DOCUMENT VERIFYING PROGRAM, RECORDING MEDIUM, DOCUMENT VERIFYING METHOD, AND DOCUMENT VERIFYING DEVICE

摘要

A document verifying program for verifying the authenticity of an electronic document. An electronic document is inputted and received. The inputted electronic document is divided into constituent elements. A true or pseudo random number is allocated to each constituent element in the order of appearance position of the divided constituent elements in the electronic document. In such a way, even if alteration such as order exchange or transfer (copying) of a partial document constituting the electronic document is performed, the authenticity of the electronic document can be verified.