def send(self, message):
"""
Send a message
:param message: a message instance
:type message: :class:`steam.core.msg.Msg`, :class:`steam.core.msg.MsgProto`
"""
if not isinstance(message, (Msg, MsgProto)):
raise ValueError("Expected Msg or MsgProto, got %s" % message)
if self.steam_id:
message.steamID = self.steam_id
if self.session_id:
message.sessionID = self.session_id
if self.verbose_debug:
self._LOG.debug("Outgoing: %s\n%s" % (repr(message), str(message)))
else:
self._LOG.debug("Outgoing: %s", repr(message))
data = message.serialize()
if self.channel_key:
if self.channel_hmac:
data = crypto.symmetric_encrypt_HMAC(data, self.channel_key,
self.channel_hmac)
else:
data = crypto.symmetric_encrypt(data, self.channel_key)
self.connection.put_message(data)
def send(self, message):
"""
Send a message
:param message: a message instance
:type message: :class:`steam.core.msg.Msg`, :class:`steam.core.msg.MsgProto`
"""
if not isinstance(message, (Msg, MsgProto)):
raise ValueError("Expected Msg or MsgProto, got %s" % message)
if self.steam_id:
message.steamID = self.steam_id
if self.session_id:
message.sessionID = self.session_id
if self.verbose_debug:
self._LOG.debug("Outgoing: %s\n%s" % (repr(message), str(message)))
else:
self._LOG.debug("Outgoing: %s", repr(message))
data = message.serialize()
if self.channel_key:
if self.channel_hmac:
data = crypto.symmetric_encrypt_HMAC(data, self.channel_key, self.channel_hmac)
else:
data = crypto.symmetric_encrypt(data, self.channel_key)
self.connection.put_message(data)
def test_encryption_hmac(self):
message = b'My secret message'
key = b'9' * 32
hmac = b'3' * 16
cyphertext = crypto.symmetric_encrypt_HMAC(message, key, hmac)
dmessage = crypto.symmetric_decrypt_HMAC(cyphertext, key, hmac)
self.assertEqual(message, dmessage)
# failing HMAC check
with self.assertRaises(RuntimeError):
crypto.symmetric_decrypt_HMAC(cyphertext, key, b'4'*16)
def test_encryption_hmac(self):
message = b'My secret message'
key = b'9' * 32
hmac = b'3' * 16
cyphertext = crypto.symmetric_encrypt_HMAC(message, key, hmac)
dmessage = crypto.symmetric_decrypt_HMAC(cyphertext, key, hmac)
self.assertEqual(message, dmessage)
# failing HMAC check
with self.assertRaises(RuntimeError):
crypto.symmetric_decrypt_HMAC(cyphertext, key, b'4' * 16)
