HandshakeDuring the handshake phase, Bob needs to (a) establish a TCP connection with Alice, (b) verify that Alice is really Alice, and (c) send Alice a master secret key, which will be used by both Alice and Bob to generate all the symmetric keys they need for the SSL session. These three steps are shown in Figure 8.25. Note that once the TCP connection is established, Bob sends Alice a hello message. Alice then responds with her certificate, which contains her public key. As discussed in Section8.3, because the certificate has been certified by a CA, Bob knows for sure that the
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