Information processing method, falsification verification method and device, storage medium, and program

摘要

Secret data is acquired externally by making an arithmetic operation between unique information of an apparatus (11) and first information managed secretly, and secretly held as key data in a key holding part (21). A MAC generation part (28) generates authentication data based on a hash value obtained from data to be protected and the key data held in the key holding part (21). An image file generation part (91) generates an image file to provide the unique information and the authentication data together with the data to be protected.