Esempio n. 1
0
    def __init__(self, remote: NodeAPI, private_key: datatypes.PrivateKey,
                 reader: asyncio.StreamReader, writer: asyncio.StreamWriter,
                 aes_secret: bytes, mac_secret: bytes,
                 egress_mac: sha3.keccak_256,
                 ingress_mac: sha3.keccak_256) -> None:
        self.remote = remote
        self.session = Session(self.remote)

        self._private_key = private_key

        # Encryption and Cryptography *stuff*
        self._egress_mac = egress_mac
        self._ingress_mac = ingress_mac

        self._reader = reader
        self._writer = writer

        # FIXME: Insecure Encryption: https://github.com/ethereum/devp2p/issues/32
        iv = b"\x00" * 16
        aes_secret = aes_secret
        mac_secret = mac_secret

        aes_cipher = Cipher(algorithms.AES(aes_secret), modes.CTR(iv),
                            default_backend())
        self._aes_enc = aes_cipher.encryptor()
        self._aes_dec = aes_cipher.decryptor()

        mac_cipher = Cipher(algorithms.AES(mac_secret), modes.ECB(),
                            default_backend())
        self._mac_enc = mac_cipher.encryptor().update
 def __init__(self, remote: NodeAPI, private_key: datatypes.PrivateKey,
              reader: asyncio.StreamReader,
              writer: asyncio.StreamWriter) -> None:
     self.remote = remote
     self.session = Session(remote)
     self._private_key = private_key
     self._reader = reader
     self._writer = writer
Esempio n. 3
0
 def __init__(self, remote: NodeAPI, private_key: datatypes.PrivateKey,
              reader: asyncio.StreamReader,
              writer: asyncio.StreamWriter) -> None:
     self.logger = get_logger('p2p.tools.memory_transport.MemoryTransport')
     self.remote = remote
     self.session = Session(remote)
     self._private_key = private_key
     self._reader = reader
     self._writer = writer