Terminal device, a server device, a content recording control system, recording method and a recording permission control method

The recording to the recording medium device is permitted by the server device content, a terminal apparatus for recording on the recording medium device, the value which reflects the contents of the target content requesting permission for recording into the recording medium device generated, for permission of the recording of the target content to the server apparatus transmits the information indicating the value to the server apparatus, the target content the sent from the server device in case of permitting the recording receiving the signature data, the target content as received the signature data and the plaintext or encrypted data is recorded into the recording medium device.