def __init__(self, reader, writer, secure, iv= None):
"""
"""
self._writer = writer
self._reader = reader
self.secure = secure
self.iv = iv
if self.iv is None:
self.iv = Random.new().read(block_size)
if self.secure and IS_SECURE:
self.mixer = Mixer(self.iv)
self.read = self.decrypt_wrapper(self.read)
self.write = self.encrypt_warpper(self.write)
def _get_cipher(key):
hkey = SHA256.new(key).digest()
cipher = AES.new(hkey, AES.MODE_CFB, Random.new().read(16))
return cipher
def encrypt_with_key(msg, key):
cmsg = _get_cipher(key).encrypt(Random.new().read(16) + msg)
return cmsg
