Information processing device, read terminal, non-public information read system, non-public information read method, information processing program, and non-public information read program

An access terminal for acquiring bar-code information outputted to a predetermined medium and for outputting information contained in the bar-code information, the access terminal comprising:

• bar-code information acquiring means for acquiring the bar-code information from the predetermined medium;
• decrypting means for decrypting encrypted information contained in the bar-code information, to obtain plaintext information;
• access terminal information acquiring means for acquiring access terminal information that can be specified in the access terminal, when the bar-code information acquiring means acquires the bar-code information;
• and
• output controlling means for controlling output of the plaintext information, based on condition information contained in the bar-code information acquired by the bar-code information acquiring means, and the access terminal information acquired by the access terminal information acquiring means.

An access terminal for acquiring private information outputted to a predetermined medium, the access terminal comprising:

• bar-code information acquiring means for acquiring bar-code information from the predetermined medium;
• decrypting means for decrypting encrypted private information contained in the bar-code information;
• time information outputting means for outputting current time information when the bar-code information acquiring means acquires the bar-code information;
• and
• output controlling means for comparing term information contained in the bar-code information acquired by the bar-code information acquiring means, with the current time information outputted by the time information outputting means and for controlling output of the private information.

A private information access system for outputting encrypted information resulting from encryption of predetermined plaintext information, as bar-code information to a predetermined medium and for letting an access terminal acquire the bar-code information outputted to the predetermined medium and output information contained in the bar-code information, the private information access system comprising:

• encrypting means for encrypting the plaintext information to obtain the encrypted information;
• and
• bar-code information outputting means for generating bar-code information containing the encrypted information and condition information defining a condition for decryption of the encrypted information to acquire the plaintext information, and for outputting the bar-code information to the predetermined medium;
• wherein the access terminal comprises:
• bar-code information acquiring means for acquiring the bar-code information from the predetermined medium;
• decrypting means for decrypting the encrypted information contained in the bar-code information, to obtain the plaintext information;
• access terminal information acquiring means for acquiring access terminal information that can be specified in the access terminal, when the bar-code information acquiring means acquires the bar-code information;
• and
• output controlling means for controlling output of the plaintext information, based on the condition information contained in the bar-code information acquired by the bar-code information acquiring means, and the access terminal information acquired by the access terminal information acquiring means.

A private information access system comprising an access terminal for acquiring private information outputted to a predetermined medium, the private information access system comprising:

• encrypting means for encrypting the private information;
• and
• bar-code information outputting means for generating bar-code information in which the encrypted private information is associated with term information defining a valid period of the private information, and for outputting the bar-code information to the predetermined medium;
• wherein the access terminal comprises:
• bar-code information acquiring means for acquiring the bar-code information from the predetermined medium;
• decrypting means for decrypting the encrypted private information contained in the bar-code information;
• time information outputting means for outputting current time information when the bar-code information acquiring means acquires the bar-code information;
• and
• output controlling means for comparing the term information contained in the bar-code information acquired by the bar-code information acquiring means, with the current time information outputted by the time information outputting means, and for controlling the output of the private information.

A private information access method of acquiring bar-code information outputted to the predetermined medium and outputting information contained in the bar-code information, the private information access method comprising the following steps executed in an access terminal:

• a step wherein bar-code information acquiring means acquires the bar-code information from the predetermined medium;
• a step wherein decrypting means decrypts encrypted information contained in the bar-code information, to obtain plaintext information;
• a step wherein access terminal information acquiring means acquires access terminal information that can be specified in the access terminal, when the bar-code information acquiring means acquires the bar-code information;
• and
• a step wherein output controlling means controls output of the plaintext information, based on condition information contained in the bar-code information acquired by the bar-code information acquiring means, and the access terminal information acquired by the access terminal information acquiring means.

A private information access method of accessing private information outputted to a predetermined medium, through an access terminal, the private information access method comprising:

• a step wherein encrypting means encrypts the private information;
• and
• a step wherein bar-code information outputting means generates bar-code information in which the encrypted private information is associated with term information defining a valid period of the private information, and outputs the bar-code information to the predetermined medium;
• the private information access method further comprising the following steps executed in the access terminal:
• a step wherein bar-code information acquiring means acquires the bar-code information from the predetermined medium;
• a step wherein decrypting means decrypts the encrypted private information contained in the bar-code information;
• a step wherein time information outputting means outputs current time information when the bar-code information acquiring means acquires the bar-code information;
• and
• a step wherein output controlling means compares the term information contained in the bar-code information acquired by the bar-code information acquiring means, with the current time information outputted by the time information outputting means, and controls output of the private information.

A private information access program for letting an access terminal acquire bar-code information outputted to a predetermined medium, and output information contained in the bar-code information, the private information access program letting the access terminal function as:

• bar-code information acquiring means for acquiring the bar-code information from the predetermined medium;
• decrypting means for decrypting encrypted information contained in the bar-code information, to obtain plaintext information;
• access terminal information acquiring means for acquiring access terminal information that can be specified in the access terminal, when the bar-code information acquiring means acquires the bar-code information;
• and
• output controlling means for controlling output of the plaintext information, based on condition information contained in the bar-code information acquired by the bar-code information acquiring means, and the access terminal information acquired by the access terminal information acquiring means.

A private information access program for letting an access terminal acquire private information outputted to a predetermined medium, the private information access program letting the access terminal function as:

• bar-code information acquiring means for acquiring bar-code information from the predetermined medium;
• decrypting means for decrypting encrypted private information contained in the bar-code information;
• time information outputting means for outputting current time information when the bar-code information acquiring means acquires the bar-code information;
• and
• output controlling means for comparing the term information contained in the bar-code information acquired by the bar-code information acquiring means, with the current time information outputted by the time information outputting means, and for controlling output of the private information.