Information processing apparatus

An information processing apparatus comprising:

• an encryption processing core having a capability of decoding encoded stream data including audio data and video data input to the encryption processing core and a capability of detecting tampering on encryption information, the encryption processing core being configured to, if tampering is detected, add a tamper flag to the tampered data;
• a demultiplexer configured to demultiplex the stream data supplied from the encryption processing core into the video data and the audio data, and, if the data includes the tamper flag added thereto, output the data after adding information indicating the fact of being subjected to tampering to the data;
• and
• a display processing core configured to receive the data output from the demultiplexer and display the data such that when the data does not include the tamper information added thereto, the data is displayed in a normal manner, but when the data includes the tamper information added thereto, the data is scrambled or displaying of the data is stopped.