ZyXEL Communications 100-NH User Manual

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Chapter 8 System
NWA1000 Series User’s Guide
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certification authorities. You can use the NWA to generate certification requests that contain 
identifying information and public keys and then send the certification requests to a certification 
authority.
8.9.5  Checking the Fingerprint of a Certificate on Your Computer
A certificate’s fingerprints are message digests calculated using the MD5 or SHA1 algorithms. The 
following procedure describes how to check a certificate’s fingerprint to verify that you have the 
actual certificate. 
1
Browse to where you have the certificate saved on your computer. 
2
Make sure that the certificate has a “.cer” or “.crt” file name extension.
Figure 52   
Certificates on Your Computer
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 53   
Certificate Details 
4
Use a secure method to verify that the certificate owner has the same information in the 
Thumbprint Algorithm and Thumbprint fields. The secure method may vary according to your 
situation. Possible examples would be over the telephone or through an HTTPS connection.