Python/ciphers/onepad_cipher.py
2019-10-05 10:14:13 +05:00

31 lines
803 B
Python

import random
class Onepad:
def encrypt(self, text):
"""Function to encrypt text using psedo-random numbers"""
plain = [ord(i) for i in text]
key = []
cipher = []
for i in plain:
k = random.randint(1, 300)
c = (i + k) * k
cipher.append(c)
key.append(k)
return cipher, key
def decrypt(self, cipher, key):
"""Function to decrypt text using psedo-random numbers."""
plain = []
for i in range(len(key)):
p = int((cipher[i] - (key[i]) ** 2) / key[i])
plain.append(chr(p))
plain = "".join([i for i in plain])
return plain
if __name__ == "__main__":
c, k = Onepad().encrypt("Hello")
print(c, k)
print(Onepad().decrypt(c, k))