Abstract: An electronic document encrypting system 200, for accomplishing an object of providing a system capable of distributing an electronic document containing important information with a browsing restriction being set and information with none of the browsing restriction being set without removing the important information, includes: an encryption area extracting unit 19 extracting an encryption target area from an electronic document; a digital image generating unit generating a digital image on the basis of the area extracted by the encryption area extracting unit in the electronic document; an encrypting unit 11 encrypting the digital image generated by the digital image generating unit 15 on the basis of an encryption key; and an encrypted electronic document generating unit 12 generating an encrypted electronic document in which when the electronic document is output, in place of the extracted information, an encrypted image encrypted by the encrypting unit 11 is output to an area to which the information ex

Abstract: Provided is an image processing system capable of simply executing image processing for encryption and decryption without causing a user to perform a time-consuming operation of generating a processing target image, the system including: a rendering information input accepting unit 21 accepting an input of rendering information for depicting a content of electronic data; a digital image generating unit 15 generating a digital image defined on the basis of the accepted rendering information; a definition information acquiring unit 23 acquiring definition information containing area designating information for specifying an encrypting target partial area in the generated digital image and key information used on the occasion of encrypting the partial area; an encrypting unit 11 generating an encrypted image by converting the image of the partial area on the basis of the key information; and an output unit 12 outputting the encrypted image.

Abstract: An electronic document encrypting system 200, for accomplishing an object of providing a system capable of distributing an electronic document containing important information with a browsing restriction being set and information with none of the browsing restriction being set without removing the important information, includes: an encryption area extracting unit 19 extracting an encryption target area from an electronic document; a digital image generating unit generating a digital image on the basis of the area extracted by the encryption area extracting unit in the electronic document; an encrypting unit 11 encrypting the digital image generated by the digital image generating unit 15 on the basis of an encryption key; and an encrypted electronic document generating unit 12 generating an encrypted electronic document in which when the electronic document is output, in place of the extracted information, an encrypted image encrypted by the encrypting unit 11 is output to an area to which the information ex

Abstract: Provided is an image processing system capable of simply executing image processing for encryption and decryption without causing a user to perform a time-consuming operation of generating a processing target image, the system including: a rendering information input accepting unit 21 accepting an input of rendering information for depicting a content of electronic data; a digital image generating unit 15 generating a digital image defined on the basis of the accepted rendering information; a definition information acquiring unit 23 acquiring definition information containing area designating information for specifying an encrypting target partial area in the generated digital image and key information used on the occasion of encrypting the partial area; an encrypting unit 11 generating an encrypted image by converting the image of the partial area on the basis of the key information; and an output unit 12 outputting the encrypted image.