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Konica Minolta bizhub 283 bizhub 223/283/363/423 PKI Security Operations User - Page 39

Select [ON] and [E-Mail Text Encryption Method]. - support

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2.8 S/MIME Communication Setting Function 2 5 Select [ON] and [E-Mail Text Encryption Method]. 6 Select encryption method and touch [OK]. % For encryption method, select the strong "3DES," "AES-128," "AES-192," or "AES-256." If the mail software being used does not support AES, encrypted mail messages may be received, but they cannot be decrypted. Use AES-compliant mail software or select the encryption method that is the strongest of all compliant with the currently used mail software. % Each encryption method represents the following. Name: encryption algorithm: encryption key length 3DES: 3 key triple DES: 168 bits AES-128: AES: 128bit AES-192: AES: 192bit AES-256: AES: 256bit 7 Touch [OK]. 8 Select [Automatically Obtain Certificates]. bizhub 423/363/283/223 2-27

Section	Page
Contents	2
1 Security	5
1.1 Introduction	5
Compliance with the ISO15408 Standard	5
Operating Precautions	5
INSTALLATION CHECKLIST	6
1.2 Security Functions	7
Check Count Clear Conditions	7
1.3 Data to be Protected	8
1.4 Precautions for Operation Control	9
Roles and Requirements of the Administrator	9
Password Usage Requirements	9
Operation and control of the machine	9
Network Connection Requirements for the Machine	10
Machine Maintenance Control	10
Implementing digital signature properly	10
Operating conditions for the IC card and IC card reader	10
IC card owner requirements	10
1.5 Miscellaneous	11
Password Rules	11
Precautions for Use of Various Types of Applications	11
Items of Data Cleared by Overwrite All Data Function	11
Items cleared by HDD Format	11
Fax functions	12
2 Administrator Operations	14
2.1 Accessing the Administrator Settings	14
2.1.1 Accessing the Administrator Settings	14
2.1.2 Accessing the User Mode	16
2.2 Preventing Unauthorized Access	18
Setting Prohibited Functions When Authentication Error	18
2.3 Setting the External Server	21
Setting the External Server	21
2.4 System Auto Reset Function	24
Setting the System Auto Reset function	24
2.5 Changing the Administrator Password	26
Changing the Administrator Password	26
2.6 Protecting Data in the HDD	28
2.6.1 Setting the Encryption Key (encryption word)	28
2.6.2 Changing the Encryption Key	34
2.7 Overwrite All Data Function	36
Setting the Overwrite All Data function	36
2.8 S/MIME Communication Setting Function	38
Setting the S/MIME Communication	38
2.9 PC-Fax RX Setting Function	41
PC-Fax RX Setting	41
2.10 TSI User Box Setting Function	43
TSI User Box Setting	43
2.11 TCP/IP Setting Function	45
2.11.1 Setting the IP Address	45
2.11.2 Registering the DNS Server	45
2.12 NetWare Setting Function	46
Making the NetWare Setting	46
2.13 SMB Setting Function	47
Setting the NetBIOS Name	47
2.14 E-Mail Setting Function	48
Setting the SMTP Server (E-Mail Server)	48
3 User Operations	50
3.1 User Authentication Function	50
User authentication using the IC card	50
3.2 Encrypted Document Function	52
Accessing the Encrypted document	52
3.3 Scan to Me Function	53