For this assignment you will view digital certificate inform

For this assignment, you will view digital certificate information using Microsoft Internet Explorer. : 1. Why do you think digital certificates are not used on Google\'s home page (www.google.com)? Should they be? 2. What protocol is being used when you navigated to www.google.com? Why did that automatically occur? 3. What is different about the information exchanged through e-mail and through a search engine? 4. What are the valid dates of the certificate for google.com? 5. Why is this site not concerned with distributing the public key? How does embedding the public key in a digital certificate protect it from impersonators? 6. What are the valid dates of the root certificate? Why is the expiration date of the root certificate longer than that of the Web site certificate? 7. Why are there so many certificates listed in the Trusted Root Certificate Authorities? 8. Under the \"Export Format,\" what is the default format? 9. To which PKCS format can this information be downloaded? Why this format only?

Solution

1.When you are surfing or providing confidential information over the internet, there will be a need for security. digita certificates are used to serve this purpose.Google home page has Google Internet Authority G2, Google’s intermediate CA which issues digital certificates for Google web sites and properties. You can download the Certificate Practices Statement (CPS) which details Google’s practices on issuing digital certificates, as well as the intermediate certificates and the Certificate Revocation List (CRL).

2.secure protocol isused.i.e Even though http://www.google.com does automatically redirect to https://www.google.com, Google
still allows search engine results over http. In the https version it uses a *.google.com.HTTPS is secured protocol.

3.Email servers accept, forward, deliver, and store messages. Neither the users nor their computers are required to be online simultaneously; they need to connect only briefly, typically to a mail server or a webmail interface, for as long as it takes to send or receive messages.

For a asearch engine,we have many search engines which inputsa keyword and  when you query a search engine to locate information, you\'re actually searching through the index that the search engine has created —you are not actually searching the Web. These indices are giant databases of information that is collected and stored and subsequently searched.