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rectangle.py
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rectangle.py
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import DifferentialAnalyzer as DifferentialAnalyzer
from utils import pretty_print_ddt
def main():
sbox = {
0: 0x6,
1: 0x5,
2: 0xC,
3: 0xA,
4: 0x1,
5: 0xE,
6: 0x7,
7: 0x9,
8: 0xB,
9: 0x0,
0xA: 0x3,
0xB: 0xD,
0xC: 0x8,
0xD: 0xF,
0xE: 0x4,
0xF: 0x2,
}
# sbox_nou = {
# 0: 0x6,
# 1: 0XB,
# 2: 0x1,
# 3: 0x8,
# 4: 0xC,
# 5: 0x3,
# 6: 0x7,
# 7: 0x4,
# 8: 0x5,
# 9: 0x0,
# 0xA: 0xE,
# 0xB: 0XF,
# 0xC: 0xA,
# 0xD: 0XD,
# 0xE: 0X9,
# 0xF: 0x2,
# }
# sbox_list = [sbox_nou[key] for key in range(len(sbox_nou))]
sbox_list = [sbox[key] for key in range(len(sbox))]
# pbox = [0, 61, 18, 15, 4, 1, 22, 19, 8, 5, 26, 23, 12, 9, 30, 27, 16, 13, 34, 31, 20, 17, 38, 35, 24, 21, 42, 39, 28, 25, 46,
# 43, 32, 29, 50, 47, 36, 33, 54, 51, 40, 37, 58, 55, 44, 41, 62, 59, 48, 45, 2, 63, 52, 49, 6, 3, 56, 53, 10, 7, 60, 57, 14, 11]
pbox = [12, 17, 62, 3, 16, 21, 2, 7, 20, 25, 6, 11, 24, 29, 10, 15, 28, 33, 14, 19, 32, 37, 18, 23, 36, 41, 22, 27, 40, 45, 26,
31, 44, 49, 30, 35, 48, 53, 34, 39, 52, 57, 38, 43, 56, 61, 42, 47, 60, 1, 46, 51, 0, 5, 50, 55, 4, 9, 54, 59, 8, 13, 58, 63]
num_rounds = 4 # rectangle is defined on 25 rounds
solver = DifferentialAnalyzer.DifferentialAnalyzer(
sbox_list, pbox, num_rounds, "rectangle_nou/articol.txt")
# pretty_print_ddt(solver.ddt)
# optimal_characteristic = solver.find_optimal_characteristic(
# min_blocks=2, max_blocks=3, prune_level=2, repeat=1, excluded_inputs_from_pruning=[8], print_paths=True)
# print(f"Optimal characteristic {optimal_characteristic}")
# optimal_characteristic_iterative = solver.find_optimal_characteristic_iterative(
# min_blocks=2, max_blocks=4, prune_level=1, repeat=1, print_paths=True)
# print(optimal_characteristic_iterative)
# delta_in = int('0000000000000000001100100000000000000000000000000000000000000000', 2)
# print(delta_in)
# solver.find_optimal_characteristic_with_fixed_delta_in(delta_in=delta_in, min_blocks=1, max_blocks=4, prune_level=1, repeat=1,print_paths=True)
# solver.find_optimal_characteristic_with_fixed_delta_out(delta_out=delta_in, min_blocks=1, max_blocks=6, prune_level=1, repeat=1, print_paths=True)
delta_in = int("0000000000000000000000010000000100000000000000000000000000000000", 2)
delta_out = int("0000000000000000000000010000000100000000000000000000000000000000", 2)
diff = solver.find_best_differential(delta_in=delta_in, delta_out=delta_out, repeat=3, print_paths=True)
print(diff)
if __name__ == "__main__":
main()