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