Verifying A Certificate - ZyXEL Communications P-792H User Manual

Chapter 11 Certificates
• 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.
Factory Default Certificate
The P-792H v2 generates its own unique self-signed certificate when you first turn
it on. This certificate is referred to in the GUI as the factory default certificate.

11.1.2 Verifying a Certificate

Before you import a trusted certificate into the P-792H v2, you should verify that
you have the correct certificate. You can do this using the certificate's fingerprint.
A certificate's fingerprint is a message digest calculated using the MD5 or SHA1
algorithm. The following procedure describes how to check a certificate's
fingerprint to verify that you have the actual certificate.
Browse to where you have the certificate saved on your computer.
1
Make sure that the certificate has a ".cer" or ".crt" file name extension.
2
Figure 64 Remote Host Certificates
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P-792H v2 User's Guide