Name:______________________________     Alpha:________________________________ 

1. [10pts] Answer the following questions:
   • TLS proceeds in two steps of protocols. What are the first step and the second?

   • Which TLS messages are relevant to generating a pre-master secret?

   • Which TLS message are relevant to achieving server authentication?

   • Which TLS components contribute to generating the master secret? Which cryptographic primitive is used?

   • How does TLS achieve integerity?

2. [10pts] TRUE/FALSE questions.
   • TRUE/FALSE
     The TLS protocol is used to both authenticate Web servers and provide confidentiality for client transactions with them.
   • TRUE/FALSE
     A TLS client confirms the validity of a server certificate by verifying that it is the server that signed the certificate.
   • TRUE/FALSE
     In TLS, Server Key Exchange messages are often digitally signed.
   • TRUE/FALSE
     For transmitting data from a client to a server, a TLS session uses more than one key.
   • TRUE/FALSE
     Clients finalize the choice of the TLS cipher suite.