[Device Certificate Setting]
Overview
Display the registered device certificates in a list.
You can check the details, register a new certificate, or configure various settings.
Tips
- When [S/MIME Comm.Setting] is set to [ON], if the certificate is changed to one that differs from the administrator address registered in the machine, a confirmation dialog box is displayed to check whether to disable [S/MIME Comm.Setting]. Click [OK] to change [S/MIME Comm.Setting] to [OFF].
Reference
- For details about [S/MIME Comm.Setting], refer to [S/MIME].
Setting Procedure (Creating and Installing a Self-signed Certificate)
1
Click [New Registration].
2
Select [Create and install a self-signed Certificate.], and click [OK].
The setting screen is displayed.
3
Specify each item as desired.
[Organization] and [Organizational Unit] can be specified using up to 63 single-byte characters. [Locality] and [State/Province] can be specified using up to 127 characters. For [Country], specify the country code defined in ISO3166 using 2 single-byte characters.
In [Admin. E-mail Address], enter the administrator's email address. The address specified in [Machine Setting] is displayed as the default.
[Validity Start Date] cannot be entered.
[Validity Period] can be specified in the range of 1 to 3650.
Select [Encryption Key Type] from the menu list. Using the ECDSA Cryptography (Elliptic Curve Cryptography) realizes the stronger communication security. Also, encryption is performed using a shorter key length, thereby, enabling a reduction of the network load.
4
Click [OK].
5
Click [OK] on the setting completion screen. Click [OK].
6
Click [OK] on the setting completion screen.
Setting Procedure (Issuing a Certificate Signing Request)
Create data to request the certificate signing to the certificate authority.
1
Click [New Registration].
2
Select [Request a Certificate], and click [OK].
The setting screen is displayed.
3
Specify each item as desired.
[Organization] and [Organizational Unit] can be specified using up to 63 single-byte characters. [Locality] and [State/Province] can be specified using up to 127 characters. For [Country], specify the country code defined in ISO3166 using 2 single-byte characters.
In [Admin. E-mail Address], enter the administrator's email address. The address specified in [Machine Setting] is displayed as the default.
Select [Encryption Key Type] from the menu list. Using the ECDSA Cryptography (Elliptic Curve Cryptography) realizes the stronger communication security. Also, encryption is performed using a shorter key length, thereby, enabling a reduction of the network load.
4
Click [OK].
5
Click [OK] on the setting completion screen.
6
Check the displayed data, and click [Save].
The data is saved in the computer.
7
Click [OK].
After the certificate was issued from the external certificate authority, it must be installed on this system.
Setting Procedure (Importing a Certificate)
1
Click [New Registration].
2
Select [Import Certificate], and click [OK].
The setting screen is displayed.
3
Select the file to transfer to this system.
Select the data file of the certificate in the Browse Files... dialog box.
4
Enter [Password].
Up to 32 single-byte characters can be entered.
5
Click [OK].
6
Click [OK] on the setting completion screen.
Setting Procedure (Removing a Certificate)
1
Click [Setting] of the certificate you want to remove.
The setting screen is displayed.
2
Select [Remove a Certificate], and click [OK].
The confirmation dialog box is displayed.
3
Confirm the contents of the certificate to remove, and click [OK].
4
Click [OK] on the setting completion screen.
5
Turn the Main power switch of the system off and on.
Setting Procedure (Exporting a Certificate)
1
Click [Setting] of the certificate you want to export.
2
Select [Export Certificate], and click [OK].
The setting screen is displayed.
3
Enter [Password].
Up to 32 single-byte characters can be entered. Also, enter the same password in the confirmation field.
4
Click [OK].
5
Click [Download] on the Ready to Download screen.
6
Click [Back] after downloading.
Setting Procedure (Installing a Certificate)
1
Click [Setting] of the certificate you want to install.
2
Select [Install a Certificate], and click [OK].
This option is selectable only when [Issuer] is set to [Requesting Certificate].
3
Paste the CSR (Certificate Signing Request) of the PEM text format sent from the external certificate authority into the text box on the screen.
4
Click [Install].
5
Click [OK] on the setting completion screen.
in the upper-right of a page, it turns into 
and is registered as a bookmark.