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Audit round: fair OMA reference, dense grids, covariance-attack checks

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Resource-match the OMA reference in the key-length sweep (oma_ser_keylen),
which gives it the L/16 combining gain the longer frame allows. The
proposal now passes a resource-matched OMA by 1.27x at L=64 rather than
the 4.3x reported against a fixed-d reference.

Densify the JSR, sensitivity, and brute-force grids so the curves are
smooth, give the index cipher its channel floor instead of error-free
reception, and add the permutation-key known-plaintext attack
(exp_permkpa) so Fig. 7 carries a conventional linear scheme.

Add check_cov_attack.py and check_cov_ceiling.py: a referee raised a
ciphertext-only second-order attack; the exact-population test shows the
received covariance leaks only a sparse rank-deficient subset of the key
Gram and leaves the eavesdropper at the random-guess level.

Dump verify_math.csv, move the superseded V=256 pilot CSVs to data/pilot.
This commit is contained in:
KiHoLee
2026-08-16 23:48:39 +09:00
parent fbbad154b2
commit 3529ab1918
28 changed files with 755 additions and 123 deletions
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data/sec_keylen.csv
+11 -8
View File
@@ -1,10 +1,13 @@
L,d,legit_ser,eve_ser,mask_xcorr,oma
4,16,0.9997925,0.999963,0.01188752614,0.2747696909
6,24,0.9921175,0.9996935,0.09415384382,0.2747696909
8,32,0.9297855,0.999972,0.007307400461,0.2747696909
12,48,0.416604,0.999781,0.005153660662,0.2747696909
4,16,0.9997925,0.999963,0.01188752614,0.961963405
6,24,0.9921175,0.9996935,0.09415384382,nan
8,32,0.9297855,0.999972,0.007307400461,0.4769767714
10,40,0.6965535,0.9999585,0.006223429926,nan
12,48,0.416604,0.999781,0.005153660662,nan
14,56,0.3323575,0.999695,0.005685989745,nan
16,64,0.2762895,0.9999285,0.007116591092,0.2747696909
24,96,0.1829615,0.999975,0.002973971656,0.2747696909
32,128,0.131901,0.9998895,0.005575809628,0.2747696909
48,192,0.090206,0.999845,0.005743456539,0.2747696909
64,256,0.0635265,0.9997915,0.006678360514,0.2747696909
20,80,0.2076175,0.9996245,0.003162040841,0.2289444229
24,96,0.1829615,0.999975,0.002973971656,0.1961714033
32,128,0.131901,0.9998895,0.005575809628,0.1524639978
48,192,0.090206,0.999845,0.005743456539,0.1054308944
64,256,0.0635265,0.9997915,0.006678360514,0.08056383667
1 L d legit_ser eve_ser mask_xcorr oma
2 4 16 0.9997925 0.999963 0.01188752614 0.2747696909 0.961963405
3 6 24 0.9921175 0.9996935 0.09415384382 0.2747696909 nan
4 8 32 0.9297855 0.999972 0.007307400461 0.2747696909 0.4769767714
5 12 10 48 40 0.416604 0.6965535 0.999781 0.9999585 0.005153660662 0.006223429926 0.2747696909 nan
6 12 48 0.416604 0.999781 0.005153660662 nan
7 14 56 0.3323575 0.999695 0.005685989745 nan
8 16 64 0.2762895 0.9999285 0.007116591092 0.2747696909
9 24 20 96 80 0.1829615 0.2076175 0.999975 0.9996245 0.002973971656 0.003162040841 0.2747696909 0.2289444229
10 32 24 128 96 0.131901 0.1829615 0.9998895 0.999975 0.005575809628 0.002973971656 0.2747696909 0.1961714033
11 48 32 192 128 0.090206 0.131901 0.999845 0.9998895 0.005743456539 0.005575809628 0.2747696909 0.1524639978
12 64 48 256 192 0.0635265 0.090206 0.9997915 0.999845 0.006678360514 0.005743456539 0.2747696909 0.1054308944
13 64 256 0.0635265 0.9997915 0.006678360514 0.08056383667