Verifying A Certificate - ZyXEL Communications NWA3560-N User Manual

• Binary PKCS# 12: This is a form at for t ransferri n g public key and privat e key cert ificat es.The
privat e key in a PKCS # 12 file is wit hin a password- encrypt ed envelope. The file's password is not
connect ed t o your cert ificat e's public or privat e passwords. Export ing a PKCS # 12 file creat es t his
and you m ust provide it t o decrypt t he cont ent s when you im port t he file int o t he device.
Not e: Be careful not t o convert a binary file t o t ext during t he t ransfer process. I t is easy
for t his t o occur since m any program s use t ext files by default .

14.1.3 Verifying a Certificate

Before you im port a t rust ed cert ificat e int o t he device, you should verify t hat you have t he correct
cert ificat e. You can do t his using t he cert ificat e's fingerprint . A cert ificat e's fingerprint is a m essage
digest calculat ed using t he MD5 or SHA1 algorit hm . The following procedure describes how t o check
a cert ificat e's fingerprint t o verify t hat you have t he act ual cert ificat e.
1 Browse t o where you have t he cert ificat e saved on your com put er.
2 Make sure t hat t he cert ificat e has a " .cer " or " .crt " file nam e ext ension.
3 Double- click t he cert ificat e's icon t o open t he Ce r t ifica t e window. Click t he D e t a ils t ab and scroll
down t o t he Thum bpr int Algor it hm and Th um bpr int fields.
4 Use a secure m et hod t o verify t hat t he cert ificat e owner has t he sam e inform at ion in t he
Th um bpr in t Algor it h m and Th u m bpr in t fields. The secure m et hod m ay very based on your
sit uat ion. Possible exam ples would be over t he t elephone or t hrough an HTTPS connect ion.
NWA3000-N Series User's Guide
Chapter 14 Certificates
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