Signal processing device and signal processing method

A signal processing device, comprising:

• a control unit configured to receive a format from an imaging device, wherein the imaging device includes:
• a plurality of pixels that generates a signal of an image data;
• an encryption processing unit that outputs encrypted data based on a portion of the image data;
• and
• an image output unit that outputs one frame of the image data and the encrypted data in the format, wherein
• the format includes:
• a frame start region,
• a packet header region,
• a first region for the one frame of the image data,
• a second region for the encrypted data,
• a packet footer region, and
• a frame end region,
• the first region is between the packet header region and the packet footer region, and
• the second region is between the packet header region and the packet footer region.