本文整理汇总了Python中shadowsocks.encrypt.encrypt_new_iv方法的典型用法代码示例。如果您正苦于以下问题：Python encrypt.encrypt_new_iv方法的具体用法？Python encrypt.encrypt_new_iv怎么用？Python encrypt.encrypt_new_iv使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类shadowsocks.encrypt的用法示例。
在下文中一共展示了encrypt.encrypt_new_iv方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _handle_client
# 需要导入模块: from shadowsocks import encrypt [as 别名]
# 或者: from shadowsocks.encrypt import encrypt_new_iv [as 别名]
def _handle_client(self, sock):
data, r_addr = sock.recvfrom(BUF_SIZE)
if not data:
logging.debug('UDP handle_client: data is empty')
return
if self._stat_callback:
self._stat_callback(self._listen_port, len(data))
if not self._is_local:
addrlen = len(r_addr[0])
if addrlen > 255:
# drop
return
data = pack_addr(r_addr[0]) + struct.pack('>H', r_addr[1]) + data
ref_iv = [encrypt.encrypt_new_iv(self._method)]
self._protocol.obfs.server_info.iv = ref_iv[0]
data = self._protocol.server_udp_pre_encrypt(data)
response = encrypt.encrypt_all_iv(self._protocol.obfs.server_info.key, self._method, 1,
data, ref_iv)
if not response:
return
else:
ref_iv = [0]
data = encrypt.encrypt_all_iv(self._protocol.obfs.server_info.key, self._method, 0,
data, ref_iv)
if not data:
return
self._protocol.obfs.server_info.recv_iv = ref_iv[0]
data = self._protocol.client_udp_post_decrypt(data)
header_result = parse_header(data)
if header_result is None:
return
#connecttype, dest_addr, dest_port, header_length = header_result
#logging.debug('UDP handle_client %s:%d to %s:%d' % (common.to_str(r_addr[0]), r_addr[1], dest_addr, dest_port))
response = b'\x00\x00\x00' + data
client_addr = self._client_fd_to_server_addr.get(sock.fileno())
if client_addr:
self.server_transfer_dl += len(response)
self.write_to_server_socket(response, client_addr[0])
key = client_key(client_addr[0], client_addr[1])
client = self._cache_dns_client.get(key, None)
if client:
logging.debug("remove dns client %s:%d" % (client_addr[0][0], client_addr[0][1]))
del self._cache_dns_client[key]
self._close_client(client)
else:
# this packet is from somewhere else we know
# simply drop that packet
pass