Homework: Certificates and TLS
For this homework, you’re going to examine certificates and TLS settings.
Part 1: Certificates
Use your web browser to inspect the certificates for two websites of your choice. You can inspect the certificate in Chrome by clicking on the settings icon directly to the left of the website name in the URL bar.
For each website, list the following:
- for each certificate in the certificate chain
- name of the organization given in the
Certificate Hierarchy - validity period (starting date, ending date) and calculate the total time (in years and months)
- public key algorithm
- certificate key usage
- certificate key basic constraints
- name of the organization given in the
Part 2: TLS
For this part of the project, you will be investigating TLS settings using SSL Lab’s SSL test tool. Use this tool to examine two websites of your choice. For each website, report:
- overall grade
- any flaws detected
- supported TLS protocols
- supported TLS cipher suites
See if you can find a website with less than an A grade!
Grading
Homework is graded on a participation basis. Turn in a PDF of your report.