KiHoLee
057c555374
Derives each block key from the transformations that leave the decision statistic invariant: a global sign per frame entry, a relabeling of the frame entries applied to keys and codebook together, and a permutation of which user holds which row. The legitimate error rate is unchanged at 0.257 across 24 blocks while a refresh that installs fresh orthogonal keys reaches 0.710, and a key recovered by known plaintext returns to the random-guess level one block later.
26 lines
937 B
CSV
26 lines
937 B
CSV
block,legit_invariant,legit_naive,eve_ser
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0,0.2575,0.982775,0.9998575
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1,0.256835,0.7427116667,0.9998133333
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2,0.2566516667,0.8483041667,0.9999883333
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3,0.2572983333,0.778605,0.9996666667
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4,0.2569683333,0.6199566667,0.9979908333
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5,0.2571308333,0.6580941667,0.9997825
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6,0.2572883333,0.7788558333,0.9997916667
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7,0.2577975,0.6935075,0.9999575
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8,0.2573458333,0.8400325,0.99839
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9,0.25766,0.6547933333,0.9999866667
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10,0.2565575,0.4783583333,0.9995791667
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11,0.2578183333,0.65481,0.99993
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12,0.2573583333,0.8477883333,0.9997283333
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13,0.2571408333,0.6548475,0.9999741667
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14,0.2571491667,0.6579591667,0.9999975
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15,0.2574591667,0.4778091667,0.9994458333
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16,0.2568716667,0.76187,0.9999083333
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17,0.2572141667,0.8045925,0.9994866667
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18,0.2573291667,0.8065691667,0.9997483333
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19,0.2571316667,0.6892025,0.9992841667
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20,0.2576716667,0.5278108333,0.9980375
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21,0.25724,0.742345,0.9999641667
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22,0.2570333333,0.6545633333,0.9997633333
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23,0.25745,0.68938,0.99989
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