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bizhub 958/bizhub PRO 958/bizhub 808/bizhub 758/
ineo 958/ineo 758
Security Target
This document is a translation of the evaluated and certified security
target written in Japanese.
Version: 2.00
Issued on: June 22, 2016
Created by: KONICA MINOLTA, INC.
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---- [ Contents ] ---------------------------------------------------------------------------------
1 ST Introduction ........................................................................................................................ 6
1.1 ST Reference.............................................................................................................................6
1.2 TOE Reference..........................................................................................................................6
1.3 TOE Overview ..........................................................................................................................6
1.3.1 TOE Type ......................................................................................................................................................6
1.3.2 Usage of the TOE..........................................................................................................................................6
1.3.3 Necessary Hardware/Software for the TOE................................................................................................8
1.3.4 TOE’s Main Basic Functions and Main Security Functions.......................................................................8
1.4 TOE description........................................................................................................................9
1.4.1 Physical Scope of the TOE ...........................................................................................................................9
1.4.2 Guidance ..................................................................................................................................................... 11
1.4.3 Identification of TOE Components ............................................................................................................12
1.4.4 Logical Scope of the TOE............................................................................................................................12
1.4.5 TOE User ....................................................................................................................................................16
1.4.6 Protected Assets..........................................................................................................................................16
1.4.7 Glossary.......................................................................................................................................................18
1.4.8 User Box......................................................................................................................................................21
2 Conformance Claims .............................................................................................................. 22
2.1 CC Conformance Claim..........................................................................................................22
2.2 PP Claim .................................................................................................................................22
2.3 Package Claim ........................................................................................................................22
2.3.1 SFR package reference ...............................................................................................................................23
2.3.2 SFR Package functions...............................................................................................................................23
2.3.3 SFR Package attributes..............................................................................................................................24
2.4 PP Conformance rationale .....................................................................................................24
2.4.1 Conformance Claim with TOE type of the PP...........................................................................................24
2.4.2 Conformance Claim with Security Problem and Security Objectives of the PP .....................................25
2.4.3 Conformance Claim with Security requirement of the PP.......................................................................25
3 Security Problem Definition .................................................................................................. 27
3.1 Threats agents........................................................................................................................27
3.2 Threats to TOE Assets ...........................................................................................................27
3.3 Organizational Security Policies for the TOE.......................................................................27
3.4 Assumptions ...........................................................................................................................28
4 Security Objectives................................................................................................................. 29
4.1 Security Objectives for the TOE ............................................................................................29
4.2 Security Objectives for the IT environment..........................................................................29
4.3 Security Objectives for the non-IT environment...................................................................30
4.4 Security Objectives rationale.................................................................................................31
5 Extended components definition (APE_ECD) ...................................................................... 34
5.1 FPT_FDI_EXP Restricted forwarding of data to external interfaces ..................................34
6 Security Requirements........................................................................................................... 36
6.1 Security functional requirements..........................................................................................36
6.1.1 Class FAU: Security audit..........................................................................................................................36
6.1.2 Class FCS: Cryptographic support ............................................................................................................39
6.1.3 Class FDP: User data protection ...............................................................................................................40
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6.1.4 Class FIA: Identification and authentication............................................................................................46
6.1.5 Class FMT: Security management.............................................................................................................49
6.1.6 Class FPT: Protection of the TSF...............................................................................................................57
6.1.7 Class FTA: TOE access...............................................................................................................................58
6.1.8 Class FTP: Trusted path/channels.............................................................................................................58
6.2 Security assurance requirements ..........................................................................................59
6.3 Security requirements rationale............................................................................................60
6.3.1 Common security requirements rationale.................................................................................................60
6.3.2 Security assurance requirements rationale ..............................................................................................67
7 TOE Summary specification.................................................................................................. 67
7.1 F.AUDIT (Audit log function).................................................................................................67
7.1.1 Audit log acquirement function .................................................................................................................67
7.1.2 Audit Log Review Function........................................................................................................................68
7.1.3 Audit storage function................................................................................................................................68
7.1.4 Trusted time stamp function......................................................................................................................68
7.2 F.HDD_ENCRYPTION (HDD Encryption function) ............................................................68
7.3 F.ACCESS_DOC (Accumulated documents access control function)...................................69
7.4 F.ACCESS_FUNC (User restriction control function)..........................................................70
7.5 F.RIP (Residual information deletion function) ....................................................................72
7.5.1 Temporary Data Deletion Function ...........................................................................................................72
7.5.2 Data Complete Deletion Function .............................................................................................................73
7.6 F.I&A (Identification and authentication function)..............................................................73
7.7 F.SEPARATE_EX_INTERFACE (External interface separation function).........................75
7.8 F.SELF_TEST (Self-test function).........................................................................................76
7.9 F.MANAGE (Security management function)....................................................................76
7.10 F.SECURE_LAN (Network communication protection function) ........................................79
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---- [ List of Figures ] ---------------------------------------------------------------------------------
Figure 1-1 TOE’s use environment.................................................................................................7
Figure 1-2 Physical scope of the TOE...........................................................................................10
Figure 1-3 Logical scope of the TOE.............................................................................................12
---- [ List of Tables ] ---------------------------------------------------------------------------------
Table 1-1 Users ..............................................................................................................................16
Table 1-2 User Data.......................................................................................................................16
Table 1-3 TSF Data........................................................................................................................17
Table 1-4 TSF Data........................................................................................................................17
Table 1-5 Glossary .........................................................................................................................18
Table 1-6 System User Box ...........................................................................................................21
Table 1-7 Function user box..........................................................................................................22
Table 2-1 SFR Package functions .................................................................................................23
Table 2-2 SFR Package attributes ................................................................................................24
Table 3-1 Threats to User Data for the TOE................................................................................27
Table 3-2 Threats to TSF Data for the TOE.................................................................................27
Table 3-3 Organizational Security Policies for the TOE..............................................................28
Table 3-4 Assumptions for the TOE..............................................................................................28
Table 4-1 Security Objectives for the TOE...................................................................................29
Table 4-2 Security Objectives for the IT environment.................................................................29
Table 4-3 Security Objectives for the non-IT environment .........................................................30
Table 4-4 Completeness of Security Objectives............................................................................31
Table 4-5 Sufficiency of Security Objectives.................................................................................32
Table 6-1 Audit data requirements...............................................................................................36
Table 6-2 Cryptographic key algorithm key size..........................................................................39
Table 6-3 Cryptographic operations algorithm key size standards ............................................40
Table 6-4 Common Access Control SFP........................................................................................41
Table 6-5 PRT Access Control SFP ...............................................................................................42
Table 6-6 SCN Access Control SFP...............................................................................................42
Table 6-7 CPY Access Control SFP ...............................................................................................42
Table 6-8 FAX Access Control SFP ...............................................................................................43
Table 6-9 DSR Access Control SFP...............................................................................................43
Table 6-10 TOE Function Access Control SFP.............................................................................44
Table 6-11 Management of Object Security Attribute .................................................................50
Table 6-12 Management of Subject Security Attribute ...............................................................51
Table 6-13 Management of Subject Attribute ..............................................................................52
Table 6-14 Management of Object Attribute ................................................................................52
Table 6-15 Characteristics Static Attribute Initialization...........................................................53
Table 6-16 Characteristics Static Attribute Initialization...........................................................54
Table 6-17 Operation of TSF Data................................................................................................55
Table 6-18 Operation of TSF Data................................................................................................56
Table 6-19 list of management functions .....................................................................................56
Table 6-20 IEEE 2600.2 Security Assurance Requirements .......................................................59
Table 6-21 Completeness of security requirements....................................................................60
Table 6-22 Sufficiency of security requirements.........................................................................61
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Table 6-23 The dependencies of security requirements .............................................................65
Table 7-1 Names and identifiers of TOE Security Functions ....................................................67
Table 7-2 Audit Log......................................................................................................................68
Table 7-3 Encryption Algorithm in HDD Encryption function ..................................................69
Table 7-4 Operation of document in the System user box..........................................................69
Table 7-5 Details of Operation of document in the System user box.........................................69
Table 7-6 Operation for documents in the function user box...................................................70
Table 7-7 Details of Operation for documents in the function user box....................................70
Table 7-8 Operation Settings of Overwrite Deletion function of Temporary data ..................72
Table 7-9 Operation settings of Data Complete Deletion Function ........................................73
Table 7-10 Authentication method............................................................................................73
Table 7-11 Password and Quality .............................................................................................74
Table 7-12 Process at the time of authentication failure ...........................................................74
Table 7-13 Termination of interactive session ............................................................................75
Table 7-14 Management Function...............................................................................................76
Table 7-15 Secure Print Password management function .........................................................79
Table 7-16 Encryption Communication provided by the TOE ....................................................79
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1 ST Introduction
1.1 ST Reference
- ST Title : bizhub 958/bizhub PRO 958/bizhub 808/bizhub 758/ineo 958/ineo 758
Security Target
- ST Version : 2.00
- Created on : June 22, 2016
- Created by : KONICA MINOLTA, INC.
1.2 TOE Reference
- TOE Name : bizhub 958/bizhub PRO 958/bizhub 808/bizhub 758/ineo 958/ineo 758
- TOE Version : G00-14
- Created by : KONICA MINOLTA, INC.
1.3 TOE Overview
The TOE is the MFP used in the network environment (LAN), and has the function to accumulate
documents in addition to copy, scan, print and FAX functions. The connection of FAX kit (option) is
necessary to use FAX function.
1.3.1 TOE Type
The TOE is the MFP used in the network environment (LAN).
1.3.2 Usage of the TOE
TOE’s use environment is shown below, and the usage for the TOE is described. The hardware
and software necessary for using the TOE, which are not the TOE, is described in 1.3.3.
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SMTP server
External
Authentication serer
Internet
Public line
Client PC
MFP(FAX kit)
LAN
DNS server
Firewall
Figure 1-1 TOE’s use environment
The TOE is used by connecting LAN and public line, as shown in Figure 1-1. The User can
operate the TOE by communicating through the LAN or the operation panel with which the TOE
is equipped. The following explain about the MFP, which is the TOE, and the hardware and
software, which are not the TOE.
(1) MFP
This is the TOE. MFP is connected to the intra-office LAN. The user can perform the
following from the operation panel.
 MFP’s various settings
 Paper documents' Copy, Fax TX, Accumulation as electronic documents, Network TX
 Accumulated documents’ Print, Fax TX, Network TX, Deletion
(2) FAX kit
Necessary option for using fax function.
(3) LAN
Network used for the TOE setup environment.
(4) Public line
Telephone line for transmitting to external fax.
(5) Firewall
Device for protecting against the network attacks to intra-office LAN from the internet.
(6) Client PC
By connecting to the LAN, this works as the client of the TOE. The user can access MFP
from the client PC and operate the following by installing the Web browser, the printer driver,
and the device management software tool for administrator etc. in the client PC.
 MFP’s various settings
 Document Operation
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 Accumulation, Print of electronic documents
(7) SMTP server
Server used for sending the electronic documents in the TOE by e-mail.
(8) External Authentication server
Server to identify and authenticate TOE users. This is used only when external server
authentication method is used. Kerberos authentication is used in the external server
authentication method.
(9) DNS server
Server for converting domain name to IP address
1.3.3 Necessary Hardware/Software for the TOE
The following are the hardware and software necessary for using the TOE.
Hardware /Software Used version for evaluation
FAX kit FK-516 (KONICA MINOLTA)
Web Browser Microsoft Internet Explorer 11
Printer Driver KONICA MINOLTA 958 Series
PCL Ver. 4.1.0.0
PS Ver. 4.1.3.0
XPS Ver. 4.1.3.0
Device Management Software tool
for Administrator
KONICA MINOLTA Data Administrator with Device Set-Up
and Utilities Ver.1.0.08000
KONICA MINOLTA Data Administrator Ver. 4.1.36000
External Authentication Server Active Directory installed in Microsoft Windows Server 2008
R2 Standard Service Pack1
DNS Server Microsoft Windows Server 2008 R2 Standard Service Pack1
1.3.4 TOE’s Main Basic Functions and Main Security Functions
TOE’s main basic functions are as follows.
(1) Print
Function to print the print data.
(2) Scan
Function to generate a document file by scanning paper documents.
(3) Copy
Function to copy scanned image by scanning paper documents.
(4) FAX
Function to send the scanned paper documents to the external FAX. Function to receive
documents from the external FAX.
(5) Document storage and retrieval function
Function to accumulate documents in the TOE and retrieve the accumulated documents.
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(6) Shared-medium interface function
Function to operate the TOE remotely from the Client PC by TOE users.
TOE’s main security functions are as follows.
(1) Identification and authentication function
Function to identify and authenticate TOE users
(2) Accumulated documents access control function
Function to control the operation of accumulated documents.
(3) User restriction control function
Function to control the operation of TOE functions and to control the operation to the
documents other than the accumulated documents included in the performing jobs.
(4) HDD encryption function
Function to encrypt recorded data to HDD.
(5) Audit log function
Function to record the log of events related to TOE usage and security as the audit log
and to refer to it.
(6) Residual information deletion function
Function to disable the reuse of the deleted documents, temporary documents or its
fragmented files in the TOE.
(7) Network communication protection function
Function to prevent the disclosure of information caused by wiretapping on the network
when using the LAN.
(8) Self-test function
Function to verify that HDD encryption function, encryption passphrase and TSF
executable code are normal when starting MFP.
(9) Security management function
Function to control the operation to TSF data and the behavior of security function.
(10) External interface separation function
Function to disable the direct forwarding of the input from the external interface,
including USB interface, to Shared-medium Interface, and also to prevent the intrusion
to the LAN from the telephone line.
1.4 TOE description
This paragraph explains the overview of the physical scope of the TOE, the TOE user’s
definition, the logical scope of the TOE and the protected assets.
1.4.1 Physical Scope of the TOE
The TOE, as shown in Figure 1-2, is the MFP composed of main/sub power, operation panel,
scanner unit, automatic document feeder, MFP controller unit, printer unit and HDD.
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RAM
CPU
Paper
HDD
Flash drive
ASIC
Paper
MFP
eMMC
・ Scanner Unit
・automatic document feeder
MFP Controller Unit
FAX kit
Public line
Panel
Operator
Main/Sub
Power
Printer
unit
Operator
Ethernet
I/F
USB
I/F
RS-232C
I/F
Figure 1-2 Physical scope of the TOE
(1) Main/sub power supply
Power switches for activating MFP.
(2) Operation Panel
An exclusive control device for the operation of MFP, equipped with a touch panel of a liquid
crystal monitor, numeric keypad1, start key, stop key, screen switch key, etc.
(3) Scanner unit/ Automatic document feeder
A device that scans images and photos from paper and converts them into digital data.
(4) MFP Controller unit
A device that controls MFP.
(5) CPU
Central processing unit.
(6) RAM
A volatile memory used as the working area.
(7) ASIC
An integrated circuit for specific applications which implements an HDD encryption functions
for enciphering the image data written in HDD.
(8) Flash drive
1 Numeric keypad is displayed on the touch panel. Hard numeric keypad is the option (Not the TOE).
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A nonvolatile memory that stores TSF data that decides MFP action.
(9) eMMC
A storage medium that stores the object code of the "MFP Control Software." Additionally, it
stores the message data expressed in each country's language to display the response to access
through the operation panel and network, and various settings that the MFP needs.
(10) Printer unit
A device to actually print the image data which were converted for printing when receiving a
print request from the MFP controller.
(11) HDD
A hard disk drive of 250GB in capacity. This is used not only for storing electronic documents
as files but also for working area. The HDD is not the removable nonvolatile storage device on
this TOE.
(12) RS-232C I/F
Interface which is usable for the serial connection using D-sub 9-pin connectors. The
maintenance function can be used through this interface at the time of a breakdown. It is
possible to use the remote diagnostic function (described later) by connecting with the public
line via a modem.
(13) Ethernet I/F
Interface which supports 10BASE-T, 100BASE-TX, and Gigabit Ethernet.
(14) USB I/F
Used for rewriting the firmware according to the guidance.
(15) FAX kit
A device that is used for communications for FAX-data transmission and remote diagnostic
via the public line. This is not included in the TOE.
1.4.2 Guidance
There are English and Japanese versions of TOE guidance, and they are distributed
depending on sales areas. The following show the list of guidance.
Name Ver.
bizhub 758 User’s Guide (Japanese) 1.00
bizhub 758 User’s Guide Security Functions (Japanese) 1.01
bizhub 958/808/758 User's Guide 1.00
bizhub 958/808/758/bizhub PRO 958 User’s Guide [Security Operations] 2 1.01
ineo 958/758 User's Guide 1.00
ineo 958/758 User’s Guide [Security Operations] 1.01
2 Guidance is composed by User’s Guide and User’s Guide [Security Operations]. This guidance and bizhub
958/808/758 User’s Guide are corresponding to the European model (bizhub PRO 958).
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1.4.3 Identification of TOE Components
Each of the MFP, MFP board, firmware, and eMMC board which compose the TOE, has its
own identification. The relation between each identification is as follows.
MFP
bizhub 958, bizhub PRO 958, bizhub 808, bizhub 758, ineo 958, ineo 758
MFP board Firmware eMMC board
A796H020-02 A7950Y0-F000-G00-14 A7AHH02D-00
1.4.4 Logical Scope of the TOE
TOE security functions and the basic functions are described below.
