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.
8 lines
193 B
CSV
8 lines
193 B
CSV
n_frames,ser_same_block,ser_next_block
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2,0.2777190625,0.998930625
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4,0.2615640625,0.998644375
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8,0.2594196875,0.998631875
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16,0.2582471875,0.99867
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32,0.2579625,0.99871875
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64,0.257455,0.9987190625
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