[HN Gopher] Notes on a claim that a mceliece348864 distinguisher...
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Notes on a claim that a mceliece348864 distinguisher uses only
2^529 operations [pdf]
Author : nabla9
Score : 7 points
Date : 2025-04-17 11:52 UTC (2 days ago)
(HTM) web link (classic.mceliece.org)
(TXT) w3m dump (classic.mceliece.org)
| nabla9 wrote:
| >- The costs claimed in [16] are 2529 for the smallest proposed
| Classic McEliece param- eters. This is much more expensive than a
| brute-force search through 256-bit seeds, and much more expensive
| than ISD.
|
| >- The costs are for an algorithm that is merely distinguishing
| public keys from random, not attacking OW-CPA. The
| indistinguishability assumption targeted in [16] is not used in
| the Classic McEliece security analysis; it is even explicitly
| disclaimed by the Classic McEliece security analysis.
|
| > [16] incorrectly suggests that it (1) attacks a problem that
| Classic McEliece relies upon and (2) is faster than the best
| previous attacks against Classic McEliece. We promptly responded
| when [16] appeared, but no errata were issued. Some third parties
| are now citing [16] as supposedly significant attack progress.
|
| [16] Hugues Randriambololona. The syzygy distinguisher, 2024.
| URL: https://eprint. iacr.org/archive/2024/1193/1722424045.p
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(page generated 2025-04-19 23:01 UTC)