SMTP server
External authentication server
DNS server
FAX
U.USER
Panel Network communication protection function
Identification and authentication function
（If the authentication is external authentication server,
this function is performed with the external authentication server.
Basic functions
Print
Scan
Copy
Fax
Document
storage and
retrieval
function
Accumulated documents access control function
D.PROT
D.CONF
Flash drive
D.PROT
D.CONF
eMMC
D.PROT D.CONF
D.DOC D.FUNC
HDD
HDD
encryption
function
Residual
information
deletion function
Audit log function
Self-test function
User restriction control function Security management function
Network
communication
protection
function
External interface
separation function
Client PC
Figure 1-3 Logical scope of the TOE
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1.4.4.1 Basic Functions
TOE basic functions are described below.
(1) Print
This function prints the print data received via LAN from a client PC.
(2) Scan
This function scans a document (paper) by user’s operation from operation panel and
generates a document file.
(3) Copy
This function scans a document (paper) by user’s operation from operation panel and
copies a scanned image.
(4) FAX
This function scans a paper document and sends it to external fax (FAX TX function),
and receives the document from external fax (FAX RX function).
The TOE can accumulate the documents and also can send the accumulated
documents in the TOE by Fax. Documents accumulated in the TOE that can be sent by
Fax is called Fax TX print. In addition, documents received by Fax are accumulated in
the TOE and can be printed and deleted.
- Fax TX function
Function to send a paper document and Fax TX print to the external fax device from
the telephone line. The paper document is scanned by the operation on the panel and
performs Fax TX. Fax TX print is operated from the operation panel and performs Fax
TX.
- Fax RX function
Function to receive documents through the telephone line from the external fax.
(5) Document storage and retrieval function
This function accumulates documents in the TOE and retrieves the accumulated
documents.
(6) Shared-medium interface function
This function operates the TOE remotely from the Client PC by TOE users. Along with
the guidance, Web browser or application, etc. is installed and connected with the TOE
through LAN.
1.4.4.2 Security Functions
TOE security functions are described below.
(1) Identification and authentication function
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This function verifies whether a person who uses the TOE is the authorized user of
the TOE or not by user ID and password. If it was confirmed to be the authorized user
of the TOE, this function permits the use of the TOE. There are machine
authentication and external server authentication as the methods to verify, and it is
authenticated by the method which was set by administrator beforehand.
This function includes the function to display the input password on the operation
panel with dummy characters. Moreover, it includes the authentication lock function
when the continuous number of authentication failures reaches to the setting value,
and the function to register only passwords that satisfy the conditions, like minimum
character of password, set by administrator for keeping the password quality.
(2) Accumulated documents access control function
This function permits operation of accumulated documents for authorized user of
the TOE who was authenticated by identification and authentication function, based
on the authority given to the user's role or the attributes of user and the attributes of
documents.
(3) User restriction control function
This function permits the operation of print, scan, copy, fax, document storage and
retrieval function, and shared-medium interface function for authorized user of the
TOE who was authenticated by identification and authentication function, based on
the operation authority given to the user's role or each user. Also, this function takes
control of the operation of documents other than accumulated documents included in
executing jobs.
(4) HDD encryption function
This function encrypts data saved in the HDD for protecting against unauthorized
disclosure.
(5) Audit log function
This function records logs of the events related to the TOE use and security
(hereinafter, referred to as “audit event”) with date and time information as the audit
log, and provides the recorded audit log in the auditable form. Audit log is stored in
the HDD of the TOE, but if the storage area becomes full, accepting jobs is suspended
(Audit log is not stored.) or oldest audit record stored is overwritten according to
administrator’s settings. Moreover, recorded audit log is permitted to read and delete
only by administrator.
(6) Residual information deletion function
This function makes residual information non-reusable by overwriting the deleted
documents, temporary documents, or their parts in the TOE with special data.
(7) Network communication protection function
This function prevents the disclosure of information by wiretapping on a network
when using the LAN. This function encrypts the communication data between client
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PC and MFP, and between external authentication server, DNS server, SMTP server,
and MFP.
(8) Self-test function
This function verifies that HDD encryption function, encryption passphrase, and
TSF executable code are normal when starting MFP.
(9) Security management function
This function controls the operation to TSF data and the behavior of security
function for authorized user of the TOE who was authenticated by identification and
authentication function based on the authority given to the user's role.
(10) External interface separation function
This function prevents transferring the input from external interfaces, including
USB interface, to Shared-medium Interface as it is, and prevents the intrusion to LAN
from telephone line. Regarding the telephone line, this function prevents intrusion
from the telephone line by limiting the input information only to FAX RX and Remote
diagnostic function, and prevents the intrusion to LAN from the telephone line by
prohibiting the transfer of received fax.
1.4.4.3 Restriction
Prohibited functions and unusable functions are described below.
- FTP TX, SMB TX, WebDAV TX, IP address FAX, Internet FAX, PC-FAX RX
- Bulletin Board User box, etc., which are not listed in the ST
- SNMP function
- DPWS setting
- LPD setting
- RAW print
- Print function with USB local connection
- External memory (Print, Save document, Copy)
- Print function other than Secure Print, ID & Print, and Encrypted PDF (By this restriction, it
is stored as print authentication and print document even if print is requested with normal
print settings.)
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1.4.5 TOE User
TOE users (U.USER) are classified as follows.
Table 1-1 Users
Designation Definition
U.USER
(Authorized user)
Any authorized User.
U.NORMAL
(Public user)
A User who is authorized to perform User
Document Data processing functions of the TOE.
U.ADMINISTRATOR
(Administrator)
U.BUILTIN_ADMINI
STRATOR
(Built-in
administrator)
A User who has been specifically granted the
authority to manage some portion or all of the TOE
and whose actions may affect the TOE security
policy (TSP). Administrators may possess special
privileges that provide capabilities to override
portions of the TSP.
U.USER_ADMINIST
RATOR
(User administrator)
*Refer to 1.4.7 Glossary about U.BUILTIN_ADMINISTRATOR and U.USER_ ADMINISTRATOR.
1.4.6 Protected Assets
Protected assets are User Data, TSF Data and Functions.
1.4.6.1 User Data
User Data are generated by or for the authorized users, which do not have any effect on the
operations of TOE security functions. User data are classified as follows.
Table 1-2 User Data
Designation Definition
D.DOC User Document Data consists of the information contained in a user’s document. This
includes the original document itself in either hardcopy or electronic form, image
data, or residually stored data created by the hardcopy device while processing an
original document and printed hardcopy output.
D.FUNC User Function Data are the information about a user’s document or job to be
processed by the TOE.
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1.4.6.2 TSF Data
TSF Data are data generated by or generating for the TOE, which affect TOE operations. TSF
Data are classified as follows.
Table 1-3 TSF Data
Designation Definition
D.PROT TSF Protected Data are assets for which alteration by a User who is neither an
Administrator nor the owner of the data would have an effect on the operational
security of the TOE, but for which disclosure is acceptable.
D.CONF TSF Confidential Data are assets for which either disclosure or alteration by a User
who is neither an Administrator nor the owner of the data would have an effect on
the operational security of the TOE.
TSF Data covered in this TOE are as follows.
Table 1-4 TSF Data
Designation Definition
D.PROT Auto reset time
Auto logout time
Authentication Failure Frequency Threshold
Password mismatch frequency threshold
Data which relates to access control (Authentication failure frequency, Password
mismatch frequency, etc.)
External server authentication setting data
Operation prohibition release time of Administrator authentication
Time information
Network settings (IP address of SMTP server, Port No., etc., MFP IP address, etc.)
TX address settings (address of e-mail TX, etc.)
Password Policy
Settings which relate to transfer of RX FAX
User ID
Permission Role
Allocation Role
Role
D.CONF Login password
Encryption passphrase
sBOX PASSWORD
DOC PASSWORD
Audit log
1.4.6.3 Functions
Functions shown in 2.3.2 SFR Package functions.
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1.4.7 Glossary
The meanings of terms used in this ST are defined.
Table 1-5 Glossary
Designation Definition
Allocation Role Attributes related to a user. Refer when MFP function is executed.
Box Type Types of user box;
Secure print user box, Memory RX user box, Password Encrypted
PDF user box, ID & Print user box, Annotation user box.
Copy Role Role which can perform a copy.
Data Administrator Application software to perform administrator settings from client
PC.
Data Administrator
with Device Set-Up and Utilities
Device management software for administrator corresponding to
multiple MFP. Possible to activate Data Administrator which is
plug-in software.
DSR Role Role which can store data to HDD, can read out stored data in
HDD, and can edit.
Fax Role Role which can perform a fax function.
FTP TX Function which uploads to FTP server by converting scanned data
to the available file on the computer.
HDD data overwrite deletion
function
Function to overwrite and delete the data on HDD.
Operation settings of HDD data
overwrite deletion function
Function which sets the deletion methods which are used for HDD
data overwrite deletion function.
Permission Role Attributes related to MFP function.
Print Role Role which can perform a print from a client PC.
Role Role of U.USER.
There are U.NORMAL and U.ADMINISTRATOR.
Moreover, U.ADMINISTRATOR is divided into
U.BUILTIN_ADMINISTRATOR and
U.USER_ADMINISTRATOR.
Scan Role Role which can perform a scan.
SMB TX Function which transmits to a computer and a public folder of
server by converting scanned data to the available file on the
computer.
User Role Necessary role when print, scan, copy, FAX and store of files are
performed.
U.BUILTIN_ADMINISTRATOR
(Built-in administrator)
Role of U.USER
Role given only to the administrator implemented in the TOE
beforehand (built-in administrator).
U.USER_ADMINISTRATOR
(User administrator)
Role of U.USER
Role given by the U.ADMINISTRATOR
Able to operate as this role by being succeed at the login from the
interface for U.USER_ADMINISTRATOR.
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Same as U.BUILTIN_ADMINISTRATOR, excepting the
availability of addition and deletion of the role, and the handling
at the time of failure.
Web Connection Function to change MFP settings and confirm status by using Web
browser of the computer on the network.
WebDAV TX Function which uploads to WebDAV server by converting scanned
data to the available file on the computer.
Remote diagnostic function MFP’s equipment information, such as operating state and the
number of printed sheets, is managed by making use of the
connection by a modem through a port of FAX public line or by E-
mail to communicate with the support center of MFP produced by
KONICA MINOLTA, INC. In addition, if necessary, appropriate
services (shipment of additional toner packages, account claim,
dispatch of service engineers due to the failure diagnosis, etc.) are
provided.
Auto Reset Function which logs out automatically when there is not access for
a period of set time during logging-in.
Auto Reset Time Setup time by administrator. It logs out automatically after this
time passes. Operation from the panel is an object.
Job Document processing task which is sent to hard copy device. Single
processing task can process more than one document.
Enhanced security settings Function to set the setting which is related to the behavior of the
security function, collectively to the secure values and maintain
it. When this function is activated, the use of the update function
of the TOE through the network, the initializing function of the
network setting, and the setting change by remote diagnostic
function are prohibited, or alert screen is displayed when it is
used. The alert screen is displayed when the setting value is
changed. Then, Enhanced security settings become invalid if the
setting value is changed (only administrator can do).
Secure Print
(SECURITY DOCUMENT)
The document which saved in the TOE with the password specified
from the client PC side.
Secure Print Password
(DOC PASSWORD)
Password which is set in secure print.
Password mismatch frequency
threshold
Threshold that administrator sets.
The access to the user box is prohibited when number of
continuous mismatch of user box password and input
password reached this threshold.
The access to the secure print is prohibited when the number of
continuous mismatch of secure print password and input password
reached this threshold.
Annotation User Box User box that is managed by the administrator who sets up the
processing (date, numbering).
When retrieving (print, send) the saved document from the user
box, setup process is added.
Print job input function Function that the TOE receives the User ID, the login password
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and the print data which are sent from client PC. Only when the
identification and authentication of User ID and login password
succeeded, the print data are received.
User box Directory to store documents.
Stored documents include the accumulated documents, and
documents included in the executing job.
User who can save documents and operate, is different according
to a user box.
User box password
(BOX PASSWORD)
Password given to user box.
Password which only U.ADMINISTRATOR can change is shown
as sBOX PASSWORD.
User ID
(User ID)
Identification that is given to a user. The TOE specifies a user by
that identification.
At the external server authentication, this is composed of User ID
+ External server ID.
Temporary suspension and
Release of User ID
Temporary suspension: to temporarily suspend the login of the
considered User ID.
Release: to release the temporary suspension.
User management function Function to perform registration / deletion of user and addition /
deletion / change of the authority.
User authentication function Function to authenticate TOE users.
There are two types. Machine authentication (INTERNALLY
AUTHENTICATION) and External server authentication
(EXTERNALLY AUTHENTICATION).
U.BUILTIN_ADMINISTRATOR is authenticated only by Machine
Authentication.
Management function of User
Authentication
Function which sets authentication methods (MFP
authentication / External server authentication).
Login To identify and authenticate on the TOE by user ID and login
password.
Login Password
(LOGIN PASSWORD)
Password for logging in the TOE.
Encryption passphrase Data which is used for generating encryption key which is used
with HDD encryption. The TOE generates encryption key by using
encryption passphrase.
External server authentication
setting data
Setting data related to the external authentication server.
(Including domain name which external server belongs to)
Audit log management function Function which sets the operation when audit log was full.
Audit log function Function to obtain audit logs.
Operation prohibition release
time of Administrator
authentication
Time until a lock is released, when the number of continuous
authentication failure is reached to the settings and the the
authentication of U.BUILTIN_ADMINISTRATOR is locked.
Bulletin Board User Box User box which accumulates documents for the polling TX (Fax TX
with the request from others.
Trust Channel Function Function to protect transmitting data via LAN by encrypting.
Trust Channel Management Function to perform Trust Channel function, and to manage
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Function cryptographic method.
Residual information deletion
function
Function to delete the data on HDD by HDD data overwrite
deletion function.
Time information Information of time. When any event occurred, the time
information is recorded on audit log.
Auto logout time Time set by administrator. Automatically logs out after the setting
time. Web Connection is an object.
Session Auto terminate function Function to terminate session automatically.
Terminate the session automatically when no operation is
performed for a certain period of time on each of Operation panel,
Web Connection, and Data Administrator.
ID & Print function
(AUTH PRINT)
Function to save the document which has user name and password
which is sent from PC on the network as the directed print
document.
Authentication Failure
Frequency Threshold
Threshold that administrator sets. Authentication function is
locked when number of continuous authentication failure reached
this threshold.
Account Password Password that is managed by the administrator who input at the
initial authentication for external authentication method.
Accumulated document Documents for storing and retrieving (the object of operation by
F.DSR)
1.4.8 User Box
This paragraph describes the user box that the TOE provides. The TOE provides the following
types of User box. (This is categorized based on the characteristic of user box, but this does not
necessarily match to the display on the operation panel. Also, Bulletin Board User Box, etc., exists
other than this, but except the types of user box described here, cannot be used.)
Table 1-6 System User Box
User box Type Description
Secure Print user box User box that stores the secure print.
Memory RX user box User box that stores FAX RX document (Accumulated document).
When Memory RX setting is ON, RX document is saved in the Memory
RX user box. U.ADMINISTRATOR performs the Memory RX setting.
Password Encrypted
PDF used box
User box that stores the encrypted PDF (PDF file that requires
inputting password when it opened.) By specifying the document and
inputting the password, the document can be printed.
ID & Print user box User box that stores documents by ID & Print function
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Table 1-7 Function user box
User box Type Description
Annotation user box User box that is managed by the administrator who can print and send
the stored document data (accumulated document) by the addition of
date/ time and image of filing number.
2 Conformance Claims
2.1 CC Conformance Claim
This ST conforms to the following Common Criteria (hereinafter referred to as “CC”).
CC version : Version 3.1 Release 4
CC conformance : CC Part 2 extended, CC Part 3 conformant
Assurance level : EAL2 augmented by ALC_FLR.2
2.2 PP Claim
This ST conforms to the following PP.
PP name/identification : U.S. Government Approved Protection Profile - U.S. Government
Protection Profile for Hardcopy Devices Version 1.0 (IEEE Std
2600.2™-2009)
Version : 1.0
Notes) This PP conforms to “IEEE Standard Protection Profile for Hardcopy Devices in IEEE Std
2600-2008, Operational Environment B”, published in Common Criteria Portal, and also satisfies
“CCEVS Policy Letter #20”.
2.3 Package Claim
This ST conforms to the following SFR Packages.
