Moving-image file generation device, imaging device, verification device, and control method of moving-image file generation device

A control method of a moving-image file generation device, the control method comprising:

• allowing a user to designate, for moving-image data including a plurality of chunks, an authenticity assurance range representing a range of a moving-image for which authenticity is assured,
• acquiring, for each chunk, verification data used to verify tampering with data of the chunk, and
• generating a moving-image file in which at least information indicating the authenticity assurance range designated for the moving-image data, the verification data for each chunk, and the moving-image data are stored.

A non-transitory computer readable medium that stores a program, wherein the program causes a computer to execute a control method of a moving-image file generation device, the control method comprising:

• allowing a user to designate, for moving-image data including a plurality of chunks, an authenticity assurance range representing a range of a moving-image for which authenticity is assured,
• acquiring, for each chunk, verification data used to verify tampering with data of the chunk, and
• generating a moving-image file in which at least information indicating the authenticity assurance range designated for the moving-image data, the verification data for each chunk, and the moving-image data are stored.