An image reading apparatus, an image information verification apparatus, an image reading method, an image information verification method, and an image reading program are disclosed. The image reading apparatus includes an image acquisition unit for acquiring an image from an image reading unit for reading the image formed on a medium, a medium description receiving unit for receiving a medium description provided by a medium description acquisition unit for acquiring the medium description of the medium, a set generating unit for generating a set of information about the image and information about the medium description, and a set unique value acquisition unit for acquiring a set unique value about the set.