Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on May 16, 2024

Give a critical analysis of the Otway - Rees protocol, reproduced below. Your answer should include descriptions of the purposes of each part of the

Give a critical analysis of the Otway

-

Rees protocol, reproduced below. Your answer should include

descriptions of the purposes of each part of the messages, and justify why the protocol can provide

authentication of the participants. Are there any known attacks on this protocol?

[10

marks

]

(1)

- >

B : M

,

,

, {

,

,

,

}

Kas

(2)

- >

S : M

,

,

, {

,

,

,

}

Kas

, {

,

,

,

}

Kbs

(3)

- >

B : M

, {

,

Kab

}

Kas

, {

,

Kab

}

Kbs

(4)

- >

A : M

, {

,

Kab

}

Kas

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Introduction to Wireless and Mobile Systems

Authors: Dharma P. Agrawal, Qing An Zeng

4th edition

1305087135, 978-1305087132, 9781305259621, 1305259629, 9781305537910 , 978-130508713

More Books

Students also viewed these Programming questions

Question

★★★★★

Match list I with List II and select the correct answer List I A. Hunting List II 1. One radius of rotation for each speed B. Isochronism 2. Too sensitive C. Stability D. Effort 3. Mean force exerted...

Answered: 1 week ago

Question

★★★★★

Walton Manufacturing Company gathered the following data for the month. Cost of goods sold: $35,000; Sales: $89,000; selling expenses: $16,000; Administrative expenses: $21,000. How much net...

Answered: 1 week ago

Question

★★★★★

For the data below, calculate the test statistic and state how many degrees of freedom are required, assuming no parameters need to be estimated. For each following question, clearly state: Your...

Answered: 1 week ago

Question

★★★★★

Use the graphs of f and g to solve Exercises 8390. y = g(x) HH y .y = f(x) # X

Answered: 1 week ago

Question

★★★★★

Pluto Technology Venture (PTV) is an unincorporated joint venture with three current owners. A few other prospective owners are awaiting an opportunity to invest in PTV. PTV was organized three...

Answered: 1 week ago

Question

★★★★★

In each case you are given the displacement function of a particle. Find the velocity and acceleration at the time given. a. x = 3t 2 + 5t 3 , t = 2 b. x = e 2t - 5t, t = 0 c. x = 5ln(t + 1) + t 2 ,...

Answered: 1 week ago

Question

★★★★★

Explain the link between positive thinking and good health.

Answered: 1 week ago

Question

★★★★★

Old Camp Company manufactures awnings for its own line of tents. The company is currently operating at capacity and has received an offer from one of its suppliers to make the 10,000 awnings it needs...

Answered: 1 week ago

Question

★★★★★

Far Side Corporation is expected to pay the following dividends over the next four years: $11,$7,$5, and $2. Afterward, the company pledges to maintain a constant 6 percent growth rate in dividends...

Answered: 1 week ago

Question

★★★★★

The Flemings secured a bank loan of $296,000 to help finance the purchase of a house. The bank charges interest at a rate of 4%/year on the unpaid balance, and interest computations are made at the...

Answered: 1 week ago

Question

★★★★★

A big - box retailer took photos of customers as they walked in . The retailer then used the photos for a TV commercial. In the IRAC process, where would the law on misappropriation be stated?

Answered: 1 week ago

Question

★★★★★

Corey is buying a used trailer for his snowmobiles. A local dealer offers 4.46% interest compounded monthly for six months on used equipment. If the trailer Cory likes costs $5500.00, using an...

Answered: 1 week ago

Question

★★★★★

In Section 1.3 we saw that the autonomous differential equation m- dv dt = mg - kv, where k is a positive constant and g is the acceleration due to gravity, is a model for the velocity v of a body of...

Answered: 1 week ago

Question

★★★★★

How is the NDAA used to shape defense policies indirectly?

Answered: 1 week ago

Question

★★★★★

Flu cases per school this past flu season in the Remulak school system *(n = 500) were 15 per week. For the entire state, the weekly average was 16, and the standard deviation was 15.1. Are the kids...

Answered: 1 week ago

Question

★★★★★

Ehrling Brothers Company makes jobs to customer order. During the month of July, the following occurred: Materials were purchased on account for $45,620. Materials totaling $40,880 were requisitioned...

Answered: 1 week ago

Question

★★★★★

Name some of the various types of financial intermediaries described in the chapter and indicate the primary reason(s) each was created.

Answered: 1 week ago

Question

★★★★★

4. Consider blocking a 26????2 fractional factorial, with generators E = ABC, and F = ABD, into 4 blocks of size 4. If the block de ning contrasts are ACD and AB (shown in Section 7.6.1), show all...

Answered: 1 week ago

Question

★★★★★

d. Because the largest x value in the sample greatly exceeds the others, this observation may have been very influential in determining the equation of the estimated line. Delete this observation and...

Answered: 1 week ago

Question

★★★★★

2. Consider an incomplete block design with t=10 levels of the treatment factor. (a) If a balanced incomplete block design (BIB) was constructed using the simplest method of forming blocks as all...

Answered: 1 week ago

Previous Question Next Question