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P-662H/HW-D Series User’s Guide
282 Chapter 17 Certificates
17.12 Verifying a Trusted Remote Host’s Certificate
Certificates issued by certification authorities have the certification authority’s signature for
you to check. Self-signed certificates only have the signature of the host itself. This means that
you must be very careful when deciding to import (and thereby trust) a remote host’s self-
signed certificate.
17.12.1 Trusted Remote Host Certificate Fingerprints
A certificate’s fingerprints are message digests calculated using the MD5 or SHA1 algorithms.
The following procedure describes how to use a certificate’s fingerprint to verify that you have
the remote host’s actual certificate.
1 Browse to where you have the remote host’s certificate saved on your computer.
2 Make sure that the certificate has a “.cer” or “.crt” file name extension.
Figure 149 Remote Host Certificates
3 Double-click the certificate’s icon to open the Certificate window. Click the Details tab
and scroll down to the Thumbprint Algorithm and Thumbprint fields.
Figure 150 Certificate Details