1. Open Internet Explorer (NOT MICROSOFT EDGE!!)
2. Navigate to the webpage http://ca.ihu.edu.gr using and go to Certificate Issuance > User
3. Enter your full name and your IHU e-mail address. Press Next
4. From the drop-down menu, select International Hellenic University. Click Confirm.
5. Type in your IHU authentication credentials (the ones you use for accessing the e-learn
platform). Press Login
6. On the next window, verify that the information is correct and press Accept
7. On the pop-up window, press Yes
8. On the next screen, leave all settings to their defaults and press Request
9. You will be presented with a message verifying your application for a new digital certificate.
10. Check your email inbox (at your IHU mail address) for a message titled ‘Certificate Issuance’.
Inside the email you will find a link labelled ‘Certificate retrieval link’.
!!!ATTENTION!!!
Make sure that you access your email inbox from the same browser window that you used for
performing the steps insofar. If you fail to do so, the process will not be completed. When you verify
that you are viewing your email from the same browser window, click the link.
If you are accessing your email through an email client (i.e. Outlook, Thunderbird), make sure that the
link will open in the same browser window that you used for performing the steps insofar. In order to
do so, right click the hyperlink in the email, select Copy Hyperlink and paste the content in the address
bar of the browser. Press Enter.
11. Click Certificate acceptance and retrieval. On the next pop-up window, click Yes.
12. Click OK
13. Your digital certificate has now been issued and installed on your computer. You will be
presented with the following message:
Inside the message you will find a 16-digit revocation code. This code is necessary for revoking your
certificate in case you lose your private key or your private key is compromised. You will not be able to
issue a new valid certificate without this revocation code.
Make sure you keep this code in a safe place.
Installing your new certificate
In order to utilize the HARICA certificate for digitally signing e-mails using Outlook as well as Word
documents, you may use the instructions found here: http://help.itc.ihu.edu.gr/pki/ds/index.php?p=2
Removing your old certificate
In order to remove your old certificate, open Internet Explorer, click on the icon on the top right of
the window and choose Internet Options. Click on the tab Content and then click Certificates.
You should be seeing both your certificates (old and new) under the tab Personal. The new certificate
(the one that was issued according to the process described in this document) is the one where the
value of column “Issued By” is International Hellenic University CA R1. You may click on the other
certificate (for which the value of column “Issued By” is International Hellenic University CA) and then
click Remove to delete this certificate. If the following message appears, click Yes.
For any questions or additional information, please contact the IHU IT department at
