| abstract |
The present invention relates to an information processing system, an information processing method, an information transmission processing apparatus, and an information receiving processing apparatus, wherein the information transmission processing apparatus for electronically signing and transmitting a copyrighted electronic information having a predetermined amount of data includes the copyrighted electronic information. A dividing processing device for dividing a into two or more, an electronic signature manipulation means operable to electronically sign each of the asset electronic information divided by the dividing processing device, the asset electronic information electronically signed by the electronic signature manipulation means; And an information transmitting device for synthesizing and transmitting the electronic signature information for determining the legality of the electronic signature.n n n n Digital signature, information processing, copyright, digital information, encryption, decoder |