Information recorder, medium, booklet, authenticity judgment device, program and authenticity judgment method

摘要

PROBLEM TO BE SOLVED: To provide an information recorder, a medium, a booklet, an authenticity determination device, a program and an authenticity determination method having improved security. An information recording body 30 including a brilliant layer 31 and a transparent layer 32. The brilliant layer 31 and the transparent layer 32 are provided on one surface of a base material and are reflected depending on an observation angle. The bright layer 31 is a first image corresponding to the first code for identifying the information recording body 30, and the transparent layer 32 is configured to specify the information recording body 30 and is the first code. It is a second image corresponding to a second code different from the above, the first code is obtained by performing a conversion process on the first image according to the first rule, and the second code is The second image is obtained by performing a conversion process according to the second rule, and the bright layer 31 and the transparent layer 32 are formed by superimposing at least a part thereof. [Selection diagram] Fig. 1