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9d745b6156
* updating DIRECTORY.md
* updating DIRECTORY.md
* Fixed accidental commit of file I have't touched
* fixup! Format Python code with psf/black push
* updating DIRECTORY.md
* updating DIRECTORY.md
* Fixed some suggested coding style issues
* Update rsa_key_generator.py
* Update rsa_key_generator.py
Co-authored-by: github-actions <${GITHUB_ACTOR}@users.noreply.github.com>
Co-authored-by: John Law <johnlaw.po@gmail.com>
31 lines
849 B
Python
31 lines
849 B
Python
import random
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class Onepad:
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def encrypt(self, text: str) -> ([str], [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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def decrypt(self, cipher: [str], key: [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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plain = "".join([i for i in plain])
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return 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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