-2600.2-PRT Conformant
-2600.2-SCN Conformant
-2600.2-CPY Conformant
-2600.2-FAX Conformant
-2600.2-DSR Conformant
-2600.2-SMI Conformant
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2.3.1 SFR package reference
Title : 2600.2-PRT, SFR Package for Hardcopy Device Print Functions,
Operational Environment B
Package version : 1.0
Date : March 2009
Title : 2600.2-SCN, SFR Package for Hardcopy Device Scan Functions,
Operational Environment B
Package version : 1.0
Date : March 2009
Title : 2600.2-CPY, SFR Package for Hardcopy Device Copy Functions,
Operational Environment B
Package version : 1.0
Date : March 2009
Title : 2600.2-FAX, SFR Package for Hardcopy Device Fax Functions,
Operational Environment B
Package version : 1.0
Date : March 2009
Title : 2600.2-DSR, SFR Package for Hardcopy Device Document
Storage and Retrieval (DSR) Functions, Operational
Environment B
Package version : 1.0
Date : March 2009
Title : 2600.2-SMI, SFR Package for Hardcopy Device Shared-medium
Interface Functions, Operational Environment B
Package version : 1.0
Date : March 2009
2.3.2 SFR Package functions
Functions perform processing, storage, and transmission of data that may be present in HCD
products. The functions that are allowed, but not required in any particular conforming Security
Target or Protection Profile, are listed in Table 2-1.
Table 2-1 SFR Package functions
Designation Definition
F.PRT Printing: a function in which electronic document input is converted to physical document
output
F.SCN Scanning: a function in which physical document input is converted to electronic document
output
F.CPY Copying: a function in which physical document input is duplicated to physical document
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output
F.FAX Faxing: a function in which physical document input is converted to a telephone-based
document facsimile (fax) transmission, and a function in which a telephone-based document
facsimile (fax) reception is converted to physical document output
F.DSR Document storage and retrieval: a function in which a document is stored during one job and
retrieved during one or more subsequent jobs
F.SMI Shared-medium interface: a function that transmits or receives User Data or TSF Data over a
communications medium which, in conventional practice, is or can be simultaneously accessed
by multiple users, such as wired network media and most radio-frequency wireless media
2.3.3 SFR Package attributes
When a function is performing processing, storage, or transmission of data, the identity of the
function is associated with that particular data as a security attribute. This attribute in the TOE
model makes it possible to distinguish differences in Security Functional Requirements that
depend on the function being performed. The attributes that are allowed, but not required in any
particular conforming Security Target or Protection Profile, are listed in Table 2-2.
Table 2-2 SFR Package attributes
Designation Definition
+PRT Indicates data that are associated with a print job.
+SCN Indicates data that are associated with a scan job.
+CPY Indicates data that are associated with a copy job.
+FAXIN Indicates data that are associated with an inbound (received) fax job.
+FAXOUT Indicates data that are associated with an outbound (sent) fax job.
+DSR Indicates data that are associated with a document storage and retrieval job.
+SMI Indicates data that are transmitted or received over a shared-medium interface.
2.4 PP Conformance rationale
2.4.1 Conformance Claim with TOE type of the PP
The product type that the PP intends is Hard Copy Device (Hereinafter referred to as "HCD").
The HCD is a product used for converting hard copy document to digital form (SCAN) or for
converting digital document to hard copy form (PRINT) or for transmitting hard copy document
through the telephone line (FAX), or for generating a copy of hard copy document (COPY).
The HCD is implemented by many different configurations depending on objectives, and in order
to extend a function, there are some which have added hard disk drive, other non-volatile storage
system or document server function, etc.
This TOE type is the MFP. The MFP have devices that the HCD has including additional devices
and functions that the HCD has are installed. Therefore, this TOE type is consistent with the PP's
TOE type.
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2.4.2 Conformance Claim with Security Problem and Security Objectives of the PP
Addition of P.HDD.CRYPTO and O.HDD.CRYPTO
P.HDD.CRYPTO requests to encrypt the data recorded in HDD. This does not give restriction
relating to operational environment, but restricts the TOE. O.HDD.CRYPTO is corresponding
to added OSP and this also does not give restriction relating to operational environment, but
restricts the TOE. Therefore, the ST imposes restriction on the TOE more than the PP and
imposes on TOE’s operational environment equivalent to the PP. This satisfies the conditions
that are equivalent or more restrictive to the PP.
2.4.3 Conformance Claim with Security requirement of the PP
The SFRs of this TOE consist of Common Security Functional Requirements, 2600.2-PRT, 2600.2-
SCN, 2600.2-CPY, 2600.2-FAX, 2600.2-DSR and 2600.2SMI.
Common Security Functional Requirements are mandatory SFRs specified by the PP and 2600.2-
PRT, 2600.2-SCN, 2600.2-CPY, 2600.2-FAX, 2600.2-DSR, and 2600.2-SMI are selected from SFR
Packages specified by the PP.
Security requirements of this ST include the part that is added and fleshed out to security
requirements of the PP, but this is consistent with the PP. The following describes the part that is
added and fleshed out, and the rationale that those are consistent with the PP.
Common Access Control SFP
The PP defines access control relating to Delete and Read of D.DOC that has attributes of
+FAXIN, and Modify and Delete of D.FUNC, but anybody can cancel FAX communication that
the TOE is receiving, without restriction. And so, D.DOC and D.FUNC under receiving are
deleted. However, this is not the process to intend to Delete of D.DOC and D.FUNC and this
is the Delete associated with the cancel of transmission. Other than it is recorded as log, this
does not undermine the requirement of the PP, since this is saved in the user box after
receiving and protected by becoming the object of DSR Access Control SFP. Also, it cannot
Modify D.FUNC of FAX under receiving. This is the access control more restricted than PP.
The TOE defines access control relating to Modify of D.DOC that has attributes of +SCN
and +FAXOUT. This is not defined in the PP, but this restricts deletion with page unit to
U.NORMAL that is the owner of D.DOC. Access control relating to Delete is defined in the PP,
but the TOE provides Delete function with page unit in addition to same access control with
the PP. However, that operation is restricted to owner of D.DOC and this does not relax the
restriction of access control SFP of the PP.
Addition of FAU_SAR.1, FAU_SAR.2, FAU_STG.1, FAU_STG.4(1), FAU_STG.4(2)
This TOE adds FAU_SAR.1, FAU_SAR.2, FAU_STG.1, FAU_STG.4(1) and FAU_STG.4(2) in
accordance with the PP APPLICATION NOTE5 and PP APPLICATION NOTE7 to maintain
and manage the audit log.
Addition of FCS_CKM.1, FCS_COP.1, FIA_SOS.1(2)
This TOE adds O.HDD.CRYPTO as Objectives, and with that, FCS_CKM.1, FCS_COP.1 and
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FIA_SOS.1(2) are added, but this does not mean to change the contents of security
requirements specified by the PP.
Conformance of FDP_ACF.1(a)
FDP_ACF.1 (a) of the PP requires access control SFP that permits access only to his/her own
documents and to his/her own function data. This TOE performs access control based on the
security attributes of D.DOC and D.FUNC, and other than that, D.DOC and D.FUNC that are
saved in the TOE is stored in the user box under protected directory and those are protected
by the access control of user box. Documents accumulated in the user box protected by
password is protected by the user box password, and the user (administrator in this TOE) who
manages user box password is positioned as the owner of D.DOC and D.FUNC in the user box
and it performs access control.
Addition of FIA_AFL.1, FIA_SOS.1(1), FIA_UAU.7
Machine authentication is the function that this TOE implements. In accordance with the
PP APPLICATION NOTE 38, FIA_AFL.1, FIA_SOS.1(1) and FIA_UAU.7 are added.
Addition of FMT_MOF.1
The TOE has the function to enable and disable Enhanced Security Setting. The TOE
requires operating in the state of enabled Enhanced Security Setting by the guidance, and
FMT_MOF.1 restricts the change of Enhanced Security Setting only to U.ADMINISTRATOR
and prevents from unauthorized change of Enhanced Security setting. This is not the change
of content of security requirement specified by the PP.
FMT_MOF.1 restricts the management function about FTP_ITC.1 and the management of
User Authentication function only to U.ADMINISTRATOR and prevents from unauthorized
execution of management function. This is not the change of content of security requirement
specified by the PP.
The management of behavior of “HDD data overwrite deletion function” manages the
behavior of the overwrite deletion function to protect the residual information and this is not
the change of content of security requirement specified by the PP.
The management of behavior of audit function manages the operation at the time of audit
log full and this is not the change of content of security requirement specified by the PP.
Relation between FMT_MSA.1(a), FMT_MSA.1(b) and Objectives
The relationship between these functional requirements and objectives are different from
PP, but this does not change the contents of security requirements specified by the PP. This is
because disclosure and alteration of security attribute based on TSF data, such as attribute of
user box, produces the same result with disclosure and alteration of TSF data itself and
management of a security attribute has the same purpose and effect as protection of TSF data.
Relation between FMT_MTD.1 and Objectives
U.ADMINISTRATOR who has the administrator role of TOE is divided into
U.BUILTIN_ADMINISTRATOR and U.USER_ADMINISTRATOR.
U.BUILTIN_ADMINISTRATOR is the role given only to the administrator implemented in the
TOE beforehand (built-in administrator). U.USER_ADMINISTRATOR is the role given by
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U.BUILTINT_ADMINISTRATOR and U.USER_ADMINISTRATOR. Both are the
administrator role of the TOE and do not conflict with the separation of the authentication of
U.ADMINISTRASTOR and U.NORMAL. This does not change the contents of security
requirements specified by the PP.
3 Security Problem Definition
3.1 Threats agents
This security problem definition addresses threats posed by four categories of threat agents:
a) Persons who are not permitted to use the TOE who may attempt to use the TOE.
b) Persons who are authorized to use the TOE who may attempt to use TOE functions for
which they are not authorized.
c) Persons who are authorized to use the TOE who may attempt to access data in ways for
which they are not authorized.
d) Persons who unintentionally cause a software malfunction that may expose the TOE to
unanticipated threats.
The threats and policies defined in this Protection Profile address the threats posed by these
threat agents.
3.2 Threats to TOE Assets
This section describes threats to assets described in clause in 1.4.6.
Table 3-1 Threats to User Data for the TOE
Threat Affected asset Description
T.DOC.DIS D.DOC User Document Data may be disclosed to unauthorized persons
T.DOC.ALT D.DOC User Document Data may be altered by unauthorized persons
T.FUNC.ALT D.FUNC User Function Data may be altered by unauthorized persons
Table 3-2 Threats to TSF Data for the TOE
Threat Affected asset Description
T.PROT.ALT D.PROT TSF Protected Data may be altered by unauthorized persons
T.CONF.DIS D.CONF TSF Confidential Data may be disclosed to unauthorized persons
T.CONF.ALT D.CONF TSF Confidential Data may be altered by unauthorized persons
3.3 Organizational Security Policies for the TOE
This section describes the Organizational Security Policies (OSPs) that apply to the TOE. OSPs
are used to provide a basis for Security Objectives that are commonly desired by TOE Owners in
this operational environment but for which it is not practical to universally define the assets
being protected or the threats to those assets.
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Table 3-3 Organizational Security Policies for the TOE
Name Definition
P.USER.AUTHORIZATION To preserve operational accountability and security, Users will be
authorized to use the TOE only as permitted by the TOE Owner.
P.SOFTWARE.VERIFICATION To detect corruption of the executable code in the TSF, procedures will
exist to self-verify executable code in the TSF.
P.AUDIT.LOGGING To preserve operational accountability and security, records that provide
an audit trail of TOE use and security-relevant events will be created,
maintained, and protected from unauthorized disclosure or alteration,
and will be reviewed by authorized personnel.
P.INTERFACE.MANAGEMENT To prevent unauthorized use of the external interfaces of the TOE,
operation of those interfaces will be controlled by the TOE and its IT
environment.
P.HDD.CRYPTO The Data stored in an HDD must be encrypted to improve the secrecy.
3.4 Assumptions
The Security Objectives and Security Functional Requirements defined in subsequent sections
of this Protection Profile are based on the condition that all of the assumptions described in this
section are satisfied.
Table 3-4 Assumptions for the TOE
Assumptions Definition
A.ACCESS.MANAGED The TOE is located in a restricted or monitored environment that provides
protection from unmanaged access to the physical components and data interfaces
of the TOE.
A.USER.TRAINING TOE Users are aware of the security policies and procedures of their organization
and are trained and competent to follow those policies and procedures.
A.ADMIN.TRAINING Administrators are aware of the security policies and procedures of their
organization, are trained and competent to follow the manufacturer’s guidance
and documentation, and correctly configure and operate the TOE in accordance
with those policies and procedures.
A.ADMIN.TRUST Administrators do not use their privileged access rights for malicious purposes.
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4 Security Objectives
4.1 Security Objectives for the TOE
This section describes the Security Objectives that the TOE shall fulfill.
Table 4-1 Security Objectives for the TOE
Objective Definition
O.DOC.NO_DIS The TOE shall protect User Document Data from unauthorized disclosure.
O.DOC.NO_ALT The TOE shall protect User Document Data from unauthorized alteration.
O.FUNC.NO_ALT The TOE shall protect User Function Data from unauthorized alteration.
O.PROT.NO_ALT The TOE shall protect TSF Protected Data from unauthorized alteration.
O.CONF.NO_DIS The TOE shall protect TSF Confidential Data from unauthorized disclosure.
O.CONF.NO_ALT The TOE shall protect TSF Confidential Data from unauthorized alteration.
O.USER.AUTHORIZED The TOE shall require identification and authentication of Users and shall
ensure that Users are authorized in accordance with security policies before
allowing them to use the TOE.
O.INTERFACE.MANAGED The TOE shall manage the operation of external interfaces in accordance with
security policies.
O.SOFTWARE.VERIFIED The TOE shall provide procedures to self-verify executable code in the TSF.
O.AUDIT.LOGGED The TOE shall create and maintain a log of TOE use and security-relevant
events and prevent its unauthorized disclosure or alteration.
O.HDD.CRYPTO The TOE shall encrypt data at the time of storing it to an HDD.
4.2 Security Objectives for the IT environment
This section describes the Security Objectives that must be fulfilled by IT methods in the IT
environment of the TOE.
Table 4-2 Security Objectives for the IT environment
Objective Definition
OE.AUDIT_STORAGE.PROTECTED If audit records are exported from the TOE to another trusted IT
product, the TOE Owner shall ensure that those records are
protected from unauthorized access, deletion and modifications.
OE.AUDIT_ACCESS.AUTHORIZED If audit records generated by the TOE are exported from the TOE to
another trusted IT product, the TOE Owner shall ensure that those
records can be accessed in order to detect potential security
violations, and only by authorized persons.
OE.INTERFACE.MANAGED The IT environment shall provide protection from unmanaged access
to TOE external interfaces.
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4.3 Security Objectives for the non-IT environment
This section describes the Security Objectives that must be fulfilled by non-IT methods in the
non-IT environment of the TOE.
Table 4-3 Security Objectives for the non-IT environment
Objective Definition
OE.PHYSICAL.MANAGED The TOE shall be placed in a secure or monitored area that provides
protection from unmanaged physical access to the TOE.
OE.USER.AUTHORIZED The TOE Owner shall grant permission to Users to be authorized to
use the TOE according to the security policies and procedures of their
organization.
OE.USER.TRAINED The TOE Owner shall ensure that Users are aware of the security
policies and procedures of their organization and have the training
and competence to follow those policies and procedures.
OE.ADMIN.TRAINED The TOE Owner shall ensure that TOE Administrators are aware of
the security policies and procedures of their organization; have the
training, competence, and time to follow the manufacturer’s guidance
and documentation; and correctly configure and operate the TOE in
accordance with those policies and procedures.
OE.ADMIN.TRUSTED The TOE Owner shall establish trust that TOE Administrators will
not use their privileged access rights for malicious purposes.
OE.AUDIT.REVIEWED The TOE Owner shall ensure that audit logs are reviewed at
appropriate intervals for security violations or unusual patterns of
activity.
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4.4 Security Objectives rationale
This section demonstrates that each threat, organizational security policy, and assumption are
mitigated by at least one security objective for the TOE, and that those Security Objectives
counter the threats, enforce the policies, and uphold the assumptions.
Table 4-4 Completeness of Security Objectives
Threats, policies, and
assumptions
Objectives
O.DOC.NO_DIS
O.DOC.NO_ALT
O.FUNC.NO_ALT
O.PROT.NO_ALT
O.CONF.NO_DIS
O.CONF.NO_ALT
O.USER.AUTHORIZED
OE.USER.AUTHORIZED
O.SOFTWARE.VERIFIED
O.AUDIT.LOGGED
O.HDD.CRYPTO
OE.AUDIT_STORAGE.PROTECTED
OE.AUDIT_ACCESS.AUTHORIZED
OE.AUDIT.REVIEWED
O.INTERFACE.MANAGED
OE.PHYISCAL.MANAGED
OE.INTERFACE.MANAGED
OE.ADMIN.TRAINED
OE.ADMIN.TRUSTED
OE.USER.TRAINED
T.DOC.DIS X X X
T.DOC.ALT X X X
T.FUNC.ALT X X X
T.PROT.ALT X X X
T.CONF.DIS X X X
T.CONF.ALT X X X
P.USER.AUTHORIZATION X X
P.SOFTWARE.VERIFICATION X
P.AUDIT.LOGGING X X X X
P.INTERFACE.MANAGEMEN
T
X X
P.HDD.CRYPTO X
A.ACCESS.MANAGED X
A.ADMIN.TRAINING X
A.ADMIN.TRUST X
A.USER.TRAINING X
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Table 4-5 Sufficiency of Security Objectives
Threats. Policies,
and assumptions
Summary Objectives and rationale
T.DOC.DIS User Document Data
may be disclosed to
unauthorized persons.
O.DOC.NO_DIS protects D.DOC from
unauthorized disclosure.
