Digital self-document verification device, digital self-document verification method and digital self-written verification program

摘要

PROBLEM TO BE SOLVED: To easily complete a procedure requiring the signature of a user himself or herself for a document, and to verify that the user has confirmed the document and performed signature later.SOLUTION: A document generation server 100 generates an original document PDF file in which input information is formed by a predetermined layout template, and displays the original document PDF file, and generates a Web page including an autograph area for receiving the input of autograph and the location information of the original document PDF file, and transmits the Web page to information terminal equipment 200. The information terminal equipment 200 displays the Web page, and receives the input of autograph, and calculates a hash value from the original document PDF file, and generates autograph information on the basis of the autograph, and transmits the autograph information including the hash value to the document generation server 100. The document generation server 100 generates an autograph PDF file in which the autograph information including the hash value is additionally written in the original document PDF file, and applies an electronic signature and a time stamp to the generated autograph PDF file.SELECTED DRAWING: Figure 2