import sys
import pub
import os
sys.path.insert(0, os.path.abspath(os.path.join(os.getcwd(), os.pardir)))
import arith
import helpers
def encrypt_nums(nums):
return [arith.powm(byte, pub.exponent, pub.modulus) for byte in nums]
def encrypt_text(text):
nums = helpers.text_to_nums(text, 127)
return encrypt_nums(nums)
if __name__ == "__main__":
# string to encrypt
plaintext = sys.argv[1]
# turn into numbers
plain_nums = helpers.text_to_nums(plaintext)
# encrypt
cypher = [arith.powm(byte, pub.exponent, pub.modulus) for byte in plain_nums]
print encrypt_text(plaintext)
def encrypt_nums(nums):
return [arith.powm(byte, pub.exponent, pub.modulus) for byte in nums]
def decrypt_nums(nums):
return [arith.powm(block,priv.inverse,priv.modulus) for block in nums]