Question

Chapter 6, Problem 2HP (1 Bookmark) Show all steps ON Problem Viewing Digital Certificates In this project, you will view digital certificate information using Microsoft Internet Explorer 1. Use your web browser to go to www.google.com. 2. Note that although you did not enter https:l, nevertheless Google created a secure HTTPS connection. Why would it do that? 3. Click the padlock icon in the browser address bar 4. Click View certificates 5. Note the general information displayed under the General tab 6. Now click the Details tab. The fields are displayed for this X.509 digital certificate 7. Click Valid to to view the expiration date of this certificate 8. Click Public key to view the public key associated with this digital certificate. Why is this site not concerned with distributing this key? How does embedding the public key in a digital certificate protect it from impersonators? 9. Click the Certification Path tab. Because web certificates are based on the distributed trust model, there is a "path" to the root certificate. Click the root certificate and click the View Certificate button. Click the Details tab and then click Valid to. Why is the expiration date of this root certificate longer than that of the website certificate? Click OK and then click OK again to close the Certificate window 10. Now view all the certificates in this web browser. Click the Tools icon and then Internet options 11. Click the Content tab 12. Click the Certificates button 13. Click Trusted Root Certification Authorities to view the root certificates in this web browser Why are there so many? 14. Click the Advanced button 15. Under Export format, what is the default format? Click the down arrow. Which PKCS format can this information be downloaded to? Why this format only? 16. Close all windows

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15. Default Export Format is: DER Encoded Binary X.509 (*.cer). We can download to "PKCS #7 Certificate (*.p7b)".

Why this format only:- Certificates that have PKCS #7 file type, and are mostly used in Windows (Windows Xp/ Window 7/ Windows 8/ Windows 8.1/ Windows 10) or Java-based server environments (e.g. Internet Information Server (IIS), MS Exchange server, Java Tomcat, etc). PKCS #7 certificate file includes the end-entity certificate (the one issued to our domain name), plus one or more trusted intermediate certification authority files. A sample of PKCS #7 certificate file is attached below:-

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BEGIN PKCS7 MIIVPWYJKoZIhvcNAQCCOIIVMDCCFSwCAQEXADALBgkqhkiG9wOBBwGgghUUMIIF UjccBDqgAwIBAgIRAJaB2dImPInodxqTPRO7k08wDQYJKoZIhvcNAQELBQAWgZAX CZAJBgNVBAYTAkdcMRSwGQYDVQQIEXJHcmvhdGvyIE1hbmNoZXNOZXIXEDAOBgNV BACTB1NhbGzvcmoxGjAYBgNVBAOTEUNPTU9ETyBDQSBMawlpdGVkMTYWNAYDVQQD

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