Keyed masking for secure multi-user semantic communication

Reproducibility package for the TIFS submission: transmit and receive
core, security stages (eavesdropper, jamming, key families, attack
difficulty, known-plaintext), real BERT token streams, closed-form
verification, and the scripts that regenerate every figure and table
from the released CSVs.

data/feas_q1_eavesdrop.csv

@@ -0,0 +1,6 @@
+snr_db,legit,eve_wrong,eve_none,eve_avg,chance
+0,0.55692125,0.995261875,0.992021875,0.95962875,0.99609375
+5,0.26456,0.9946975,0.990336875,0.94351625,0.99609375
+10,0.099379375,0.994283125,0.989521875,0.93188,0.99609375
+15,0.0334,0.994011875,0.989031875,0.925765625,0.99609375
+20,0.010784375,0.9939975,0.988625625,0.922928125,0.99609375

data/feas_q2_keyentropy.csv

@@ -0,0 +1,6 @@
+L,d,legit_ser,eve_ser,mask_xcorr
+8,16,0.5546,0.9975366667,0.07264538854
+16,32,0.1181416667,0.99724,0.006702715065
+32,64,0.09873416667,0.9943241667,0.01185981557
+64,128,0.08845333333,0.9922383333,0.009370678104
+128,256,0.08771083333,0.9851966667,0.008488235064

data/feas_q3_jamming.csv

@@ -0,0 +1,8 @@
+jsr_db,ser_aligned,ser_random
+-10,0.1924166667,0.1780558333
+-5,0.2540891667,0.2948208333
+0,0.3063416667,0.4912158333
+5,0.3530991667,0.7022516667
+10,0.4284433333,0.8538791667
+15,0.5548433333,0.935385
+20,0.71272,0.9718341667

data/kpa.csv

@@ -0,0 +1,43 @@
+snr_db,n_frames,kappa,eve_ser
+0,1,0.2374871574,0.99874975
+0,2,0.6126027606,0.96312825
+0,3,0.7285515711,0.921628875
+0,4,0.8244251639,0.85221925
+0,5,0.868628718,0.797125
+0,6,0.8920436099,0.745713875
+0,8,0.9208301157,0.67688775
+0,10,0.9429872826,0.592138625
+0,12,0.9557282105,0.534421875
+0,16,0.9700051412,0.44833975
+0,24,0.9802580416,0.38197025
+0,32,0.9852379695,0.351050875
+0,48,0.9904022858,0.32166525
+0,64,0.993118532,0.307348
+10,1,0.3489475794,0.989224875
+10,2,0.8794977516,0.704872
+10,3,0.9473693997,0.547376875
+10,4,0.9682661489,0.455776875
+10,5,0.9782963678,0.3962285
+10,6,0.9843041778,0.359232
+10,8,0.9900029436,0.326613375
+10,10,0.9934537426,0.306601375
+10,12,0.9949941516,0.2992645
+10,16,0.9965374678,0.291205125
+10,24,0.9978871465,0.285018125
+10,32,0.9984912023,0.28255425
+10,48,0.9990138412,0.280105125
+10,64,0.9992718786,0.279036875
+20,1,0.596763967,0.861350125
+20,2,0.984469898,0.34732075
+20,3,0.9948319912,0.300176375
+20,4,0.9975389287,0.286598125
+20,5,0.9984581739,0.282405125
+20,6,0.9988854468,0.2803655
+20,8,0.9992000297,0.279362875
+20,10,0.9994319767,0.278179625
+20,12,0.9995499209,0.277694875
+20,16,0.9996712342,0.277181875
+20,24,0.9997934118,0.276410875
+20,32,0.999845539,0.2763615
+20,48,0.9999018267,0.276363875
+20,64,0.9999270439,0.276194125

data/real_sec_stats.json

@@ -0,0 +1,31 @@
+{
+ "vocab_size": 30522,
+ "n_texts": 2000,
+ "frames": 24998,
+ "repeats": 8,
+ "decisions_per_point": 799936,
+ "distinct_tokens": 10486,
+ "max_token_id": 29599,
+ "headlines_scored": 1948,
+ "headline_runs": 4,
+ "recovery": {
+  "20": {
+   "legit": 0.1985369609856263,
+   "eve": 0.0,
+   "insider": 0.0,
+   "oma": 0.19815195071868583
+  },
+  "24": {
+   "legit": 0.5103952772073922,
+   "eve": 0.0,
+   "insider": 0.0,
+   "oma": 0.5160420944558521
+  },
+  "28": {
+   "legit": 0.7630903490759754,
+   "eve": 0.0,
+   "insider": 0.0,
+   "oma": 0.7583418891170431
+  }
+ }
+}

data/real_sec_ter.csv

@@ -0,0 +1,9 @@
+snr_db,ter_legit,ter_eve,ter_insider,ter_oma
+0,0.8937765021,0.9999699976,0.999212437,0.8927576706
+4,0.6685672354,0.9999337447,0.9977085667,0.6680284423
+8,0.3903512281,0.9999224938,0.9958434175,0.3898399372
+12,0.1875025002,0.9999362449,0.9946258201,0.1874349948
+16,0.08110023802,0.9999349948,0.9938970118,0.08109648772
+20,0.03404147332,0.9999337447,0.9936357409,0.03380395432
+24,0.01362108969,0.9999274942,0.9934882291,0.01364484159
+28,0.005464187135,0.9999312445,0.993449476,0.005405432435

