Swizzzer
/ is_linear_sbox.py
Last active
June 30, 2025 17:51
Simple script to determine if an S-Box is linear
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| from sage.crypto.boolean_function import BooleanFunction | |
| def is_linear_sbox(sbox: list[int]) -> bool: | |
| input_size = (len(sbox) - 1).bit_length() | |
| output_size = max(sbox).bit_length() | |
| print(f"[*] Input bits: {input_size}, Output bits: {output_size}") | |
| is_linear = True |