O.USER.AUTHORIZED establishes user
identification and authentication as the basis for
authorization.
OE.USER.AUTHORIZED establishes
responsibility of the TOE Owner to appropriately
grant authorization.
T.DOC.ALT User Document Data
may be altered by
unauthorized persons.
O.DOC.NO_ALT protects D.DOC from
unauthorized alteration.
O.USER.AUTHORIZED establishes user
identification and authentication as the basis for
authorization.
OE.USER.AUTHORIZED establishes
responsibility of the TOE Owner to appropriately
grant authorization.
T.FUNC.ALT User Function Data
may be altered by
unauthorized persons.
O.FUNC.NO_ALT protects D.FUNC from
unauthorized alteration.
O.USER.AUTHORIZED establishes user
identification and authentication as the basis for
authorization.
OE.USER.AUTHORIZED establishes
responsibility of the TOE Owner to appropriately
grant authorization.
T.PROT.ALT TSF Protected Data
may be altered by
unauthorized persons.
O.PROT.NO_ALT protects D.PROT from
unauthorized alteration.
O.USER.AUTHORIZED establishes user
identification and authentication as the basis for
authorization.
OE.USER.AUTHORIZED establishes
responsibility of the TOE Owner to appropriately
grant authorization.
T.CONF.DIS TSF Confidential Data
may be disclosed to
unauthorized persons.
O.CONF.NO_DIS protects D.CONF from
unauthorized disclosure.
O.USER.AUTHORIZED establishes user
identification and authentication as the basis for
authorization.
OE.USER.AUTHORIZED establishes
responsibility of the TOE Owner to appropriately
grant authorization
T.CONF.ALT TSF Confidential Data
may be altered by
O.CONF.NO_ALT protects D.CONF from
unauthorized alteration.
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unauthorized persons. O.USER.AUTHORIZED establishes user
identification and authentication as the basis for
authorization.
OE.USER.AUTHORIZED establishes
responsibility of the TOE Owner to appropriately
grant authorization
P.USER.AUTHORIZATION Users will be authorized
to use the TOE
O.USER.AUTHORIZED establishes user
identification and authentication as the basis for
authorization to use the TOE.
OE.USER.AUTHORIZED establishes
responsibility of the TOE Owner to appropriately
grant authorization
P.SOFTWARE.VERIFICATION Procedures will exist to
self- verify executable
code in the TSF.
O.SOFTWARE.VERIFIED provides procedures to
self-verify executable code in the TSF.
P.AUDIT.LOGGING An audit trail of TOE
use and security-
relevant events will be
created, maintained,
protected, and
reviewed.
O.AUDIT.LOGGED creates and maintains a log of
TOE use and security-relevant events and prevents
unauthorized disclosure or alteration.
OE.AUDIT_STORAGE.PROTECTED protects
exported audit records from unauthorized access,
deletion, and modifications.
OE.AUDIT_ACCESS.AUTHORIZED establishes
responsibility of, the TOE Owner to provide
appropriate access to exported audit records.
OE.AUDIT.REVIEWED establishes responsibility
of the TOE Owner to ensure that audit logs are
appropriately reviewed.
P.INTERFACE.MANAGEMENT Operation of external
interfaces will be
controlled by the TOE
and its IT environment.
O.INTERFACE.MANAGED manages the
operation of external interfaces in accordance with
security policies.
OE.INTERFACE.MANAGED establishes a
protected environment for TOE external
interfaces.
P.HDD.CRYPTO Cryptographic
operation will be
controlled by the TOE.
O.HDD.CRYPTO encrypts data stored in HDD by
the TOE.
A.ACCESS.MANAGED The TOE environment
provides protection
from unmanaged access
to the physical
components and data
interfaces of the TOE.
OE.PHYSICAL.MANAGED establishes a
protected physical environment for the TOE.
A.ADMIN.TRAINING TOE Users are aware
of and trained to follow
security policies and
procedures.
OE.ADMIN.TRAINED establishes responsibility
of the TOE Owner to provide appropriate
Administrator training.
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A.ADMIN.TRUST Administrators do not
use their privileged
access rights for
malicious purposes.
OE.ADMIN.TRUSTED establishes responsibility
of the TOE Owner to have a trusted relationship
with Administrators.
A.USER.TRAINING Administrators are
aware of and trained to
follow security policies
and procedures.
OE.USER.TRAINED establishes responsibility of
the TOE Owner to provide appropriate User
training.
5 Extended components definition (APE_ECD)
This Protection Profile defines components that are extensions to Common Criteria 3.1 Revision 2,
Part 2. These extended components are defined in the Protection Profile but are used in SFR
Packages and, therefore, are employed only in TOEs whose STs conform to those SFR Packages.
5.1 FPT_FDI_EXP Restricted forwarding of data to external interfaces
Family behaviour:
This family defines requirements for the TSF to restrict direct forwarding of information from one
external interface to another external interface.
Many products receive information on specific external interfaces and are intended to transform
and process this information before it is transmitted on another external interface. However, some
products may provide the capability for attackers to misuse external interfaces to violate the
security of the TOE or devices that are connected to the TOE’s external interfaces. Therefore, direct
forwarding of unprocessed data between different external interfaces is forbidden unless explicitly
allowed by an authorized administrative role. The family FPT_FDI_EXP has been defined to
specify this kind of functionality.
Component leveling:
FPT_FDI_EXP.1 Restricted forwarding of data to external interfaces provides for the functionality
to require TSF controlled processing of data received over defined external interfaces before these
data are sent out on another external interface. Direct forwarding of data from one external
interface to another one requires explicit allowance by an authorized administrative role.
Management: FPT_FDI_EXP.1
The following actions could be considered for the management functions in FMT:
a) Definition of the role(s) that are allowed to perform the management activities
b) Management of the conditions under which direct forwarding can be allowed by an
administrative role
c) Revocation of such an allowance
FPT_FDI_EXP.1 Restricted forwarding of data to external interfaces 1
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Audit: FPT_FDI_EXP.1
The following actions should be auditable if FAU_GEN Security Audit Data Generation is included
in the PP/ST:
There are no auditable events foreseen.
Rationale:
Quite often, a TOE is supposed to perform specific checks and process data received on one external
interface before such (processed) data are allowed to be transferred to another external interface.
Examples are firewall systems but also other systems that require a specific work flow for the
incoming data before it can be transferred. Direct forwarding of such data (i.e., without processing
the data first) between different external interfaces is therefore a function that—if allowed at all—
can only be allowed by an authorized role.
It has been viewed as useful to have this functionality as a single component that allows specifying
the property to disallow direct forwarding and require that only an authorized role can allow this.
Since this is a function that is quite common for a number of products, it has been viewed as useful
to define an extended component.
The Common Criteria defines attribute-based control of user data flow in its FDP class. However,
in this Protection Profile, the authors needed to express the control of both user data and TSF data
flow using administrative control instead of attribute-based control. It was found that using
FDP_IFF and FDP_IFC for this purpose resulted in SFRs that were either too implementation-
specific for a Protection Profile or too unwieldy for refinement in a Security Target. Therefore, the
authors decided to define an extended component to address this functionality.
This extended component protects both user data and TSF data, and it could therefore be placed
in either the FDP or FPT class. Since its purpose is to protect the TOE from misuse, the authors
believed that it was most appropriate to place it in the FPT class. It did not fit well in any of the
existing families in either class, and this lead the authors to define a new family with just one
member.
FPT_FDI_EXP.1 Restricted forwarding of data to external interfaces
Hierarchical to: No other components
Dependencies: FMT_SMF.1 Specification of Management Functions
FMT_SMR.1 Security roles
FPT_FDI_EXP.1.1 The TSF shall provide the capability to restrict data received on [assignment:
list of external interfaces] from being forwarded without further processing
by the TSF to [assignment: list of external interfaces].
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6 Security Requirements
In this chapter, the security requirements are described.
6.1 Security functional requirements
In this chapter, the TOE security functional requirements for achieving the security objectives
specified in Chapter 4.1 are described. This is quoted from the security functional requirements
specified in the CC Part 2. The security functional requirements which are not specified in the
CC Part 2 are quoted from the extended security functional requirements specified in the PP
(IEEE Std 2600.2-2009).
< Method of specifying security functional requirement "Operation" >
In the following description, when items are indicated in “bold,” it means that they are
completed or refined. When items are indicated in "italic" and "bold," it means that they are
assigned or selected. When items are indicated in "italic" and "bold" with parenthesis right after
the underlined original sentences, it means that the underlined sentences are refined. A number
in the parentheses after a label means that the functional requirement is used repeatedly.
6.1.1 Class FAU: Security audit
FAU_GEN.1 Audit data generation
Hierarchical to : No other components
Dependencies : FPT_STM.1 Reliable time stamps
FAU_GEN.1.1 The TSF shall be able to generate an audit record of the following auditable events:
- Start-up and shutdown of the audit functions;
- All auditable events for the [selection, choose one of: minimum, basic, detailed, not
specified] level of audit; and
- All Auditable Events as each is defined for its Audit Level (if one is specified) for the
Relevant SFR in Table 6-1; [assignment: other specifically defined auditable events]
[selection, choose one of: minimum, basic, detailed, not specified]
not specified
[assignment: other specifically defined auditable events]
None
FAU_GEN.1.2 The TSF shall record within each audit record at least the following information:
- Date and time of the event, type of event, subject identity (if applicable), and the
outcome (success or failure) of the event; and
- For each audit event type, based on the auditable event definitions of the functional
components included in the PP/ST, for each Relevant SFR listed in Table 6-1: (1) the
information as defined by its Audit Level (if one is specified), and (2) all Additional
Information (if any is required); [assignment: other audit relevant information]
[assignment: other audit relevant information]
None
Table 6-1 Audit data requirements
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Auditable event Relevant SFR Audit level Additional
information
Details
Unsuccessful use
of the
authentication
mechanism
FIA_UAU.1 Minimum None required -Failure of login
The reaching of
the threshold for
the unsuccessful
authentication
attempts and the
actions (e.g.
disabling of a
terminal) taken
and the
subsequent, if
appropriate,
restoration to the
normal state (e.g.
re-enabling of a
terminal).
FIA_AFL.1 Minimum None required -Suspension of authentication
-Recovery to normal state
Unsuccessful use
of the
identification
mechanism
FIA_UID.1 Minimum Attempted user
identity, if
available
-Failure of login
Use of the
management
functions
FMT_SMF.1 Minimum None required Use of the management functions
Modifications to
the group of
users that are
part of a role
FMT_SMR.1 Minimum None required No record because no group of users
as a role does not exist.
Failure of the
trusted channel
functions
FTP_ITC.1 Minimum None required Failure of the trusted channel
functions
Changes to the
time
FPT_STM.1 Minimum None required changes to the time
FAU_GEN.2 User identity association
Hierarchical to : No other components
Dependencies : FAU_GEN.1 Audit data generation
FIA_UID.1 Timing of identification
FAU_GEN.2.1 For audit events resulting from actions of identified users, the TSF shall be able to
associate each auditable event with the identity of the user that caused the event.
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FAU_SAR.1 Audit review
Hierarchical to : No other components
Dependencies : FAU_GEN.1 Audit data generation
FAU_SAR.1.1 The TSF shall provide [assignment: authorised users] with the capability to read
[assignment: list of audit information] from the audit records.
[assignment: authorised users]
U.ADMINISTRATOR
[assignment: list of audit information]
Audit log indicated in Table 6-1
FAU_SAR.1.2 The TSF shall provide the audit records in a manner suitable for the user to interpret
the information.
FAU_SAR.2 Restricted audit review
Hierarchical to : No other components
Dependencies : FAU_SAR.1 Audit review
FAU_SAR.2.1 The TSF shall prohibit all users read access to the audit records, except those users
that have been granted explicit read-access.
FAU_STG.1 Protected audit trail storage
Hierarchical to : No other components
Dependencies : FAU_GEN.1 Audit data generation
FAU_STG.1.1 The TSF shall protect the stored audit records in the audit trail from unauthorized
deletion.
FAU_STG.1.2 The TSF shall be able to [selection, choose one of: prevent, detect] unauthorised
modifications to the stored audit records in the audit trail.
[selection, choose one of: prevent, detect]
prevent
FAU_STG.4(1) Prevention of audit data loss
Hierarchical to : FAU_STG.3 Action in case of possible audit data loss
Dependencies : FAU_STG.1 Protected audit trail storage
FAU_STG.4.1 The TSF shall [selection, choose one of: “ignore audited events”, “prevent audited
events, except those taken by the authorised user with special rights”, “overwrite the
oldest stored audit records”] and [assignment: other actions to be taken in case of
audit storage failure] if the audit trail is full (if the audit trail is full, in the state
where operation when the audit trail was full was set as "overwrite prohibition").
[selection, choose one of: “ignore audited events”, “prevent audited events, except those
taken by the authorised user with special rights”, “overwrite the oldest stored audit
records”]
ignore audited events
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[assignment: other actions to be taken in case of audit storage failure]
Suspend acceptance of jobs
FAU_STG.4(2) Prevention of audit data loss
Hierarchical to : FAU_STG.3 Action in case of possible audit data loss
Dependencies : FAU_GEN.1 Audit data generation
FAU_STG.4.1 The TSF shall [selection, choose one of: “ignore audited events”, “prevent audited
events, except those taken by the authorised user with special rights”, “overwrite the
oldest stored audit records”] and [assignment: other actions to be taken in case of
audit storage failure] if the audit trail is full (if the audit trail is full, in the state
where operation when the audit trail was full was set as "overwrite permission").
[selection, choose one of: “ignore audited events”, “prevent audited events, except those
taken by the authorised user with special rights”, “overwrite the oldest stored audit
records”]
overwrite the oldest stored audit records
[assignment: other actions to be taken in case of audit storage failure]
None
6.1.2 Class FCS: Cryptographic support
FCS_CKM.1 Cryptographic key generation
Hierarchical to : No other components.
Dependencies : [FCS_CKM.2 Cryptographic key distribution, or
FCS_COP.1 Cryptographic operation]
FCS_CKM.4 Cryptographic key destruction
FCS_CKM.1.1 The TSF shall generate cryptographic keys (cryptographic keys for HDD encryption)
in accordance with a specified cryptographic key generation algorithm [assignment:
cryptographic key generation algorithm] and specified cryptographic key sizes
[assignment: cryptographic key sizes] that meet the following: [assignment: list of
standards].
[assignment: cryptographic key generation algorithm]
refer to Table 6-2
[assignment: cryptographic key sizes]
refer to Table 6-2
[assignment: list of standards]
refer to Table 6-2
Table 6-2 Cryptographic key algorithm key size
list of standards cryptographic key generation algorithm key sizes
Konica Minolta Encryption
specification standard
Konica Minolta HDD Encryption Key Generation
Algorithm
-256 bit
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FCS_COP.1 Cryptographic operation
Hierarchical to : No other components
Dependencies : [FDP_ITC.1 Import of user data without security attributes,
or
FDP_ITC.2 Import of user data with security attributes, or
FCS_CKM.1 Cryptographic key generation]
FCS_CKM.4 Cryptographic key destruction
..FCS_COP.1.1 The TSF shall perform [assignment: list of cryptographic operations] in accordance
with a specified cryptographic algorithm [assignment: cryptographic algorithm] and
cryptographic key sizes [assignment: cryptographic key sizes] that meet the following:
[assignment: list of standards].
[assignment: list of cryptographic operations]
refer to Table 6-3
[assignment: cryptographic algorithm]
refer to Table 6-3
[assignment: cryptographic key sizes]
refer to Table 6-3
[assignment: list of standards]
refer to Table 6-3
Table 6-3 Cryptographic operations algorithm key size standards
Standard cryptographic
algorithm
key sizes cryptographic operations
FIPS PUB197 AES -256 bit Encrypt HDD
6.1.3 Class FDP: User data protection
FDP_ACC.1(a) Subset access control
Hierarchical to : No other components
Dependencies : FDP_ACF.1 Security attribute based access control
FDP_ACC.1.1(a) The TSF shall enforce the Common Access Control SFP in Table 17 (Access Control
SFP in Table 6-4,Table 6-5,Table 6-6,Table 6-7,Table 6-8,Table 6-9) on the list of users
as subjects, objects, and operations among subjects and objects covered by the
Common Access Control SFP in Table 17 (the list of users as subjects, objects, and
operations among subjects and objects covered by the Access Control SFP in Table
6-4,Table 6-5,Table 6-6,Table 6-7,Table 6-8,Table 6-9).
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Table 6-4 Common Access Control SFP
Object Attribute Operation(s) Subject Subject
Attribute
Access control
rule
Function
Attribute
Object
Attribute
D.DOC +SCN
+CPY
+FAXOUT
User ID Delete U.NORMAL User ID Operation is
permitted, only
when User ID
matches.
D.FUNC +PRT Box Type
User ID
Modify
Delete
U.NORMAL User ID Operation is
permitted, only
to the one whose
user ID matches,
when Box Type is
not Secure print
user box.
Box Type
DOC
PASSWORD
Modify
Delete
U.NORMAL DOC
PASSWORD
Operation is
permitted, only
when DOC
PASSWORD
matches, when
Box Type is
Secure print user
box.
