ZyXEL Communications ZyWALL 300 User Manual

 Chapter 40 Certificates

ZyWALL USG 300 User’s Guide

Organization

Identify the company or group to which the certificate owner belongs. You can 
use up to 31 characters. You can use alphanumeric characters, the hyphen 
and the underscore.

Country

Identify the nation where the certificate owner is located. You can use up to 31 
characters. You can use alphanumeric characters, the hyphen and the 
underscore.

Key Type

Select RSA to use the Rivest, Shamir and Adleman public-key algorithm.
Select DSA to use the Digital Signature Algorithm public-key algorithm.

Key Length

Select a number from the drop-down list box to determine how many bits the 
key should use (512 to 2048). The longer the key, the more secure it is. A 
longer key also uses more PKI storage space.

Enrollment Options

These radio buttons deal with how and when the certificate is to be generated.

Create a self-signed 
certificate

Select Create a self-signed certificate to have the ZyWALL generate the 
certificate and act as the Certification Authority (CA) itself. This way you do not 
need to apply to a certification authority for certificates.

Create a certification 
request and save it 
locally for later 
manual enrollment

Select Create a certification request and save it locally for later manual 
enrollment to have the ZyWALL generate and store a request for a certificate. 
Use the My Certificate Details screen to view the certification request and 
copy it to send to the certification authority.
Copy the certification request from the My Certificate Details screen (see 

) and then send it to the certification authority.

Create a certification 
request and enroll for 
a certificate 
immediately online

Select Create a certification request and enroll for a certificate 
immediately online to have the ZyWALL generate a request for a certificate 
and apply to a certification authority for a certificate. 
You must have the certification authority’s certificate already imported in the 
Trusted Certificates screen.
When you select this option, you must select the certification authority’s 
enrollment protocol and the certification authority’s certificate from the drop-
down list boxes and enter the certification authority’s server address. You also 
need to fill in the Reference Number and Key if the certification authority 
requires them. 

Enrollment Protocol

This field applies when you select Create a certification request and enroll 
for a certificate immediately online. Select the certification authority’s 
enrollment protocol from the drop-down list box.
Simple Certificate Enrollment Protocol (SCEP) is a TCP-based enrollment 
protocol that was developed by VeriSign and Cisco.
Certificate Management Protocol (CMP) is a TCP-based enrollment 
protocol that was developed by the Public Key Infrastructure X.509 working 
group of the Internet Engineering Task Force (IETF) and is specified in RFC 
2510.

CA Server Address 

This field applies when you select Create a certification request and enroll 
for a certificate immediately online. Enter the IP address (or URL) of the 
certification authority server.
For a URL, you can use up to 511 of the following characters. a-zA-Z0-9'()+,/
:.=?;!*#@$_%-

CA Certificate

This field applies when you select Create a certification request and enroll 
for a certificate immediately online. Select the certification authority’s 
certificate from the CA Certificate drop-down list box.
You must have the certification authority’s certificate already imported in the 
Trusted Certificates screen. Click Trusted CAs to go to the Trusted 
Certificates screen where you can view (and manage) the ZyWALL's list of 
certificates of trusted certification authorities.

Table 185   Object > Certificate > My Certificates > Add (continued)