Question: Suppose that the attacker can eavesdrop on an initial 2-message exchange, where a Kerberos client requests the ticket-granting ticket (TGT), and receives one from

Suppose that the attacker can eavesdrop on an initial 2-message exchange, where

Suppose that the attacker can eavesdrop on an initial 2-message exchange, where a Kerberos client requests the ticket-granting ticket (TGT), and receives one from the Kerberos KDC. 1. Explain how the attacker can mount an off-line dictionary attack. 2. How would you modify the protocol for requesting the TGT to prevent such offline dictionary attacks?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

1 Offline Dictionary Attack In a Kerberos authentication process the initial 2message exchange involves the client requesting a ticketgranting ticket ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Programming Questions!

We want to use the binomial model to price options where the underlying stock is $30. Over the next six months, the stock price is expected to rise to $36 or fall to $26. Assume the risk-free rate is...

Q1. You have identified a market opportunity for home media players that would cater for older members of the population. Many older people have difficulty in understanding the operating principles...

niap F0 = f(0) kilograms of fuel. It is released from an orbiter at time zero at height H0 = h(0) with an initial downwards velocity of zero. It must touch down at less than 1 metre per second. Its...

You own one share of a non dividend-paying stock. Because you worry that its price may drop over the next year, you decide to employ a rolling insurance strategy, which entails obtaining one 3-month...

Define access control lists and capabilities, and discuss their relative strengths and weaknesses. [5 marks] Describe how the access control list mechanisms work in Unix. You have been asked to build...

The chart below shows an authentication protocol, followed by data exchange, followed by disconnection. Only an initial part of the authentication protocol is shown; here, pw is A ' s password, J is...

The chart below shows an authentication protocol, followed by data exchange, followedby disconnection. Only an initial part of the authentication protocol is shown; here, pw is A ' s password, J is a...

Mystic Herbals processes exotic plant materials into various fragrances and biological pastes used by perfume and cosmetic firms. One particular plant material, Xubonic root from the rain forest in...

There are. O a. One O b. Three O c. Four O d. Two There are a. Five O b. Seven O c. Eight d. Nine _types of range in database application. components in database environment.

integrating factors x ( 4 y d x + 2 x d y ) + y 3 ( 3 y d x + 5 x d y ) = 0

Answer the following questions: 1. You may take a long or short position in each foreign currency or long position in one or short position on the other. 2. Justify your investment decisions based on...

An investment project has annual cash inflows of $3,200, $4,100, $5,300, and $4,500, and a discount rate of 14 percent. What is the discounted payback period for these cash flows if the initial cost...

In the Guggenheim model used to describe interfacial energy, detail why the concentration of molecules present at the interface can be defined as Nio = Ni - Cia Va - CigV

Which aspects of the pharmaceutical supply chain should Amazon focus on? Is it feasible for Amazon to own a part of the entire supply chain? Why or why not?

Compare/contrast the pros and cons of market penetration versus product expansion for Amazon in the pharmacy market. Which is most in line with Amazons goals? (answer in 500 words if possible)

The return of goods to the supplier will affect the purchase account. Question 27Answer True False

A: Suppose a firm employs labor and capital k to produce output x using a homothetic, decreasing returns to scale technology. (a) Suppose that, at the current wage w, rental rate r and output price...

In several of the above exercises, we have indicated that an infinite series 1/(1+r )+1/(1+r )2 +1/(1+r )3 +... sums to 1/r . This can (and has, in some of the B-parts of exercises above) been used...

Consider the problem you face as a student as you determine how much to study for an exam by modeling yourself as a producer of an exam score between 0 and 100. A: Suppose that the marginal payoff to...

Consider a $5000 face value Province of Quebec strip bond from the issue in Table 8.3 that matures on December 1, 2018. If the yield does not change as years go by, what will be the bonds value on:...

Boris recently turned 30, an event causing him to give thought to some long-range financial planning. He believes that, if he owns a home and is debt-free by age 60, he and his partner can retire and...

Wojtek purchased a $10,000 face value strip bond on a date when it had 14 years left until maturity. The purchase price was based on a market yield of 6.2% compounded semiannually. He sold the bond 4...