Would this help the attacker

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Reference no: EM131048966

Suppose the values x and y used in the three-way handshake of Figure 8.9 were clock driven rather than random; for example, x and y were incremented once per second or per connection.

(a) Show that the technique used in the IP spoofing attack outlined in Exercise 19 of Chapter 5 fails. (b) Suppose in addition an attacker could eavesdrop on the connection and know past transmissions from the client. Would this help the attacker?

(c) Suppose that furthermore the attacker could reset the clock on the server host, perhaps using the Network Time Protocol. Show how an attacker could now authenticate itself to the server without knowing CHK (although it could not decrypt SK).

Reference no: EM131048966

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