Chapter 13 Certificates

information and public keys and then send the certification requests to a certification authority.

Certificate File Formats

The certification authority certificate that you want to import has to be in one of these file formats:

•Binary X.509: This is an ITU-T recommendation that defines the formats for X.509 certificates.

•PEM (Base-64) encoded X.509: This Privacy Enhanced Mail format uses lowercase letters, uppercase letters and numerals to convert a binary X.509 certificate into a printable form.

Finding Out More

See Section 13.3 on page 235 for technical background information on certificates.

13.2 The Trusted CAs Screen

This screen displays a summary list of certificates of the certification authorities that you have set the ZyXEL Device to accept as trusted. The ZyXEL Device accepts any valid certificate signed by a certification authority on this list as being trustworthy; thus you do not need to import any certificate that is signed by one of these certification authorities. Click Security > Certificates to open the

Trusted CAs screen.

Figure 97 Trusted CAs

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P-660HW-Tx v3 Series User’s Guide