+CPY
+SCN
+FAXOUT
User ID Modify
Delete
U.NORMAL User ID Operation is
permitted, only
when User ID
matches.
+DSR
+FAXIN
Box Type
sBOX
PASSWORD
Delete U.NORMAL sBOX
PASSWORD
Operation is
permitted, only
when sBOX
PASSWORD
matches, when
Box Type is
Memory RX user
box.
+DSR Box Type
sBOX
PASSWORD
Modify
Delete
U.NORMAL sBOX
PASSWORD
Operation is
permitted, only
when sBOX
PASSWORD
matches, when
Box Type is
Annotation user
box.
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Table 6-5 PRT Access Control SFP
Object Attribute Operation(s) Subject Subject
Attribute
Access control rule
Function
Attribute
Object
Attribute
D.DOC +PRT Box Type
User ID
Read
Delete
U.NORMAL User ID Operation is
permitted only to
the one whose user
ID matches, when
Box Type is not
Secure Print user
box.
Box Type
DOC
PASSWORD
Read
Delete
U.NORMAL DOC
PASSWORD
Operation is
permitted, only
when DOC
PASSWORD
matches, when Box
Type is Secure print
user box.
※It is specified by referring to BOX TYPE, since DOC PASSWORD is added corresponding
to BOX TYPE.
Table 6-6 SCN Access Control SFP
Object Attribute Operation(s) Subject Subject
Attribute
Access control rule
Function
Attribute
Object
Attribute
D.DOC +SCN User ID Read
Modify
U.NORMAL User ID Operation is
permitted only to
the one whose user
ID matches.
Table 6-7 CPY Access Control SFP
Object Attribute Operation(s) Subject Subject
Attribute
Access control rule
Function
Attribute
Object
Attribute
D.DOC +CPY User ID Read U.NORMAL User ID Operation is
permitted only to
the one whose user
ID matches.
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Table 6-8 FAX Access Control SFP
Object Attribute Operation(s) Subject Subject
Attribute
Access control rule
Function
Attribute
Object
Attribute
D.DOC + FAXIN Box Type
sBox PASSWORD
Delete
Read
U.NORMAL sBOX PASSWORD Operation is
permitted, only when
sBOX PASSWORD
matches, when Box
Type is Memory RX
user box.
+FAXOUT User ID Read
Modify
U.NORMAL User ID Operation is
permitted only to the
one whose user ID
matches.
Table 6-9 DSR Access Control SFP
Object Attribute Operation(s) Subject Subject
Attribute
Access control rule
Function
Attribute
Object
Attribute
D.DOC +DSR Box Type
sBOX
PASSWORD
Delete
Read
U.NORMAL sBOX
PASSWORD
Operation is
permitted, only
when sBOX
PASSWORD
matches, when Box
Type is annotation
user box.
Operation is
permitted, only
when sBOX
PASSWORD
matches, when Box
Type is Memory RX
user box.
FDP_ACC.1(b) Subset access control
Hierarchical to : No other components
Dependencies : FDP_ACF.1 Security attribute based access control
FDP_ACC.1.1(b) The TSF shall enforce the TOE Function Access Control SFP (TOE Function Access
Control SFP in Table 6-10) on users as subjects, TOE functions as objects, and the
right to use the functions as operations (the list of users as subjects, objects, and
operations among subjects and objects covered by the TOE Function Access Control
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SFP in Table 6-10).
Table 6-10 TOE Function Access Control SFP
Object
(TOE
Function)
Object
Attribute
Operation(s) Subject Subject
Attribute
Access control rule
F.PRT Permission
Role
Execution U.NORMAL Allocation Role Execution of the
function is permitted,
when Allocation Role
that is a Subject
includes Permission
Role that is an Object.
F.SCN Permission
Role
Execution U.NORMAL Allocation Role Execution of the
function is permitted,
when Allocation Role
that is a Subject
includes Permission
Role that is an Object.
F.CPY Permission
Role
Execution U.NORMAL Allocation Role Execution of the
function is permitted,
when Allocation Role
that is a Subject
includes Permission
Role that is an Object.
F.FAX Permission
Role
Execution U.NORMAL Allocation Role Execution of the
function is permitted,
when Allocation Role
that is a Subject
includes Permission
Role that is an Object.
F.DSR Permission
Role
Execution U.NORMAL Allocation Role Execution of the
function is permitted,
when Allocation Role
that is a Subject
includes Permission
Role that is an Object.
FDP_ACF.1(a) Security attribute based access control
: Hierarchical to : No other components
Dependencies : FDP_ACC.1 Subset access control
FMT_MSA.3 Static attribute initialisation
FDP_ACF.1.1(a) The TSF shall enforce the Common Access Control SFP in Table 17 (Access Control
SFP in Table 6-4, Table 6-5, Table 6-6, Table 6-7, Table 6-8, Table 6-9) to objects based
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on the following: the list of users as subjects and objects controlled under the Common
Access Control SFP in Table 17, and for each, the indicated security attributes in Table
17 (the list of users as subjects and objects controlled under the Access Control SFP in
Table 6-4, Table 6-5, Table 6-6, Table 6-7, Table 6-8, Table 6-9 and for each, the
indicated security attributes in Table 6-4, Table 6-5, Table 6-6, Table 6-7, Table 6-8,
Table 6-9) .
FDP_ACF.1.2(a) The TSF shall enforce the following rules to determine if an operation among
controlled subjects and controlled objects is allowed: rules specified in the Common
Access Control SFP in Table 17 governing access among controlled users as subjects
and controlled objects using controlled operations on controlled objects (rules
specified in the Document Access Control SFP in Table 6-4,Table 6-5,Table 6-6,Table
6-7,Table 6-8,Table 6-9 governing access among controlled users as subjects and
controlled objects using controlled operations on controlled objects) .
FDP_ACF.1.3(a) The TSF shall explicitly authorize access of subjects to objects based on the following
additional rules: [assignment: rules, based on security attributes, that explicitly
authorize access of subjects to objects].
[assignment: rules, based on security attributes, that explicitly authorize access of
subjects to objects]
- U.ADMINISTRATOR can delete all D.DOC and D.FUNC.
- Anybody can Delete by cancelling FAX communication during
receiving all D_DOC and D_FUNC which have +FAXIN attribute.
FDP_ACF.1.4(a) The TSF shall explicitly deny access of subjects to objects based on the [assignment:
rules, based on security attributes, that explicitly deny access of subjects to objects].
[assignment: rules, based on security attributes, that explicitly deny access of subjects
to objects].
- The access to the user box is prohibited when number of continuous mismatch of
sBOX PASSWORD reached the administrator configurable positive integer within
1-3.
- The access to the secure print is prohibited when number of continuous mismatch of
DOC PASSWORD reached the administrator configurable positive integer within
1-3.
FDP_ACF.1(b) Security attribute based access control
Hierarchical to : No other components
Dependencies : FDP_ACC.1 Subset access control
FMT_MSA.3 Static attribute initialisation
FDP_ACF.1.1(b) The TSF shall enforce the TOE Function Access Control SFP (TOE Function Access
Control SFP in Table 6-10) to objects based on the following: users and [assignment:
list of TOE functions and the security attribute(s) used to determine the TOE
Function Access Control SFP].
[assignment: list of TOE functions and the security attribute(s) used to determine the
TOE Function Access Control SFP]
the list of users as subjects and objects controlled under the TOE Function Access
Control SFP in Table 6-10, and for each, the indicated security attributes in Table 6-10
FDP_ACF.1.2(b) The TSF shall enforce the following rules to determine if an operation among
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controlled subjects and controlled objects is allowed: [selection: the user is explicitly
authorized by U.ADMINISTRATOR to use a function, a user that is authorized to use
the TOE is automatically authorized to use the functions [assignment: list of
functions], [assignment: other conditions]].
[selection: the user is explicitly authorized by U.ADMINISTRATOR to use a function,
a user that is authorized to use the TOE is automatically authorized to use the
functions [assignment: list of functions], [assignment: other conditions]]
[assignment: other conditions]
Table 6-10
FDP_ACF.1.3(b) The TSF shall explicitly authorise access of subjects to objects based on the following
additional rules: the user acts (receives a fax document) in the role
U.ADMINISTRATOR: [assignment: other rules, based on security attributes, that
explicitly authorise access of subjects to objects].
[assignment: other rules, based on security attributes, that explicitly authorise access
of subjects to objects].
None
FDP_ACF.1.4(b) The TSF shall explicitly deny access of subjects to objects based on the [assignment:
rules based on security attributes that explicitly deny access of subjects to objects].
The TSF shall explicitly deny access of subjects to objects based on the [assignment:
rules based on security attributes that explicitly deny access of subjects to objects].
None
FDP_RIP.1 Subset residual information protection
Hierarchical to : No other components
Dependencies : No dependencies
FDP_RIP.1.1 The TSF shall ensure that any previous information content of a resource is made
unavailable upon the [selection: allocation of the resource to, deallocation of the
resource from] the following objects: D.DOC, [assignment: list of objects].
[selection: allocation of the resource to, deallocation of the resource from]
deallocation of the resource from
[assignment: list of objects].
None
6.1.4 Class FIA: Identification and authentication
FIA_AFL.1 Authentication failure handling
Hierarchical to : No other components
Dependencies : FIA_UAU.1 Timing of authentication
FIA_AFL.1.1 The TSF shall detect when [selection: [assignment: positive integer number], an
administrator configurable positive integer within[assignment: range of acceptable
values]] unsuccessful authentication attempts occur related to [assignment: list of
authentication events].
[selection: [assignment: positive integer number], an administrator configurable
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positive integer within[assignment: range of acceptable values]]
an administrator configurable positive integer within[assignment: range of acceptable
values]
[assignment: range of acceptable values]
1～3
[assignment: list of authentication events]
Authentication of login password
FIA_AFL.1.2 When the defined number of unsuccessful authentication attempts has been
[selection: met, surpassed], the TSF shall [assignment: list of actions].
[selection: met, surpassed]
met, surpassed
[assignment: list of actions]
Suspend authentication by login password
＜Operation for recovering the normal condition＞
Authentication of U.BUILTIN_ADMINISTRATOR: Perform the boot process of the
TOE. (Release process is performed after time set in the release time
setting of operation prohibition for Administrator authentication
passed by the boot process.)
Other (include U.USER_ADMINISTRATOR): Execute the delete function of
authentication failure frequency by U.ADMINISTRATOR, who is
not in the authentication stopped state.
FIA_ATD.1 User attribute definition
Hierarchical to : No other components
Dependencies : No dependencies
FIA_ATD.1.1 The TSF shall maintain the following list of security attributes belonging to individual
users: [assignment: list of security attributes].
[assignment: list of security attributes].
User ID
Allocation Role
Role
FIA_SOS.1(1) Verification of secrets
Hierarchical to : No other components
Dependencies : No dependencies
FIA_SOS.1.1(1) The TSF shall provide a mechanism to verify that secrets (Login password, Secure
print password) meet [assignment: a defined quality metric].
[assignment: a defined quality metric]
-Number of characters : 8 or more characters
-Character type : possible to choose from 94 or more characters
-Rule : (1) Do not compose by only one and the same character.
(2) Do not set the same password as the current setting after change.
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FIA_SOS.1(2) Verification of secrets
Hierarchical to : No other components
Dependencies : No dependencies
FIA_SOS.1.1(2) The TSF shall provide a mechanism to verify that secrets (Encryption passphrase)
meet [assignment: a defined quality metric].
[assignment: a defined quality metric]
-Number of characters : 20 characters
-Character type : possible to choose from 83 or more characters
-Rule : (1)Do not compose by only one and the same character
(2)Do not the same password as the current setting after
change
FIA_UAU.1 Timing of authentication
Hierarchical to : No other components
Dependencies : FIA_UID.1 Timing of identification
FIA_UAU.1.1 The TSF shall allow [assignment: list of TSF-mediated actions that do not conflict
with access-controlled Functions of the TOE] on behalf of the user to be performed
before the user is authenticated.
[assignment: list of TSF-mediated actions that do not conflict with access-controlled
Functions of the TOE]
Confirm the suspended state of user’s use in MFP authentication
Receive Fax
Set the TOE status confirmation and display, etc.
FIA_UAU.1.2 The TSF shall require each user to be successfully authenticated before allowing any
other TSF-mediated actions on behalf of that user.
FIA_UAU.7 Protected authentication feedback
Hierarchical to : No other components
Dependencies : FIA_UAU.1 Timing of authentication
FIA_UAU.7.1 The TSF shall provide only [assignment: list of feedback] to the user while the
authentication is in progress.
[assignment: list of feedback]
Display “*” every character data input.
FIA_UID.1 Timing of identification
Hierarchical to : No other components
Dependencies : No dependencies
FIA_UID.1.1 The TSF shall allow [assignment: list of TSF-mediated actions that do not conflict
with access-controlled Functions of the TOE] on behalf of the user to be performed
before the user is identified.
[assignment: list of TSF-mediated actions that do not conflict with access-controlled
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Functions of the TOE]
Confirm the suspended state of user’s use in MFP authentication
Receive RX
Set the TOE status confirmation and display, etc.
FIA_UID.1.2 The TSF shall require each user to be successfully identified before allowing any other
TSF-mediated actions on behalf of that user.
FIA_USB.1 User-subject binding
Hierarchical to : No other components
Dependencies : FIA_ATD.1 User attribute definition
FIA_USB.1.1 The TSF shall associate the following user security attributes with subjects acting on
the behalf of that user: [assignment: list of user security attributes].
[assignment: list of user security attributes].
User ID
Allocation Role
Role
FIA_USB.1.2 The TSF shall enforce the following rules on the initial association of user security
attributes with the subjects acting on behalf of users: [assignment: rules for the initial
association of attributes].
[assignment: rules for the initial association of attributes]
None
FIA_USB.1.3 The TSF shall enforce the following rules governing changes to the user security
attributes with the subjects acting on behalf of users: [assignment: rules for the
changing of attributes].
[assignment: rules for the changing of attributes]
None
6.1.5 Class FMT: Security management
FMT_MOF.1 Management of security functions behaviour
Hierarchical to : No other components
Dependencies : FMT_SMR.1 Security roles
FMT_SMF.1 Specification of Management Functions
FMT_MOF.1.1 The TSF shall restrict the ability to [selection: determine the behaviour of,
disable, enable, modify the behaviour of] the functions [assignment: list of
functions] to [assignment: the authorised identified roles].
[selection: determine the behaviour of, disable, enable, modify the behaviour of]
modify the behaviour of
[assignment: list of functions]
- Enhanced Security Setting
- User Authentication function
- HDD data overwrite deletion function
- Audit Log function
- Trusted Channel function
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[assignment: the authorised identified roles].
U.ADMINISTRATOR
FMT_MSA.1(a) Management of security attributes
Hierarchical to : No other components
Dependencies : [FDP_ACC.1 Subset access control, or
FDP_IFC.1 Subset information flow control]
FMT_SMR.1 Security roles
FMT_SMF.1 Specification of Management Functions
FMT_MSA.1.1(a) The TSF shall enforce the Common Access Control SFP in Table 17 (Access Control
SFP in Table 6-4, Table 6-5, Table 6-6, Table 6-7, Table 6-8, and Table
6-9),[assignment: access control SFP(s), information flow control SFP(s)] to restrict
the ability to [selection: change_default, query, modify, delete, [assignment: other
operations]] the security attributes [assignment: list of security attributes] to
[assignment: the authorized identified roles].
[assignment: access control SFP(s), information flow control SFP(s)]
None
[selection: change_default, query, modify, delete, [assignment: other operations]]
Refer to Table 6-11, Table 6-12
[assignment: list of security attributes]
Refer to Table 6-11, Table 6-12
[assignment: the authorized identified roles]
Refer to Table 6-11, Table 6-12
Table 6-11 Management of Object Security Attribute
Access Control SFP Object Security
Attribute
Authorized Identified Roles Operations
Common Access Control SFP
PRT Access Control SFP
SCN Access Control SFP
CPY Access Control SFP
FAX Access Control SFP
User ID Nobody Any operation
FAX Access Control SFP Box Type
sBOX PASSWORD
-U.ADMINISTRATOR Modify and
Delete
sBOX
PASSWORD,
when Box Type is
Memory RX user
box.
Box Type
sBOX PASSWORD U.ADMINISTRATOR
Modify and
Delete
PRT Access Control SFP DOC PASSWORD Nobody Any operation
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DSR Access Control SFP Box Type
sBOX PASSWORD
-U.ADMINISTRATOR Modify and
Delete
sBOX
PASSWORD,
when Box Type is
Annotation user
box.
Box Type
sBOX PASSWORD
U.ADMINISTRATOR Modify and
Delete
sBOX
PASSWORD,
when Box Type is
Memory RX user
box.
Table 6-12 Management of Subject Security Attribute
Access Control SFP Subject Security
Attribute
Authorized Identified Roles Operations
Common Access Control SFP
PRT Access Control SFP
SCN Access Control SFP
CPY Access Control SFP
FAX Access Control SFP
DSR Access Control SFP
User ID U.ADMINISTRATOR Create
Delete
Modify
Suspend temporarily
Release
PRT Access Control SFP DOC
PASSWORD
Nobody Any operation
FAX Access Control SFP
DSR Access Control SFP
sBOX
PASSWORD
Nobody Any operation
* U.Administrator sets sBOX PASSWORD. Operator inputs (sets) DOC PASSWORD.
