google internet authority g2 certificate expired

Digital Signatures and PKI

                                                  Examine Digital Certificates

In this assignment you will examine the digital certificates of a google web site, find the certification path, and answer the questions below.

•  Open a Chrome browser and go to gmail.com.

•  Note that the url starts with https. This means that this is a secure communication.

•  Notice also the lock by the url. (Visit https://support.google.com/chrome/answer/95617?hl=en)

•  Click on the lock and the details.

•  View the certificate for the site and answer these questions:

•  Who is the certificate authority on this certificate?

•  Who is the certificate issued to?

•  What is the associated public key?

•  When does the certificate expire?

                                                            Find the Certification Path

•  Look at the path of the certification. Click on the immediate parent of google.com, Google Internet Authority G2.

•  View the certificate for Google Internet Authority G2 and answer these questions:

•  Who is the certificate authority on this certificate?

•  Who is the certificate issued to?

•  What is the associated public key?

•  When does the certificate expire?

•  Proceed with this until you view the certificates of all intermediate authorities and the root authority.

•  Try at least two other different website and follow the same steps mentioned above and answer the same questions again about each one of them!