Apparatus with electronic information transfer function or the like, program for electronic information transfer, and method for electronic information transfer

摘要

An information processor transmits and receives electronic information via a network, and includes an electronic information encrypting unit which encrypts the electronic information. A storage unit stores the electronic information and the encrypted electronic information data encrypted by the electronic information encrypting unit. An electronic credit generating unit generates a letter of credit to erase the electronic information from the storage unit and to transmit the encrypted electronic information data to the other information processor. An electronic information communicating unit transmits and receives the encrypted electronic information data and the electronic letter of credit to and from the other information processor.

主权项

1. An information processing apparatus comprising:
a storage configured to store electronic information; and a processor coupled to the storage and configured to:
generate an encrypted electronic information by encrypting the electronic information with a public key, which is received from another information processing apparatus,erase the electronic information from the storage,generate an electronic letter of credit which indicates that the electronic information has been erased and the encrypted electronic information has been generated, andtransmit the encrypted electronic information and the electronic letter of credit to the another information processing apparatus only after erasing the electronic information from the storage.