FMT_MSA.1(b) Management of security attributes
Hierarchical to : No other components
Dependencies :
[FDP_ACC.1 Subset access control, or
FDP_IFC.1 Subset information flow control]
FMT_SMR.1 Security roles
FMT_SMF.1 Specification of Management Functions
FMT_MSA.1.1(b) The TSF shall enforce the TOE Function Access Control SFP, [assignment: access
control SFP(s), information flow control SFP(s)] to restrict the ability to [selection:
change_default, query, modify, delete, [assignment: other operations]] the security
attributes [assignment: list of security attributes] to [assignment: the authorised
identified roles].
[assignment: access control SFP(s), information flow control SFP(s)]
None
[selection: change_default, query, modify, delete, [assignment: other operations]]
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Refer to Table 6-13, Table 6-14
[assignment: list of security attributes]
Refer to Table 6-13, Table 6-14
[assignment: the authorised identified roles]
Refer to Table 6-13, Table 6-14
Table 6-13 Management of Subject Attribute
Access Control SFP Subject Security
Attribute
Authorized Identified Roles Operations
TOE Function Access
Control SFP
Allocation Role U.ADMINISTRATOR Delete
Modify
Table 6-14 Management of Object Attribute
Access Control SFP Object Security
Attribute
Authorized Identified Roles Operations
TOE Function Access
Control SFP
Permission Role Nobody Any operation
FMT_MSA.3(a) Static attribute initialisation
Hierarchical t : No other components
Dependencies: : FMT_MSA.1 Management of security attributes
FMT_SMR.1 Security roles
FMT_MSA.3.1(a) The TSF shall enforce the Common Access Control SFP in Table 17 (Access Control
SFP in Table 6-4, Table 6-5, Table 6-6, Table 6-7, Table 6-8, Table 6-9), [assignment:
access control SFP, information flow control SFP] to provide [selection, choose one of:
restrictive, permissive, [assignment: other property]] default values for security
attributes that are used to enforce the SFP.
[assignment: access control SFP, information flow control SFP]
None
[selection, choose one of: restrictive, permissive, [assignment: other property]]
default values for security attributes that are used to enforce the SFP.
[assignment: other property]
refer to Table 6-15
FMT_MSA.3.2(a) The TSF shall allow the [assignment: the authorized identified roles] to specify
alternative initial values to override the default values when an object or
information is created.
[assignment: the authorized identified roles]
nobody
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Table 6-15 Characteristics Static Attribute Initialization
Access
Control
SFP
Object Function
Attribute
Object
Attribute
Default values for Object
Security Attribute
Common
Access
Control
SFP
D.DOC +SCN
+CPY
+FAXOUT
User ID User ID of U.NORMAL who
created the left Object
D.FUNC +PRT
+CPY
+SCN
+FAXOUT
User ID User ID of U.NORMAL who
created the left Object
+DSR
+FAXIN
Box Type sBOX PASSWORD Box Type and sBOX PASSWORD
of the user box, when the object
is saved in the Annotation user
box or Memory RX user box.
PRT
Access
Control
SFP
D.DOC
D.FUNC
+PRT Box Type User ID Box Type is Password Encrypted
PDF user box, if it’s the object of
password encrypted PDF. If it’s
the object of ID & Print, Box
Type is ID & Print user box.
User ID is the User ID of
U.NORMAL who executed
printing
DOC PASSWORD Box Type is Secure Print user
box, when the object is secure
print. DOC PASSWORD is the
password that is input at the
time of generating the object.
SCN
Access
Control
SFP
D.DOC +SCN User ID User ID of U.NORMAL who
created the left Object
CPY
Access
Control
SFP
D.DOC +CPY User ID User ID of U.NORMAL who
created the left Object
FAX
Access
Control
SFP
D.DOC +FAXOUT User ID User ID of U.NORMAL who
created the left Object
+FAXIN Box Type sBOX PASSWORD Box Type and sBOX PASSWORD
of the user box (Memory RX user
box), that is the storage of the
object.
DSR
Access
Control
D.DOC +DSR Box Type sBOX PASSWORD Box Type and sBOX PASSWORD
of the user box (Annotation user
box), that is the storage of the
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SFP object.
* Multiple Function Attributes are not given at the same time since it is given corresponding to the
functions (print, scan, etc.) that generate objects.
FMT_MSA.3(b) Static attribute initialisation
Hierarchical to : No other components
Dependencies: : FMT_MSA.1 Management of security attributes
FMT_SMR.1 Security roles
FMT_MSA.3.1(b) The TSF shall enforce the TOE Function Access Control Policy (TOE Function
Access Control SFP), [assignment: access control SFP, information flow control
SFP] to provide [selection, choose one of: restrictive, permissive, [assignment:
other property]] default values for security attributes that are used to enforce
the SFP.
[assignment: access control SFP, information flow control SFP]
None
[selection, choose one of: restrictive, permissive, [assignment: other property]]
[assignment: other property]]
Refer to Table 6-16
FMT_MSA.3.2(b) The TSF shall allow the [assignment: the authorized identified roles] to specify
alternative initial values to override the default values when an object or
information is created.
[assignment: the authorized identified roles]
nobody
Table 6-16 Characteristics Static Attribute Initialization
Object
(TOE
Function)
Object
Attribute
Characteristics which restricts access only to Subject which
any of the following attributes
F.PRT Permission Role Print Role
F.SCN Permission Role Scan Role
F.CPY Permission Role Copy Role
F.FAX Permission Role Fax Role
F.DSR Permission Role DSR Role
FMT_MTD.1 Management of TSF data
Hierarchical to : No other components
Dependencies: : FMT_SMR.1 Security roles
FMT_SMF.1 Specification of Management Functions
FMT_MTD.1.1(a) The TSF shall restrict the ability to [selection: change_default, query, modify, delete,
clear, [assignment: other operations]] the [assignment: list of TSF data] to [selection,
choose one of: Nobody, [selection: U.ADMINISTRATOR, [assignment: the authorized
identified roles except U.NORMAL]]].
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[selection: change_default, query, modify, delete, clear, [assignment: other
operations]]
refer to Table 6-17
[assignment: other operations]
refer to Table 6-17
[assignment: list of TSF data]
refer to Table 6-17
[selection, choose one of: Nobody, [selection: U.ADMINISTRATOR, [assignment: the
authorized identified roles except U.NORMAL]]]
refer to Table 6-17
FMT_MTD.1.1(b) The TSF shall restrict the ability to [selection: change_default, query, modify,
delete, clear, [assignment: other operations]] the [assignment: list of TSF data
associated with a U.NORMAL or TSF Data associated with documents or jobs
owned by a U.NORMAL] to [selection, choose one of: Nobody, [selection:
U.ADMINISTRATOR, the U.NORMAL to whom such TSF data are associated]].
[selection: change_default, query, modify, delete, clear, [assignment: other
operations]]
refer to Table 6-18
[assignment: list of TSF data associated with a U.NORMAL or TSF Data associated
with documents or jobs owned by a U.NORMAL]
refer to Table 6-18
selection, choose one of: Nobody, [selection: U.ADMINISTRATOR, the U.NORMAL
to whom such TSF data are associated]]
refer to Table 6-18
Table 6-17 Operation of TSF Data
TSF Data Authorized Identification Roles Operations
Login password of
U.BUILTIN_ADMINISTRATOR
U.BUILTIN_ADMINISTRATOR Modify
Encryption Passphrase U.ADMINISTRATOR Set
Modify
Time Information U.ADMINISTRATOR Modify
Auto Reset Time U.ADMINISTRATOR Modify
Auto logout time U.ADMINISTRATOR Modify
Authentication Failure Frequency Threshold U.ADMINISTRATOR Modify
Number of Authentication Failure (except
U.BUILTIN_ADMINISTRATOR)
U.ADMINISTRATOR Clear
Password mismatch frequency threshold U.ADMINISTRATOR Modify
Number of Password mismatch U.ADMINISTRATOR Clear
Password rule U.ADMINISTRATOR Modify
External server authentication setting data U.ADMINISTRATOR Register
Modify
Release time of operation prohibition for
Administrator authentication
U.ADMINISTRATOR Modify
Network Settings U.ADMINISTRATOR Register
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Modify
Transmission address setting U.ADMINISTRATOR Register
Modify
Table 6-18 Operation of TSF Data
TSF Data Authorized Identification Roles Operations
Login Password of
U.NORMAL
U.ADMINISTRATOR Register
U.ADMINISTRATOR Modify
User who is related with the password
(U.NORMAL)
Role U.ADMINISTRATOR Addition and Deletion of
U.USER_ADMINISTRATOR
FMT_SMF.1 Specification of Management Functions
Hierarchical to : No other components
Dependencies: : No dependencies
FMT_SMF.1.1 The TSF shall be capable of performing the following management functions:
[assignment: list of management functions to be provided by the TSF].
[assignment: list of management functions to be provided by the TSF]
refer to Table 6-19
Table 6-19 list of management functions
management functions
Management function of Enhanced Security Setting by U.ADMINISTRATOR
Management function of User Authentication function by U.ADMINISTRATOR
Operation setting function of HDD data overwrite deletion function by U.ADMINISTRATOR
Audit log management function by U.ADMINISTRATOR
Trusted Channel management function by U.ADMINISTRATOR
User management function by U.ADMINISTRATOR
Temporary suspension and Release function of User ID of U.NORMAL by U.ADMINISTRATOR
Registration and modification function of U.NORMAL’s login password by U.ADMINISTRATOR
Modification function of one’s own login password by U.NORMAL
Modification function of one’s own login password by U.BUILTIN_ADMINISTRATOR
Setting and modification function of encryption passphrase by U.ADMINISTRATOR
Modification function of date and time information by U.ADMINISTRATOR
Modification function of auto reset time by U.ADMINISTRATOR
Modification function of auto logout time by U.ADMINISTRATOR
Modification function of Authentication failure frequency threshold by U.ADMINISTRATOR
Registration and modification function of External server authentication setting data by
U.ADMINISTRATOR
Modification function of release time of operation prohibition of administrator authentication by
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U.ADMINISTRATOR
Deletion function of Password mismatch frequency by U.ADMINISTRATOR
Modification function of Password mismatch frequency threshold by U.ADMINISTRATOR
Deletion function of Authentication failure frequency (except administrator) by U.ADMINISTRATOR
Modification function of Password policy by U.ADMINISTRATOR
Registration and Modification function of Network setting by U.ADMINISTRATOR
Registration and Modification function of transmission address by U.ADMINISTRATOR
Management function of Object security attributes (except User ID, Box Type, DOC PASSWORD) by
U.ADMINISTRATOR
Management function of Subject security attributes (except object of management by user management
function, Temporary suspension and release of User ID, sBOX PASSWORD, DOC PASSWORD) by
U.ADMINISTRATOR
Management function of Role (except Role of U.BUILTIN_ADMINISTRATOR) by U.ADMINISTRATOR
FMT_SMR.1 Security roles
Hierarchical to : No other components
Dependencies: : FIA_UID.1 Timing of identification
FMT_SMR.1.1 The TSF shall maintain the roles U.ADMINISTRATOR, U.NORMAL, [selection:
Nobody, [assignment: the authorised identified roles]].
[selection: Nobody, [assignment: the authorised identified roles]]
Nobody
FMT_SMR.1.2 The TSF shall be able to associate users with roles, except for the role “Nobody” to
which no user shall be associated.
6.1.6 Class FPT: Protection of the TSF
FPT_FDI_EXP.1 Restricted forwarding of data to external interfaces
Hierarchical to : No other components
Dependencies: : FMT_SMF.1 Specification of Management Functions
FMT_SMR.1 Security roles
FPT_FDI_EXP.1.1 The TSF shall provide the capability to restrict data received on any external
Interface from being forwarded without further processing by the TSF to any Shared-
medium Interface.
FPT_STM.1 Reliable time stamps
Hierarchical to : No other components
Dependencies: : No dependencies
FPT_STM.1.1 TSF shall be able to provide reliable time stamps.
FPT_TST.1 TSF testing
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Hierarchical to : No other components
Dependencies: : No dependencies
FPT_TST.1.1 The TSF shall run a suite of self tests [selection: during initial start-up, periodically
during normal operation, at the request of the authorised user, at the conditions
[assignment: conditions under which self test should occur]] to demonstrate the
correct operation of [selection: [assignment: parts of TSF], the TSF].
[selection: during initial start-up, periodically during normal operation, at the
request of the authorised user, at the conditions [assignment: conditions under
which self test should occur]]
during initial start-up
[selection: [assignment: parts of TSF], the TSF]
[assignment: parts of TSF]
HDD Encryption Function
TSF executable code
FPT_TST.1.2 The TSF shall provide authorised users with the capability to verify the integrity of
[selection: [assignment: parts of TSF], TSF data].
[selection: [assignment: parts of TSF], TSF data].
[assignment: parts of TSF]
Encryption passphrase
FPT_TST.1.3 The TSF shall provide authorised users with the capability to verify the integrity of
stored TSF executable code.
6.1.7 Class FTA: TOE access
FTA_SSL.3 TSF-initiated termination
Hierarchical to : No other components
Dependencies: : No dependencies
FTA_SSL.3.1 The TSF shall terminate an interactive session after a [assignment: time interval
of user inactivity].
[assignment: time interval of user inactivity]
- Time decided by the auto reset time in case of operation panel.
- Time decided by auto logout time in case of Web Connection
- 60 minutes in case of Data Administrator
- No interactive session in case of printer driver or fax.
6.1.8 Class FTP: Trusted path/channels
FTP_ITC.1 Inter-TSF trusted channel
Hierarchical to : No other components
Dependencies: : No dependencies
FTP_ITC.1.1 The TSF shall provide a communication channel between itself and another trusted
IT product that is logically distinct from other communication channels and provides
assured identification of its end points and protection of the communicated data from
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modification or disclosure.
FTP_ITC.1.2 The TSF shall permit the TSF, another trusted IT product to initiate communication
via the trusted channel.
FTP_ITC.1.3 The TSF shall initiate communication via the trusted channel for communication of
D.DOC, D.FUNC, D.PROT, and D.CONF over any Shared-medium Interface.
6.2 Security assurance requirements
Table 6-20 lists the security assurance requirements for 2600.2-PP, Protection Profile for
Hardcopy Devices, Operational Environment B, and related SFR packages, EAL 2 augmented by
ALC_FLR.2.
Table 6-20 IEEE 2600.2 Security Assurance Requirements
Assurance class Assurance components
ADV: Development ADV_ARC.1 Security architecture description
ADV_FSP.2 Security-enforcing functional specification
ADV_TDS.1 Basic design
AGD: Guidance documents AGD_OPE.1 Operational user guidance
AGD_PRE.1 Preparative procedures
ALC: Life-cycle support ALC_CMC.2 Use of a CM system
ALC_CMS.2 Parts of the TOE CM coverage
ALC_DEL.1 Delivery procedures
ALC_FLR.2 Flaw reporting procedures (augmentation of EAL2)
ASE: Security Target evaluation ASE_CCL.1 Conformance claims
ASE_ECD.1 Extended components definition
ASE_INT.1 ST introduction
ASE_OBJ.2 Security objectives
ASE_REQ.2 Derived security requirements
ASE_SPD.1 Security problem definition
ASE_TSS.1 TOE summary specification
ATE: Tests ATE_COV.1 Evidence of coverage
ATE_FUN.1 Functional testing
ATE_IND.2 Independent testing—sample
AVA: Vulnerability assessment AVA_VAN.2 Vulnerability analysis
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6.3 Security requirements rationale
6.3.1Common security requirements rationale
Table 6-21 and Table 6-22 demonstrate the completeness and sufficiency of SFRs that fulfill the
objectives of the TOE. Bold typeface items provide principal (P) fulfillment of the objectives, and
normal typeface items provide supporting (S) fulfillment.
Table 6-21 Completeness of security requirements
SFRs
Objectives
O.DOC.NO_DIS
O.DOC.NO_ALT
O.FUNC.NO_ALT
O.PROT.NO_ALT
O.CONF.NO_DIS
O.CONF.NO_ALT
O.USER.AUTHORIZED
O.INTERFACE.MANAGED
O.SOFTWARE.VERIFIED
O.AUDIT.LOGGED
O.HDD.CRYPTO
FAU_GEN.1 P
FAU_GEN.2 P
FAU_SAR.1 P
FAU_SAR.2 P
FAU_STG.1 P
FAU_STG.4(1) P
FAU_STG.4(2) P
FCS_CKM.1 P
FCS_COP.1 P
FDP_ACC.1(a) P P P
FDP_ACC.1(b) P
FDP_ACF.1(a) S S S
FDP_ACF.1(b) S
FDP_RIP.1 P
FIA_AFL.1 S S
FIA_ATD.1 S
FIA_SOS.1(1) S S S S S
FIA_SOS.1(2) S
FIA_UAU.1 P P
FIA_UAU.7 S S
FIA_UID.1 S S S S S S P P S S
FIA_USB.1 P
FMT_MOF.1 S S S S S S S S S S
FMT_MSA.1(a) S S S P P P
FMT_MSA.1(b) P S
FMT_MSA.3(a) S S S
FMT_MSA.3(b) S
FMT_MTD.1 P P P S
FMT_SMF.1 S S S S S S S S S S
FMT_SMR.1 S S S S S S S S
FPT_FDI_EXP.1 P
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SFRs
Objectives
O.DOC.NO_DIS
O.DOC.NO_ALT
O.FUNC.NO_ALT
O.PROT.NO_ALT
O.CONF.NO_DIS
O.CONF.NO_ALT
O.USER.AUTHORIZED
O.INTERFACE.MANAGED
O.SOFTWARE.VERIFIED
O.AUDIT.LOGGED
O.HDD.CRYPTO
FPT_STM.1 S
FPT_TST.1 P
FTA_SSL.3 P P
FTP_ITC.1 P P P P P P
Table 6-22 Sufficiency of security requirements
Objectives Description SFRs Purpose
O.DOC.NO_DIS,
O.DOC.NO_ALT,
O.FUNC.NO_ALT
Protection of User
Data from
unauthorized
disclosure or
alteration
FDP_ACC.1(a) Enforces protection by establishing
an access control policy.
