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Adding hint where the stream cipher coefficients come from

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Patrick Müller 2021-10-27 21:50:59 +02:00
parent 087a01cd3d
commit 4c8af9e189
1 changed files with 2 additions and 0 deletions
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chapter_three/Stromchiffre.py
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@ -46,6 +46,8 @@ def decrypt_text(cipher_bits: str, coefficients: [int], key: [int]) -> str:
def get_optimal_shift_register_coefficients(size: int) -> [int]: def get_optimal_shift_register_coefficients(size: int) -> [int]:
""" """
Returns a set of coefficients for a linear shift register with the given size that guarantees a maximum bit stream. Returns a set of coefficients for a linear shift register with the given size that guarantees a maximum bit stream.
The coefficients are taken from the following page: https://www.eng.auburn.edu/~strouce/class/elec6250/LFSRs.pdf
:param size: The size of the linear shift register :param size: The size of the linear shift register
:return: The optimal coefficients :return: The optimal coefficients
""" """