Question 1 In TLS, which encryption algorithm is used for exchanging the shared key ? RSA 3DES result of a negotiation Diffie-Hellman
Question 2 In TLS, which mechanism ensures the integrity of the messages ? digital certificate MAC RSA digital signature
Question 3 What was the problem in the case of the DigiNotar certificate authority ? MITM attack certificate fraudulently obtained steal of certificates exploit against web browsers
Question 4 What was the goal of the attacker in the DigiNotar affair ? to realize a MITM attack to gain notoriety to do a black market with illegal certificates to get access to systems