def unwrap_header(self, header_data):
self.__iv = header_data[self.__iv_begin_pos:self.__iv_end_pos]
data = aes_cfb.decrypt(self.__key, self.__iv, header_data[self.__iv_end_pos:FIXED_HEADER_SIZE])
real_hdr = data[0:tunnel.MIN_FIXED_HEADER_SIZE]
# 丢弃误码的包
if self.__const_fill != data[tunnel.MIN_FIXED_HEADER_SIZE:]: return None
return real_hdr
def unwrap_header(self, header_data):
self.__iv = header_data[self.__iv_begin_pos:self.__iv_end_pos]
data = aes_cfb.decrypt(self.__key, self.__iv, header_data[self.__iv_end_pos:FIXED_HEADER_SIZE])
real_hdr = data[0:tunnel.MIN_FIXED_HEADER_SIZE]
# 丢弃误码的包
if self.__const_fill != data[tunnel.MIN_FIXED_HEADER_SIZE:]: raise proto_utils.ProtoError("data wrong")
return real_hdr
def unwrap_header(self, header_data):
self.__iv = header_data[self.__iv_begin_pos:self.__iv_end_pos]
data = aes_cfb.decrypt(self.__key, self.__iv, header_data[self.__iv_end_pos:FIXED_HEADER_SIZE])
real_hdr = data[0:tunnel.MIN_FIXED_HEADER_SIZE]
# 丢弃误码的包
if self.__const_fill != data[tunnel.MIN_FIXED_HEADER_SIZE:]: return None
return real_hdr
def unwrap_header(self, header_data):
self.__iv = header_data[self.__iv_begin_pos:self.__iv_end_pos]
data = aes_cfb.decrypt(
self.__key, self.__iv,
header_data[self.__iv_end_pos:FIXED_HEADER_SIZE])
real_hdr = data[0:tunnel.MIN_FIXED_HEADER_SIZE]
# 丢弃误码的包
if self.__const_fill != data[tunnel.MIN_FIXED_HEADER_SIZE:]:
raise proto_utils.ProtoError("data wrong")
return real_hdr
def unwrap_body(self, length, body_data):
d = aes_cfb.decrypt(self.__key, self.__iv, body_data)
return d[0:length]
def unwrap_body(self, length, body_data):
d = aes_cfb.decrypt(self.__key, self.__iv, body_data)
return d[0:length]