FDP_ACF.1(a) Supports access control policy by
providing access control function.
FIA_UID.1 Supports access control and security
roles by requiring user identification.
FMT_MOF.1 Supports protection by management
of security functions behavior.
FMT_MSA.1(a) Supports access control function by
enforcing control of security
attributes.
FMT_MSA.3(a) Supports access control function by
enforcing control of security
attribute defaults.
FMT_SMF.1 Supports control of security
attributes by requiring functions to
control attributes.
FMT_SMR.1 Supports control of security
attributes by requiring security
roles.
FTP_ITC.1 Enforces protection by requiring the
use of trusted channels for
communication of data over Shared-
medium Interfaces.
FIA_SOS.1(1) Supports authorization by requiring
by specification of secrets.
O.DOC.NO_DIS Protection of User FDP_RIP.1 Enforces protection by making
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Document Data
from unauthorized
disclosure
residual data unavailable.
O.PROT.NO_ALT, Protection of TSF
Data from
unauthorized
alteration
FIA_UID.1 Supports access control and security
roles by requiring user
identification.
FMT_MOF.1 Supports protection by management
of security functions behavior.
FMT_MSA.1(a) Supports access control function by
enforcing control of security
attributes.
FMT_MSA.1(b) Supports access control function by
enforcing control of security
attributes.
FMT_MTD.1 Enforces protection by restricting
access.
FMT_SMF.1 Supports control of security
attributes by requiring functions to
control attributes.
FMT_SMR.1 Supports control of security
attributes by requiring security
roles.
FTP_ITC.1 Enforces protection by requiring the
use of trusted channels for
communication of data over Shared-
medium Interfaces.
O.CONF.NO_DIS,
O.CONF.NO_ALT
Protection of TSF
Data from
unauthorized
disclosure or
alteration
FIA_UID.1 Supports access control and security
roles by requiring user
identification.
FMT_MOF.1 Supports protection by management
of security functions behavior.
FMT_MSA.1(a) Supports access control function by
enforcing control of security
attributes.
FMT_MTD.1 Enforces protection by restricting
access.
FMT_SMF.1 Supports control of security
attributes by requiring functions to
control attributes.
FMT_SMR.1 Supports control of security
attributes by requiring security
roles.
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FTP_ITC.1 Enforces protection by requiring the
use of trusted channels for
communication of data over Shared-
medium Interfaces.
O.USER_AUTHORIZED Authorization of
Normal Users and
Administrators to
use the TOE
FDP_ACC.1(b) Enforces authorization by
establishing an access control policy.
FDP_ACF.1(b) Supports access control policy by
providing access control function.
FIA_AFL.1 Enforces authorization by requiring
access control.
FIA_ATD.1 Supports authorization by
associating security attributes with
users.
FIA_SOS.1(1) Supports authorization by requiring
by specification of secrets.
FIA_UAU.1 Enforces authorization by requiring
user authentication.
FIA_UAU.7 Enforces authorization by requiring
user authentication.
FIA_UID.1 Enforces authorization by requiring
user identification.
FIA_USB.1 Enforces authorization by
distinguishing subject security
attributes associated with user roles.
FMT_MOF.1 Supports protection by management
of security functions behavior.
FMT_MSA.1(b) Supports access control function by
enforcing control of security
attributes.
FMT_MSA.3(b) Supports access control function by
enforcing control of security attribute
defaults.
FMT_SMF.1 Supports control of security
attributes by requiring functions to
control attributes.
FMT_SMR 1 Supports authorization by requiring
security roles.
FTA_SSL.3 Enforces authorization by
terminating inactive sessions.
O.INTERFACE.MANAGED Management of
external interfaces
FIA_AFL.1 Enforces authorization by requiring
access control.
FIA_SOS.1(1) Supports authorization by requiring
by specification of secrets.
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FIA_UAU.1 Enforces management of external
interfaces by requiring user
authentication.
FIA_UAU.7 Enforces authorization by requiring
user authentication.
FIA_UID.1 Enforces management of external
interfaces by requiring user
authentication.
FMT_MOF.1 Supports protection by management
of security functions behavior.
FMT_SMF 1 Supports control of security
attributes by requiring functions to
control attributes.
FPT_FDI_EXP.1 Enforces management of external
interfaces by requiring (as needed)
administrator control of data
transmission from external
Interfaces to Shared-medium
Interfaces.
FTA_SSL.3 Enforces management of external
interfaces by terminating inactive
sessions.
O.SOFTWARE.VERIFIED Verification of
software integrity
FPT_TST.1 Enforces verification of software by
requiring self-tests.
O.AUDIT.LOGGED Logging and
authorized access
to audit events
FAU_GEN.1 Enforces audit policies by requiring
logging of relevant events.
FAU_GEN.2 Enforces audit policies by requiring
logging of information associated
with audited events.
FAU_SAR.1 Enforces audit policies by providing
security audit record.
FAU_SAR.2 Enforces audit policies by restricting
reading of security audit records.
FAU_STG.1 Enforces audit policies by protecting
from unauthorised deletion and/or
modification.
FAU_STG.4(1) Enforces audit policies by preventing
audit data loss.
FAU_STG.4(2) Enforces audit policies by preventing
audit data loss.
FIA_UID.1 Enforces management of external
interfaces by requiring user
authentication.
FMT_MOF.1 Supports protection by management
of security functions behavior.
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FMT_SMF 1 Supports control of security
attributes by requiring functions to
control attributes.
FPT_STM.1 Supports audit policies by requiring
time stamps associated with events.
O.HDD.CRYPTO The encryption of
data
FCS_CKM.1 Generates encryption key
FCS_COP.1 Encrypts
FIA_SOS.1(2) Verifies the quality of the data which
is the source of the encryption key
FIA_UID.1 Enforces authorization by requiring
user identification.
FMT_MOF.1 Supports protection by management
of security functions behavior.
FMT_MTD.1 Enforces protection by restricting
access.
FMT_SMF.1 Supports control of security
attributes by requiring functions to
control attributes.
FMT_SMR.1 Supports authorization by requiring
security roles.
6.3.1.1 The dependencies of security requirements
The dependencies of the security functional requirements components are shown in the following
table. When dependencies specified in the CC Part 2 are not satisfied, the rationale is provided in
the section for the “Dependencies Relation in this ST.”
Table 6-23 The dependencies of security requirements
Functional
Requirements
Component for
this ST
Dependencies on CC Part2 Dependencies Relation in this ST
FAU_GEN.1 FPT_STM.1 FPT_STM.1
FAU_GEN.2
FAU_GEN.1
FIA_UID.1
FAU_GEN.1
FIA_UID.1
FAU_SAR.1 FAU_GEN.1 FAU_GEN.1
FAU_SAR.2 FAU_SAR.1 FAU_SAR.1
FAU_STG.1 FAU_GEN.1 FAU_GEN.1
FAU_STG.4(1) FAU_STG.1 FAU_STG.1
FAU_STG.4(2) FAU_STG.1 FAU_STG.1
FCS_CKM.1
[FCS_CKM.2 or FCS_COP.1]
FCS_CKM.4
FCS_COP.1
<The rationale not to apply FCS_CKM.4>
The encryption key is used for encrypting HDD data
and generated when turning the power ON. The
generated key is stored in the volatile memory, but
there is no necessity to consider the encryption key
destruction since no external interface to access this
key is not provided and the physical access to the
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Functional
Requirements
Component for
this ST
Dependencies on CC Part2 Dependencies Relation in this ST
memory is limited in the operational environment.
FCS_COP.1
[FDP_ITC.1 or FDP_ITC.2
or FCS_CKM.1]
FCS_CKM.4
FCS_CKM.1
<The rationale not to apply FCS_CKM.4>
The encryption key is used for encrypting HDD data
and generated when turning the power ON. The
generated key is stored in the volatile memory, but
there is no necessity to consider the encryption key
destruction since no external interface to access this
key is not provided and the physical access to the
memory is limited in the operational environment.
FDP_ACC.1(a) FDP_ACF.1 FDP_ACF.1(a)
FDP_ACC.1(b) FDP_ACF.1 FDP_ACF.1(b)
FDP_ACF.1(a)
FDP_ACC.1
FMT_MSA.3
FDP_ACC.1(a)
FMT_MSA.3(a)
FDP_ACF.1(b)
FDP_ACC.1
FMT_MSA.3
FDP_ACC.1(b)
FMT_MSA.3(b)
FDP_RIP.1 None N/A
FIA_AFL.1 FIA_UAU.1 FIA_UAU.1
FIA_ATD.1 None N/A
FIA_SOS.1(1) None N/A
FIA_SOS.1(2) None N/A
FIA_UAU.1 FIA_UID.1 FIA_UID.1
FIA_UAU.7 FIA_UAU.1 FIA_UAU.1
FIA_UID.1 None N/A
FIA_USB.1 FIA_ATD.1 FIA_ATD.1
FMT_MOF.1
FMT_SMR.1
FMT_SMF.1
FMT_SMR.1
FMT_SMF.1
FMT_MSA.1(a)
[FDP_ACC.1 orFDP_IFC.1]
FMT_SMR.1
FMT_SMF.1
FDP_ACC.1(a)
FMT_SMR.1
FMT_SMF.1
FMT_MSA.1(b)
[FDP_ACC.1 orFDP_IFC.1]
FMT_SMR.1
FMT_SMF.1
FDP_ACC.1(b)
FMT_SMR.1
FMT_SMF.1
FMT_MSA.3(a)
FMT_MSA.1
FMT_SMR.1
FMT_MSA.1(a)
FMT_SMR.1
FMT_MSA.3(b)
FMT_MSA.1
FMT_SMR.1
FMT_MSA.1(b)
FMT_SMR.1
FMT_MTD.1
FMT_SMR.1
FMT_SMF.1
FMT_SMR.1
FMT_SMF.1
FMT_SMF.1 None N/A
FMT_SMR.1 FIA_UID.1 FIA_UID.1
FPT_STM.1 None N/A
FPT_TST.1 None N/A
FTA_SSL.3 None N/A
FTP_ITC.1 None N/A
FPT_FDI_EXP.1
FMT_SMF.1
FMT_SMR.1
FMT_SMF.1
FMT_SMR.1
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6.3.2 Security assurance requirements rationale
This Protection Profile has been developed for Hardcopy Devices to be used in commercial
information processing environments that require a moderate level of document security, network
security, and security assurance. The TOE will be exposed to only a low level of risk because it is
assumed that the TOE will be located in a restricted or monitored environment that provides
almost constant protection from unauthorized and unmanaged access to the TOE and its data
interfaces. Agents cannot physically access any nonvolatile storage without disassembling the
TOE except for removable nonvolatile storage devices, where protection of User and TSF Data
are provided when such devices are removed from the TOE environment. Agents have limited or
no means of infiltrating the TOE with code to effect a change, and the TOE self-verifies its
executable code to detect unintentional malfunctions. As such, the Evaluation Assurance Level 2
is appropriate.
EAL 2 is augmented with ALC_FLR.2, Flaw reporting procedures. ALC_FLR.2 ensures that
instructions and procedures for the reporting and remediation of identified security flaws are in
place, and their inclusion is expected by the consumers of this TOE.
7 TOE Summary specification
The list of the TOE security functions led from the TOE security functional requirements is
shown in Table 7-1. The detail is explained in the paragraph described below.
Table 7-1 Names and identifiers of TOE Security Functions
No. TOE Security Function
1 F.AUDIT Audit log function
2 F.HDD_ENCRYPTION HDD encryption function
3 F.ACCESS_DOC Accumulated documents access control function
4 F.ACCESS_FUNC User restriction control function
5 F.RIP Residual information deletion function
6 F.I&A Identification and Authentication function
7 F.SEPARATE_EX_INTERFACE External interface separation function
8 F.SELF_TEST Self-test function
9 F.MANAGE Management function
10 F.SEUCRE_LAN Network protection function
7.1 F.AUDIT (Audit log function)
F.AUDIT acquires audit log and also protects the acquired audit log against alteration and
disclosure.
7.1.1Audit log acquirement function
- Corresponding functional requirements: FAU_GEN.1, FAU_GEN.2
The TOE generates the following log.
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Table 7-2 Audit Log
Events Log
Start of Audit log acquirement function Date/time of events
Identification information of events
Identification information of subjects
Result of the events (Success or failure)
End of Audit log acquirement function
Failure of login operation
Authentication Suspension
Recover from authentication suspension state
Use of management function of Table 6-19
Failure of communication through the network
Change of time information
7.1.2 Audit Log Review Function
- Corresponding functional requirements: FAU_SAR.1, FAU_SAR.2, FAU_STG.1
The TOE restricts reading and deletion of audit log only to U.ADMINISTRATOR with
prohibiting the change of it. The TOE prevents the change of the audit log with providing the
function of reading the audit log to client PC and deleting to U.ADMINISTRATOR
7.1.3 Audit storage function
- Corresponding functional requirements: FAU_STG.4(1) , FAU_STG.4(2)
The TOE stores the audit log in the HDD of the TOE, but the following process is performed
when the storage area became full.
(1)When “Restriction of overwriting” is set,
the acceptance of jobs is suspended, and the audit log is not stored.
(2)When “Permission of overwriting” is set,
the oldest stored audit log is overwritten.
The settings of (1) and (2) are performed by U.ADMINISTRATOR.
7.1.4Trusted time stamp function
- Corresponding functional requirements: FPT_STM.1, FMT_MTD.1
The TOE has clock function and provides U.ADMINISTRATOR with the function to modify
TOE time. Only U.ADMINISTRATOR can change the time information by FMT_MTD.1. The
TOE issues time stamp of clock function at the time of audit log generation and records as the
audit log.
7.2 F.HDD_ENCRYPTION (HDD Encryption function)
- Corresponding functional requirements: FCS_CKM.1, FCS_COP.1, FIA_SOS.1(2)
The TOE performs encryption to protect data stored in HDD against unauthorized disclosure.
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Used encryption key and algorithm are as follows.
(1) Encryption Key
Encryption key is generated by Konica Minolta HDD encryption key generation algorism
that Konica Minolta encryption specification standard defines. (Encryption key length is 256
bit.)
Unique encryption key for each TOE is generated by generating it based on the
encryption passphrase set by U.ADMINISTRATOR. Only encryption passphrase that
satisfies the following qualities is accepted.
 Number of characters: 20 characters
 Character type: possible to choose from 83 or more characters
 Rule:
Do not compose by only one and the same character.
Do not set the same value as the current setting after change.
(2) Encryption Algorithm
Encryption algorithm is shown in Table 7-3.
Table 7-3 Encryption Algorithm in HDD Encryption function
Encryption Key
sizes
Encryption Algorithm
256 bit Encryption algorithm which conforms to FIPS
PUB197 (AES)
7.3 F.ACCESS_DOC (Accumulated documents access control function)
- Corresponding functional requirements: FDP_ACC.1(a), FDP_ACF.1(a)
The TOE accumulates documents in the Memory RX user box and Annotation user box. The
access of accumulated documents are controlled by referring to the user box attributes (this is
considered as the attribute of documents existing in the used box). And then, this can perform
edit (rotate, delete of page, etc.), print, FAX TX, e-mail TX, etc.
The following shows the details of access control of documents in the user box.
Table 7-4 Operation of document in the System user box
User box
Operation of documents in the User box
Modify read Delete
Memory RX
User Box
Saves FAX RX documents. sBOX
PASSWORD is given to FAX RX
documents.
X box_passwd
box_passwd
or
U.ADMIN
Table 7-5 Details of Operation of document in the System user box
User box
Details of Operation of documents in the User box
Print FAX RX E-mail
Memory RX User Box V V V
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* U.ADMIN Represent that U. ADMINISTRATOR can operate.
box_passwd : Represent that only when password that matches to sBOX PASSWORD is
input, it can be operated.
Table 7-6 Operation for documents in the function user box
User box
Operation to documents in User Box
modify read Delete
Annotation
User Box
sBox PASSWORD is given
to saved D.DOC sbox_passwd sbox_passwd
sbox_passwd
or
U.ADMIN
Table 7-7 Details of Operation for documents in the function user box
User box
Details of Operation of documents in the User box
Rotate Print FAX TX E-mail TX
Annotation User Box V V X V
* U.NORMAL : Represent that U.NORMAL can operate.
