Task 2
In the analogy presented, what real object is analogous to the public key?
Lock
Task 3
Knowing that p = 4391 and q = 6659. What is n?
29239669
Knowing that p = 4391 and q = 6659. What is ϕ(n)?
29228620
Task 4
Consider p = 29, g = 5, a = 12. What is A?
7
Consider p = 29, g = 5, b = 17. What is B?
9
Knowing that p = 29, a = 12, and you have B from the second question, what is the key calculated by Bob? (key = Ba mod p)
24
Knowing that p = 29, b = 17, and you have A from the first question, what is the key calculated by Alice? (key = Ab mod p)
24
Task 5
Check the SSH Private Key in ~/Public-Crypto-Basics/Task-5. What algorithm does the key use?
RSA
Task 6
What does a remote web server use to prove itself to the client?
Certificate
What would you use to get a free TLS certificate for your website?
Let’s Encrypt
Task 7
Use GPG to decrypt the message in ~/Public-Crypto-Basics/Task-7. What secret word does the message hold?
Pineapple
