Personal information management device to deter tampering and personal information distribution nonrepudiation of personal information

Challenges in reliable situations where a third party is not present, the prevention of falsification of information to be transmitted and received with respect to the distribution of personal information, it can not be the prevention of denial. SOLUTION personal information management device issues a personal information registration certificate corresponding to the personal information and one-to-one, and sends the issued personal information registration certificate to the service providing device through a user terminal. When transmitting personal information, the relationship between the personal information registration certificate and the personal information that the user terminal and the service providing apparatus confirms the user terminal and personal information receiving apparatus can check whether the personal information has been tampered . Further, when receiving the personal information, always encrypts personal information, after the end of the transmission and reception of encrypted personal information, to transmit and receive the decryption key. Between the personal information managing apparatus and the service providing apparatus, the transmission and reception of the decryption key, by using the acknowledgment message personal information, it is possible to prevent denial of personal information transmission and reception.