direct link

Intro

1 of 15

1 of 15

Intro

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A Key Recovery Attack on MDPC with CCA Security Using Decoding Errors

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  1. 1 Intro
  2. 2 Outline
  3. 3 Motivation
  4. 4 QC-MDPC Codes
  5. 5 The QC-MDPC PKC Scheme
  6. 6 CCA-Secure Version
  7. 7 Iterative Decoding: Gallager's Bit-Flipping Strategy
  8. 8 Basic Scenario
  9. 9 Key-Related Property: Distance Spectrum (DS)
  10. 10 Main Observation
  11. 11 On Plain QC-MDPC (CPA)
  12. 12 Attack on CCA-Secure QC-MDPC
  13. 13 An Explanation for the Distinguishing Procedure
  14. 14 Results Obtaining DS in the CPA Case
  15. 15 Final Remarks

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