Ricoh Aficio MP 3351 Security Target - Page 23

Software and FCU Control Software in order to confirm the MFP Control Software and FCU Control - driver for

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Page 22 of 87 transmission function of Scanner Function is used, the protection function can be enabled through encrypted communication with communication requirements that are specified for each e-mail address. If the LAN-Fax Transmission Function of Fax Function is used, the protection function can be enabled using the fax driver to specify encrypted communication. - Residual Data Overwrite Function The Residual Data Overwrite Function is to completely delete the residual data of deleted user documents, temporary documents and their fragments on the HDD by overwriting the specific pattern. - Stored Data Protection Function The Stored Data Protection Function is to encrypt the data on the HDD and protect the data so that data leakage can be prevented. - Security Management Function The Security Management Function indicates overall functions that are related to security management implemented by authorised users. - Software Verification Function The Software Verification Function is to check the integrity of the executable codes of the MFP Control Software and FCU Control Software in order to confirm the MFP Control Software and FCU Control Software are genuine. - Fax Line Separation Function The Fax Line Separation Function is to receive only faxes as input information from the telephone lines so that unauthorised intrusion from the telephone lines (same as the "fax line") can be prevented. Also, this function can be used to control fax transmissions so that unauthorised intrusion from the telephone lines to the LAN can be prevented. 1.4.5 Protected Assets The TOE shall protect the following protected assets: user data, TSF data and functions. 1.4.5.1. User Data The user data is classified into two types: document data and function data. Table 8 defines user data according to these data types. Table 8: Definition of User Data Type Document data Description Digitised user documents, deleted documents, temporary documents and their fragments, which are managed by the TOE. Copyright (c) 2011 RICOH COMPANY, LTD. All rights reserved.

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Page 22 of
87
Copyright (c) 2011 RICOH COMPANY, LTD. All rights reserved.
transmission function of Scanner Function is used, the protection function can be enabled through encrypted
communication with communication requirements that are specified for each e-mail address. If the LAN-Fax
Transmission Function of Fax Function is used, the protection function can be enabled using the fax driver to
specify encrypted communication.
- Residual Data Overwrite Function
The Residual Data Overwrite Function is to completely delete the residual data of deleted user documents,
temporary documents and their fragments on the HDD by overwriting the specific pattern.
- Stored Data Protection Function
The Stored Data Protection Function is to encrypt the data on the HDD and protect the data so that data
leakage can be prevented.
- Security Management Function
The Security Management Function indicates overall functions that are related to security management
implemented by authorised users.
- Software Verification Function
The Software Verification Function is to check the integrity of the executable codes of the MFP Control
Software and FCU Control Software in order to confirm the MFP Control Software and FCU Control
Software are genuine.
- Fax Line Separation Function
The Fax Line Separation Function is to receive only faxes as input information from the telephone lines so
that unauthorised intrusion from the telephone lines (same as the "fax line") can be prevented. Also, this
function can be used to control fax transmissions so that unauthorised intrusion from the telephone lines to
the LAN can be prevented.
1.4.5
Protected Assets
The TOE shall protect the following protected assets: user data, TSF data and functions.
1.4.5.1.
User Data
The user data is classified into two types: document data and function data. Table 8 defines user data
according to these data types.
Table 8: Definition of User Data
Type
Description
Document
data
Digitised user documents, deleted documents, temporary documents and their
fragments, which are managed by the TOE.