Patent ID: 8006284

Claim:
An information processing system configured with first, second, and third information processing apparatuses, each connected to a prescribed network, wherein the first information processing apparatus comprises: storage means for storing data; securing means for securing a storage area of a prescribed capacity in the storage means according to a request from the second information processing apparatus; and providing means for providing connection information for connecting the storage area secured by the securing means to the second information processing apparatus; the second information processing apparatus comprises: requesting means for making a request to the first information processing apparatus to secure a storage area; receiving means for receiving the connection information supplied by the providing means; generating means for generating keys used in encryption; and recording means for recording the connection information received by the receiving means and the keys generated by the generating means in a prescribed recording medium; and the third information processing apparatus comprises: connection means for reading the connection information from the recording medium when the recording medium, recorded with the connection information and keys by the recording means, is installed, and connecting to the storage area; and encryption means for reading the keys from the recording medium when the data is transmitted at a time after completion of connection with the storage area by the connection means, and encrypting the transmitted data.