1. Find at least one intermediate certification authority’s certificate and one trusted root certification authority’s certificate on your computer (e.g., in the browser). Print screenshots of both...

1. Find at least one intermediate certification authority’s certificate and one trusted root certification authority’s certificate on your computer (e.g., in the browser). Print screenshots of both the general and details tab for each certificate.

2. NIST defines the term “cryptoperiod” as the time span during which a specific key is authorized for use or in which the keys for a given system or application may remain in effect. One document on key management uses the following time diagram for a shared secret key.

Explain the overlap by giving an example application in which the originator’s usage period for the shared secret key begins before the recipient’s usage period and also ends before the recipient’s usage period.