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a652905b60
* ci(pre-commit): Add ``flake8-comprehensions`` to ``pre-commit`` (#7233) * refactor: Fix ``flake8-comprehensions`` errors * fix: Replace `map` with generator (#7233) * fix: Cast `range` objects to `list`
32 lines
859 B
Python
32 lines
859 B
Python
import random
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class Onepad:
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@staticmethod
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def encrypt(text: str) -> tuple[list[int], list[int]]:
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"""Function to encrypt text using pseudo-random numbers"""
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plain = [ord(i) for i in text]
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key = []
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cipher = []
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for i in plain:
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k = random.randint(1, 300)
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c = (i + k) * k
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cipher.append(c)
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key.append(k)
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return cipher, key
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@staticmethod
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def decrypt(cipher: list[int], key: list[int]) -> str:
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"""Function to decrypt text using pseudo-random numbers."""
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plain = []
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for i in range(len(key)):
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p = int((cipher[i] - (key[i]) ** 2) / key[i])
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plain.append(chr(p))
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return "".join(plain)
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if __name__ == "__main__":
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c, k = Onepad().encrypt("Hello")
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print(c, k)
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print(Onepad().decrypt(c, k))
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