import base64


# this function takes a string representing hex, converts to bytes, and re-encodes to base64
def hex_to_base64(hex_string):
    byte_array = bytearray.fromhex(hex_string)
    base64_value = base64.b64encode(byte_array)
    return base64_value

# this function takes two hex strings, converts them to bytes, and xor's them
def byte_xor(bs1, bs2):
    byte_array1 = int(bs1,16)
    byte_array2 = int(bs2,16)
    return byte_array1 ^ byte_array2