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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 describes 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 an 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
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