decrypt.py

import subprocess


def to_hex(byte_string):
    return " ".join("{:02x}".format(b) for b in byte_string)


def to_bin(byte_string):
    return " ".join("{:08b}".format(b) for b in byte_string)


def test(input_string, bin_output=False):
    fmt = to_bin if bin_output else to_hex
    if isinstance(input_string, list):
        input_string = bytes(input_string)
    out = subprocess.check_output(("./orakel", input_string))[:-1]
    print("[{}] (len={}) -> [{}] (len={})".format(
        fmt(input_string),
        len(input_string),
        fmt(out),
        len(out)))

#################################################################
# Write tests below:
#################################################################


if __name__ == '__main__':

    # string as input
    test(b"abc")

    # integer ascii codes as input
    test([97, 98, 99])
    # ...or as hex
    test([0x61, 0x62, 0x63])
    # ...or as binary
    test([0b01100001, 0b01100010, 0b01100011])

    # display as binary instead of hex
    test(b"abc", bin_output=True)