sam.hadow/tea3-py
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fix reorder bits

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Sam Hadow
2026-05-11 12:16:28 +02:00
parent f9608c1dbc
commit 2290288e3b
1 changed files with 24 additions and 2 deletions
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src/tea3/lut.py
+24 -2
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@@ -63,11 +63,33 @@ def F32_7(x0, x1, y0, y1):
return (x0 & x1 & y1) ^ (x0 & y0 & y1) ^ (x0 & y0) ^ (x1 & y0 & y1) ^ x1 ^ y0 ^ y1 ^ 1 return (x0 & x1 & y1) ^ (x0 & y0 & y1) ^ (x0 & y0) ^ (x1 & y0 & y1) ^ x1 ^ y0 ^ y1 ^ 1
def main(): def main():
F31_orders = [
(0, 1, 2, 3),
(0, 1, 2, 3),
(3, 0, 1, 2),
(0, 1, 2, 3),
(0, 1, 2, 3),
(0, 1, 2, 3),
(0, 1, 2, 3),
(0, 1, 2, 3),
]
F32_orders = [
(0, 1, 2, 3),
(0, 1, 2, 3),
(3, 0, 1, 2),
(0, 1, 2, 3),
(0, 1, 2, 3),
(0, 1, 2, 3),
(0, 1, 2, 3),
(0, 1, 2, 3),
]
F31_coords = [F31_0, F31_1, F31_2, F31_3, F31_4, F31_5, F31_6, F31_7] F31_coords = [F31_0, F31_1, F31_2, F31_3, F31_4, F31_5, F31_6, F31_7]
F32_coords = [F32_0, F32_1, F32_2, F32_3, F32_4, F32_5, F32_6, F32_7] F32_coords = [F32_0, F32_1, F32_2, F32_3, F32_4, F32_5, F32_6, F32_7]
lut_B = [pack_lut_4(f) for f in F31_coords] lut_B = [pack_lut_4(f, o) for f, o in zip(F31_coords, F31_orders)]
lut_A = [pack_lut_4(f) for f in F32_coords] lut_A = [pack_lut_4(f, o) for f, o in zip(F32_coords, F32_orders)]
print("TEA3_LUT_A = [", end="") print("TEA3_LUT_A = [", end="")
for x in lut_A: for x in lut_A: