| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an information processing apparatus capable of adding, to an electronic document, a signature of an image close to a handwritten one by an image that differs slightly each time, without having to prepare for it, beforehand. <P>SOLUTION: The information processing apparatus creates electronic documents added with electronic images and electronic signatures. The apparatus adds a signature image 109 to an electronic document 101 for create an electronic document 110 with the signature image, and encrypts this electronic document 110 with the signature image by using a secret key 103 of its signer. The apparatus adds a certificate 102 of the signer to the encrypted electronic document 110 with the signature image, and generates signature data 115 on the electronic document with the signature image. By adding this signature data 115 on the electronic document with the signature image to the electronic document 110 with the signature image, an electronic document 116 with the signature image and an electronic signature is generated. <P>COPYRIGHT: (C)2007,JPO&INPIT |
