INFORMATION PROCESSING SYSTEM, JOB PROCESSING METHOD, DATA STORAGE APPARATUS, INFORMATION DEVICE, AND CARRIER MEANS

An information processing system (100) includes a terminal apparatus (110), a data storage apparatus (140), and an information device (170). The terminal apparatus (110) includes a selector (214) for selecting different encryption processings to be respectively performed on a setting information part of job data and a substantive data part of the job data, and a notifying unit (218, 220) for notifying information indicating the encryption processing performed on the setting information part of the job data. The data storage apparatus includes (140) includes a storage unit (246) for storing the job data received from the terminal apparatus, and a determiner (244) for determining, based on the notified information indicating the encryption processing, whether or not a setting indicated by the setting information part of the received job data can be changed by the data storage apparatus (140). The information device (170) includes a receiver (272) for receiving the job data from the data storage apparatus, a decrypting unit (274) for decrypting the received job data, and an integration unit (276) for integrating a setting information part and a substantive data part of the received job data.