Patent ID: 7505955

Claim:
An information terminal comprising: a storage unit configured to have a first storage area which is accessible from an external terminal, and a second storage area which is inaccessible from the external terminal; an acquiring module configured to acquire content which includes a content body and rights information indicating a use condition of the content body; a temporarily storing module configured to temporarily store the acquired content in the second storage area; an encrypting and moving module configured to, if a predetermined move condition is satisfied, encrypt the temporarily stored content, and move the encrypted content from the second storage area to the first storage area; a generating and appending module configured to, if the acquired content is stored in the second storage area, generate state management information corresponding to the acquired content, and append the generated state management information to the acquired content; and a storing and appending module configured to, if the acquired content stored in the second storage area is moved to the first storage area, separate the state management information from the acquired content to be moved, store the separated state management information in the second storage area, and append information indicating correspondence between the separated state management information and the acquired content to be moved to the acquired content to be moved.