data/sec_brute.csv

@@ -0,0 +1,29 @@
+L,K,best_rho,eve_ser
+8,1,0.2918601623,0.9961626487
+8,10,0.6307837307,0.9703819549
+8,100,0.8190062809,0.8850038404
+8,1000,0.9077793813,0.7200369393
+8,10000,0.9535904264,0.5318095675
+8,100000,0.9757162716,0.4169265965
+8,1000000,0.9872786315,0.339091505
+16,1,0.2228791779,0.9991641146
+16,10,0.4570522499,0.9957471368
+16,100,0.6321070191,0.9833336645
+16,1000,0.7417848118,0.9546712761
+16,10000,0.8164950053,0.9000406219
+16,100000,0.8673534005,0.8378011935
+16,1000000,0.9048131336,0.7494679145
+32,1,0.1399813941,0.9997996279
+32,10,0.3205750013,0.9991500426
+32,100,0.4660256564,0.9971309056
+32,1000,0.5620279439,0.9934165308
+32,10000,0.6393936736,0.9852959659
+32,100000,0.6993164916,0.9746142481
+32,1000000,0.7479539255,0.9565757219
+64,1,0.0987436915,0.9998965347
+64,10,0.2263401688,0.9996584104
+64,100,0.3389944824,0.9991447783
+64,1000,0.4155608514,0.9984268536
+64,10000,0.4757575011,0.9974241507
+64,100000,0.5299797378,0.9957096073
+64,1000000,0.5741312045,0.9933056882

data/sec_compare.csv

@@ -0,0 +1,6 @@
+scheme,legit_ser,eve_out,eve_in,jam0_ser
+proposed,0.303585,0.99983,0.99998,0.80612
+public_mask,0.303585,0.303585,0.303585,0.95359
+perm_key,0.303435,0.9999775,0.303435,0.8065225
+index_cipher,0.303585,0.9999847412,0.9999847412,0.95359
+oma_plain,0.2747696909,0.2747696909,0.2747696909,nan

data/sec_jam.csv

@@ -0,0 +1,8 @@
+jsr_db,blind,matched,nojam
+-10,0.468186,0.720358,0.302716
+-5,0.633112,0.874476,0.302716
+0,0.806548,0.9534,0.302716
+5,0.918778,0.984432,0.302716
+10,0.970874,0.994914,0.302716
+15,0.989928,0.9984,0.302716
+20,0.996858,0.999468,0.302716

data/sec_keylen.csv

@@ -0,0 +1,10 @@
+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
+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

data/sec_maskfam.csv

@@ -0,0 +1,5 @@
+family,legit_ser,eve_ser,mask_xcorr
+random,0.64962,0.998488,0.2709003091
+hadamard,0.2568,0.9995605,0
+learned,0.2762895,0.9999285,0.007116591092
+learned_reg,0.315952,0.9999555,0.01121100038

data/sec_regjam.csv

@@ -0,0 +1,8 @@
+jsr_db,plain,regularized
+-10,0.46879,0.4691633333
+-5,0.6335366667,0.6307333333
+0,0.8056466667,0.8018166667
+5,0.9187366667,0.91602
+10,0.9708533333,0.9693866667
+15,0.9902133333,0.9896433333
+20,0.9967333333,0.9965933333

data/sec_sens.csv

@@ -0,0 +1,23 @@
+rho,eve_ser
+0,0.99997875
+0.1,0.999955
+0.2,0.99976375
+0.3,0.99947625
+0.4,0.99873
+0.5,0.99717375
+0.6,0.992395
+0.65,0.983195
+0.7,0.9776825
+0.75,0.9594925
+0.8,0.91810625
+0.84,0.88158125
+0.88,0.8247575
+0.9,0.792455
+0.92,0.67340125
+0.94,0.602535
+0.96,0.50181875
+0.97,0.47287375
+0.98,0.37558375
+0.99,0.32493625
+0.995,0.30185625
+1,0.27494375

data/sec_snr.csv

@@ -0,0 +1,7 @@
+snr_db,legit,eve_wrong,eve_none,eve_public,oma,chance
+0,0.8944596875,0.9999515625,0.999990625,0.8943865625,0.8933480658,0.9999847412
+4,0.66980875,0.9999575,0.99998625,0.670624375,0.6686275787,0.9999847412
+8,0.39054875,0.9999425,0.9999865625,0.3902384375,0.3892153151,0.9999847412
+12,0.1880821875,0.9999284375,0.9999890625,0.1877565625,0.1870712987,0.9999847412
+16,0.0811665625,0.9999203125,0.9999875,0.081488125,0.08092517452,0.9999847412
+20,0.033519375,0.999921875,0.999988125,0.0334946875,0.03334949917,0.9999847412