simplepasswordencrypt

#!/usr/bin/env python
import argparse
import base64


def encode(key, string):
    encoded_chars = []
    for i in xrange(len(string)):
        key_c = key[i % len(key)]
        encoded_c = chr(ord(string[i]) + ord(key_c) % 256)
        encoded_chars.append(encoded_c)
    encoded_string = "".join(encoded_chars)
    return base64.urlsafe_b64encode(encoded_string)

def decode(key, encrypted_pass):
    dec = []
    enc = base64.urlsafe_b64decode(encrypted_pass)
    for i in range(len(enc)):
        key_c = key[i % len(key)]
        dec_c = chr((256 + ord(enc[i]) - ord(key_c)) % 256)
        dec.append(dec_c)
    return "".join(dec)


if __name__ == "__main__":
    DEFAULT_PASS = "PASS"
    parser = argparse.ArgumentParser()
    parser.add_argument("--passcode", "-c", dest="passcode", default=DEFAULT_PASS,
                        help="Encrypt Passcode, default is PASS")
    parser.add_argument("--password", "-p", dest="password", required=True,
                        help="Password to encrypt")
    parser.add_argument("--decrypted", "-d", dest="is_decrypt", default=False,
                        action="store_true", help="Decrypt action")

    args = parser.parse_args()

    if args.is_decrypt:
        print("%s decrypted is: %s" % (
            args.password, decode(args.passcode, args.password)
        ))
    else:
        print("%s encrypted is: %s" % (
            args.password, encode(args.passcode, args.password)
        ))