U.ADMIN : Represent that U. ADMINISTRATOR can operate.
sbox_passwd : Represent that only when password that matches to sBOX PASSWORD is
input, it can be operated.
Also, the access to the user box is prohibited when number of continuous mismatch of sBOX
PASSWORD reached the administrator configurable positive integer within 1-3.
7.4 F.ACCESS_FUNC (User restriction control function)
- Corresponding functional requirements: FDP_ACC.1(a), FDP_ACF.1(a), FDP_ACC.1(b),
FDP_ACF.1(b), FMT_MSA.1(b)
The TOE permits the operation of F.PRT, F.SCN, F.CPY, F.FAX and F.DSR, and the operation of
Shared-medium interface necessary to it, according to the result of the comparison between
Allocation Role of identified and authenticated user, and Permission Role of the function. Also,
operation to Permission Role which is these attributes cannot be performed. Identified and
authenticated user can perform only function that is permitted to oneself.
Also, following operations are available to D.DOC and D.FUNC (Except accumulated
documents. Described in 7.3 about the accumulated documents) which occur during execution of
functions.
Performed user is the user who has same User ID with the User ID of D.DOC and D.FUNC of
operation objects.
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-In case of PRINT
Following operations are possible
-Print
ID & Print user box, Password Encrypted PDF user box
U.NORMAL that performed that printing can print.
-Secure print user box
U.NORMAL that input the password that matches to the secure print password, set in the
document, can print.
The access to the document (secure print) is prohibited when number of continuous
mismatch of Secure print password reached the administrator configurable positive integer
within 1-3.
-Preview
ID & Print user box
U.NORMAL that performed that printing can preview.
Secure print user box
U.NORMAL that input the password that matches to the secure print password,
set in the document, can preview.
-Delete
ID & Print user box, Password encrypted PDF user box
U.NORMAL and U.ADMINISTRATOR that performed that printing can delete.
Secure print user box
U.NORRMAL and U.ADMINISTRATOR that input the password that matches to
the secure print password, set in the document, can delete.
-Edit of D.FUNC
ID & Print user box
U.NORMAL that performed that printing can perform edit of image shift and
overlay.
-In case of SCAN
A preview is possible. Following operations are possible in the preview.
-Edit of D.FUNC
U.NORMAL that performed that scanning can rotate by page.
-Edit of D.DOC
U.NORMAL that performed that scanning can delete by page.
Scanned original data can be sent by e-mail and can be saved in user box. The waiting state
of transmitting might occur, but in that case, the following operations are possible.
-Delete
U.NORMAL and U.ADMINISTRATOR that performed that scanning can delete the job
that is waiting state of transmitting.
-In case of COPY
Following operations are possible.
- Print
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U.NORMAL that performed that copying can print.
- Preview
U.NORMAL that performed that copying can preview.
Also, following operations are possible in the preview.
- Edit of D.FUNC
U.NORMAL that performed that copying can rotate the output by page.
- Delete
U.NORMAL and U.ADMINISTRATOR that performed that copying can delete the job.
-In case of FAX RX
U.USER can cancel FAX under receiving.
D.DOC received by FAX is saved in the user box.
-In case of FAX TX
A preview is possible. Following operations are possible in the preview.
-Edit of D.FUNC
U.NORMAL that performed that FAX TX can rotate by page.
-Delete
U.NORMAL and U.ADMINISTRATOR that performed that FAX TX can delete the job.
-Edit of D.DOC
U.NORMAL that performed that FAX TX can delete by page.
7.5 F.RIP (Residual information deletion function)
7.5.1 Temporary Data Deletion Function
- Corresponding functional requirement: FDP_RIP.1
The TOE prevents to reuse the residual information by overwriting and deleting the deleted
document, the temporary document or its parts in HDD. This function is performed at the
following timing.
(1) When a job such as print or scan is completed or suspended.
Delete the temporary document or its parts which is generated during job execution.
(2) When the deleting operation is performing.
Delete the specified document.
(3) When the residual information exists at the time of turning on the power.
When the power is turned off during deletion of (1) or (2) and the deletion was not
completed with the residual information, this deletes them at the time of the power ON.
U.ADMINISTRATOR sets the overwriting data and the frequency of overwriting, by the
operation setting function of the HDD data overwrite deletion function. The possible settings and
its details are as follows.
Table 7-8 Operation Settings of Overwrite Deletion function of Temporary data
Setting Contents (Overwritten data type and its order)
Mode:1 Overwrite once with 0x00
Mode:2 Overwrite with 0x00, 0xFF, 0x61 in this order and Verify the result.
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7.5.2 Data Complete Deletion Function
- Corresponding functional requirements: FDP_RIP.1, FDP_ACF.1(a)
U.ADMINISTRATOR can perform overwriting and deleting to the data area including image
data in HDD. This deletes document in HDD and prevents to reuse the residual information.
U.ADMINISTRATOR sets the overwriting data and the frequency of overwriting, by the
operation setting function of the HDD data overwrite deletion function. The possible settings and
its details are as follows.
Table 7-9 Operation settings of Data Complete Deletion Function
Method Overwritten data type and their order
Mode:1 0x00
Mode:2 Random numbers ⇒ Random numbers ⇒ 0x00
Mode:3 0x00 ⇒ 0xFF ⇒ Random numbers ⇒ Verification
Mode:4 Random numbers ⇒ 0x00 ⇒ 0xFF
Mode:5 0x00 ⇒ 0xFF ⇒ 0x00 ⇒ 0xFF
Mode:6 0x00 ⇒ 0xFF ⇒ 0x00 ⇒ 0xFF ⇒ 0x00 ⇒ 0xFF ⇒ Random numbers
Mode:7 0x00 ⇒ 0xFF ⇒ 0x00 ⇒ 0xFF ⇒ 0x00 ⇒ 0xFF ⇒ 0xAA
Mode:8 0x00 ⇒ 0xFF ⇒ 0x00 ⇒ 0xFF ⇒ 0x00 ⇒ 0xFF ⇒ 0xAA ⇒ Verification
7.6 F.I&A (Identification and authentication function)
- Corresponding functional requirements: FIA_AFL.1, FIA_ATD.1, FIA_SOS.1(1),
FIA_UAU.1, FIA_UAU.7, FIA_UID.1, FIA_USB.1, FTA_SSL.3
The TOE verifies that person who tries to use the TOE is the authorized user by using the
identification and authentication information obtained from the user, and permits the use of the
TOE only to the person who was determined as the authorized user. Identification and
authentication function has the machine authentication method that the TOE itself identifies and
authenticates, and the external server authentication method that uses external authentication
server. When it is external server authentication method, it sends the input user ID to the
external authentication server, and decrypts the returned credential by user key generated from
input user password. If the decryption is succeed, authentication is successful, and the
authentication is failed if the decryption failed.
The identification and authentication (except the time of print job input) is performed by
selecting any of U.BUILTIN_ADMINISTRATOR, U.USER_ADMINISTRATOR or the other. The
role is associated with the user if it’s successful.
Table 7-10 Authentication method
Authentication
method
Possible operations
before success of identification and authentication
SFR
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Machine Authentication
External Server Authentication
Confirmation of suspension state of User use
FAX RX
Confirmation of TOE State and Setting of display, etc.
FIA_UID.1
FIA_UAU.1
* The setting of authentication method is performed by U.ADMINISTRATOR. Both
Machine authentication and External sever authentication are activated at the
same time. When both of them are activated, U.ADMINISTRATOR sets which
methods are used for each user. User, who U.ADMINISTRATOR sets both
authentication methods available, selects by oneself at the time of
authentication.
The TOE also displays “*” for input password. FIA_UAU.7
When identification and authentication are successful, User ID, Allocation Role, and Role are
combined to the process that acts as the appropriate user. FIA_ATD.1, FIA_USB.1
Moreover, the TOE prevents from setting the low strength password by restricting for
satisfying the following qualities in the passwords used for authentication.
Table 7-11 Password and Quality
Objective Condition SFR
Login
Password
The TOE accepts only the password that satisfies the following.
-Number of characters : 8 or more characters
-Character type : possible to choose from 94 or more characters
-Rule : (1) Do not compose by only one and the same character.
(2) Do not set the same password as the current setting
after change.
Administrator sets the number of minimum characters. (must be
more than 8 characters)
FIA_SOS.1(1)
When the authentication failed, the TOE performs the following process.
Table 7-12 Process at the time of authentication failure
Objective Process SFR
Authentication
failure by
login password
Authentication is suspended when number of continuous
authentication failure reached the value that U.ADMINISTRATOR
set.
The number of authentication failure of U.NORMAL and that of
U.USER_ADMINISTRATOR is totaled. If the user A tries to log in
as U.NORMAL and failed (once), and successively the user A tries
to log in as U.USER_ADMINISTROTOR and failed (once), the
number of authentication failure of user A is two times.
Authentication is also suspended even if the number of continuous
authentication failure exceeds the setting value because of the
change of setting value by U.ADMINISTRATOR.
When the authentication of U.BUILTIN_ADMINISTRATOR is
FIA_AFL.1
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suspended, it is released by performing boot process of the TOE and
passing the time set in the release time setting of operation
prohibition for administrator authentication from boot process.
In other cases, it is released by performing deletion function of
number of authentication failure by U.ADMINISTRATOR, who is
not in the authentication stopped state.
When there is no action of the identified and authenticated user for a certain period of time
(setting time by administrator), the session is terminated. FTA_SSL.3
Table 7-13 Termination of interactive session
Objective Session termination Others
Operation panel When it passes for the
time determined by auto
reset time, after
processing of last
operation was completed.
Auto reset time is set in the factory
and administrator can change it.
Web Connection When it passes for the
time determined by auto
logout time, after
processing of last
operation was completed.
Auto reset time is set in the factory
and administrator can change it.
Data Administrator When it passes for 60
minutes, after processing
of last operation was
completed.*
Time is fixed
Printer driver
Fax
There is no interactive session since
accept of the request is the start and
the completion of process is end.
Identification and authentication is
performed in each acceptance
except Fax RX.
*This is the time considered the process that takes time such as downloading the registered
information.
7.7 F.SEPARATE_EX_INTERFACE (External interface separation function)
- Corresponding functional requirement: FPT_FDI_EXP.1
The TOE prevents the access from telephone line by limiting the input information from
telephone line to FAX RX and Remote Access function, and prohibits the direct transfer of
received fax. Moreover, it is a structure which cannot be transfer the input from external
interface including USB interface to Shared-medium Interface as it is.
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7.8 F.SELF_TEST (Self-test function)
- Corresponding functional requirement: FPT_TST.1
The TOE contains the data for verification and decrypts it by using encryption passphrase
when the power is ON. This verifies the integrity of encryption passphrase by confirming that the
data for verification was decrypted correctly. And then, this provides HDD encryption function
and the function to verify the normal operation. Moreover, the TOE verifies the integrity of TSF
executable code by calculating hash value of control software when the power is ON and checking
whether it corresponds to the recorded value or not. If the loss of completeness was detected in
the integrity verification of encryption passphrase and control software, the TOE displays the
alert on the operation panel and does not accept the operation.
7.9 F.MANAGE (Security management function)
- Corresponding functional requirements: FIA_SOS.1(1), FMT_MOF.1, FMT_MSA.1(a),
FMT_MSA.1(b), FMT_MSA.3(a), FMT_MSA.3(b), FMT_MTD.1, FMT_SMF.1, FMT_SMR.1
The TOE provides the following management functions.
Table 7-14 Management Function
Management function Contents Operator
Management function of
Enhanced Security settings
Enable or disable Enhanced
Security settings
U.ADMINISTRATOR
Management function of User
Authentication function
Performs the setting of
authentication method.
U.ADMINISTRATOR
Operation setting function of
HDD data overwrite deletion
function
Performs the operation setting
of HDD data overwrite deletion
function. (Setting of Mode)
U.ADMINISTRATOR
Audit log management function Performs the operation setting
when the audit log is full
(Restriction of overwriting /
Permission of overwriting).
Read audit log and delete.
U.ADMINISTRATOR
Trust Channel Management
Function
Communication Encryption
Strength Setting (Change of
communication encryption
method)
U.ADMINISTRATOR
User management function Registration and deletion of
user to the TOE. Registration,
modification and deletion of
attributes (Authority)
When it’s External
authentication method, user is
registered in the TOE by using
account password managed by
the administrator at the time of
U.ADMINISTRATOR
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first authentication.
Initialization of attributes The TOE initializes the security
attributes of D.DOC and
D.FUNC in accordance with
Table 6 15. This initialization is
performed at the generation of
these objects and there is no
function to interfere with this
initializing process.
The TOE also initializes the
attributes of F.PRT, F.SCN,
F.CPY, F.FAX and F.DSR in
accordance with Table 6 16. This
initialization is performed at the
generation of these objects and
there is no function to interfere
with this initializing process.
None
Registration function of
U.NORMAL‘s login password
Register login password of
U.NORMAL.
U.ADMINISTRATOR
Modification function of
U.NORMAL’s login password
Change login password of
U.NORMAL
U.ADMINISTRATOR
Change own password. U.NORMAL
Modification function of
U.BUILTIN_ADMINISTRATOR
login password
Change own password. (About
the
U.BUILTIN_ADMINISTRATOR
password, there is no setting
function since initial value is set
at factory default.)
U.BUILTIN_ADMINISTRATOR
Setting / Modification function
of encryption passphrase
Set or change the encryption
passphrase which is basic data
for encryption key used for HDD
encryption function.
U.ADMINISTRATOR
Modification function of Time
information
Set the date and time
information
U.ADMINISTRATOR
Modification function of Auto
reset time
Change the Auto reset time.
(There is no setting function
since initial value is set at
factory default.)
U.ADMINISTRATOR
Modification function of Auto
logout time
Change the Auto logout time.
(There is no setting function
since initial value is set as
U.ADMINISTRATOR
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factory default.)
Modification function of
Authentication failure
frequency threshold
Change the threshold of the
number of authentication
failure. (There is no setting
function since 3 is set as the
initial value.)
U.ADMINISTRATOR
Registration / Modification
function of External server
authentication setting data
Register and change the setting
data for the external
authentication server (including
the domain name that external
server belongs to)
U.ADMINISTRATOR
Modification function of Release
time of operation prohibition for
Administrator authentication
Change the release time from
prohibiting operation for
Administrator authentication.
(There is no setting function
since initial value (5 minutes) is
set at factory default.)
U.ADMINISTRATOR
Deletion function of Password
mismatch frequency
Delete the number of password
mismatch. Accordingly, access
prohibition of the user box is
canceled
U.ADMINISTRATOR
Modification function of
Password mismatch frequency
threshold
Change the threshold of the
number of password mismatch.
(There is no setting function
since 3 is set as the initial
value.)
U.ADMINISTRATOR
Deletion function of
Authentication failure
frequency (except
administrator)
Delete the number of
authentication failure (except
administrator). Accordingly, the
lock of authentication function
is canceled.
U.ADMINISTRATOR
Modification function of
Password policy
Set and change Password policy. U.ADMINISTRATOR
Registration / Modification
function of Network setting
Set and change the network
settings (IP address / port No. of
SMTP sever / DNS server, MFP
IP address, NetBIOS name,
AppleTalk printer name, etc.)
U.ADMINISTRATOR
Registration / Modification
function of transmission
address
Register and change the
transmission address setting
(address of e-mail transmission,
etc.)
U.ADMINISTRATOR
Management function of Object
security attributes (except User
ID, Box Type, DOC
PASSWORD)
Change and delete the object
security attributes (except User
ID, Box Type, DOC
PASSWORD).
U.ADMINISTRATOR
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Management function of
Subject security attributes
(except object of management
by user management function,
sBOX PASSWORD, DOC
PASSWORD)
Change and delete the subject
security attributes (object of
management by user
management function, sBOX
PASSWORD, DOC PASSWORD)
U.ADMINISTRATOR
Management function of Role Add and delete
U.USER_ADMINISTRATOR
U.ADMINISTRATOR
The management of Object security attribute is the deletion of object. If object is deleted, the
attribute that is given to that object is also deleted.
Note that the operations of sBOX PASSWORD and DOC PASSWORD that are the subject security
attributes, and the operations of User ID, Box Type, and DOC PASSWORD that are the object
security attributes, are not available.
Table 7-15 Secure Print Password management function
Management function Contents
Secure print password
management function
The TOE accepts password only which satisfies the following as secure
print password.
Number of characters: 8 or more characters
Character type: possible to choose from 94 or more characters
Rule: Do not compose by only one and same character.
7.10 F.SECURE_LAN (Network communication protection function)
- Corresponding functional requirement: FTP_ITC.1
The TOE performs encryption communication in communications with IT devices. Encryption
communication provided by the TOE is as follows. (When the Enhanced Security Setting is
valid.)
Table 7-16 Encryption Communication provided by the TOE
Destination Protocol Encryption algorithm
Client PC IPsec 3DES(168 bits), AES(128bits, 192bits,
256bits)
External
authentication
server
IPsec 3DES(168 bits), AES(128bits, 192bits,
256bits)
DNS server IPsec 3DES(168 bits), AES(128bits, 192bits,
256bits)
SMTP server IPsec 3DES(168 bits), AES(128bits, 192bits,
256bits)
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