This section provides a tutorial example on how to view certificate details when visiting an 'https' Web site in IE.
When you visit a "https" Web server, it will send its certificate to your browser.
Server's certificate is needed by the browser for these 2 tasks:
Your browser must validate the certificate to determine that the Web site can be trusted or not before doing any further communications.
Your browser must use the public key in the certificate to help secure the communication messages sent and received.
Normally, your browser will do these 2 tasks automatically without your interaction.
You don't need to know where is the server certificate and what's in the certificate.
But since I am interested to learn more about "https" communication,
I want to see the server certificate.
Here is what did on IE to see details of the server certificate.
1. Run IE and go to https://login.yahoo.com and wait for the log in page to be loaded.
2. Click the lock icon at the end of the Web address field. A small pop up windows shows up.
3. Click the "View certificates" link on the pop up window. The Certificate dialog box shows up.
The General tab tells me this information:
This certificate is intended for the following purpose(s):
- Ensures the identify of a remote computer
Issued to: *.login.yahoo.com
Issued by: DigiCert SHA2 High Assurance Server CA
Valid from 8/18/2019 to 2/15/2020
4. If you click the Details tab, you will details of this certificate:
This certificate has been verified for the following uses:
SSL Client Certificate
SSL Server Certificate
Common Name (CN) *.login.yahoo.com
Organization (O) Oath Inc.
Common Name (CN) DigiCert SHA2 High Assurance Server CA
Organization (O) DigiCert Inc
Issued On Sunday, August 18, 2019
Expires On Saturday, February 15, 2020
SHA-256 Fingerprint 57:61:...
SHA1 Fingerprint 39:8C...
Cool. Now I see details of a real certificate for commercial uses.