Ricoh Aficio MP C2800 Security Target - Page 22

Page 22 of 80 MFP Control Software Verification Function This function verifies the integrity of the MFP Control Software by checking the integrity of an executable code installed in the FlashROM. 1.4.5 Protected Assets This section desc ribes the protected assets of this TOE (document data and print data). 1.4.5.1 Document Data Document data is imported from outside the TOE by various methods, and can be either stored in the TOE or output by it. Document data stored in the TOE can be deleted. Importing Document Data Document data can be imported by the following two methods: 1. From a scanner Document data is created from the scanned image of a paper original that is imported to the TOE. 2. From the network or from a device connected to the USB Port Document data is created from print data received through the network or the USB Port that is then converted to a format that the TOE can handle. Storing Document Data Document data stored inside the TOE is stored in the D-BOX. The D-BOX protects the document data from unauthorised access and leakage. Outputting Document Data Document data can be output by the following five methods: 1. Sent by e -mail to a client computer(to the e-mail address). 2. Sent to SMB or FTP server. 3. Downloaded by a client computer. 4. Printed out. 5. Sent as a fax. When output using methods 1 to 3, document data is protected from leakage, and tampered data can be detected. 1.4.5.2 Print Data Print data is data in which a print or fax image is written. It is generated from the document files in a client computer by the printer or fax drivers installed on the client computer when it is printed or faxed, respectively. Print data is imported to the TOE via the internal network or the USB Port. When passing from Copyright (c) 2009,2010 RICOH COMPANY, LTD. All Rights Reserved.