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1.Consider the following threats to Web security and describe (in detail) how each is countered by a particular feature of SSL:a. Brute-Force Cryptanalytic Attack: An exhaustive search of the key space for a conventional encryption algorithm.b. Replay Attack: Earlier SSL handshake messages are replayed.c. Man-in-the-Middle Attack: An attacker interposes during key exchange, acting as the client to the server and as the server to the client.d. Password Sniffing: Passwords in HTTP or other application traffic are eavesdropped.e. IP Spoofing: Uses forged IP addresses to fool a host into accepting bogus data.f. IP Hijacking: An active, authenticated connection between two hosts is disruptedand the attacker takes the place of one of the hosts.g. SYN Flooding:An attacker sends TCP SYN messages to request a connection but does not respond to the final message to establish the connection fully. The attacked TCP module typically leaves the "half-open".2.Suppose H(m) is a collision-resistant hash function that maps a message of arbitrary bit lengthinto an n-bit hash value. Is it true that, for all messages x, x' with x ≠ x', we have H(x) ≠ H(x')?Explain your answer.3.Perform encryption and decryption using the RSA algorithm (Figure 3.10) for the following:p = 11; q = 13; e = 11; M = 7. Make sure you show both the resulting ciphertext and plaintextequations for encryption and decryption, respectively. Show your work!4.Consider a Diffie-Hellman scheme with a common prime q = 11 and a primitive root α = 2.a. If user A has public key YA = 9, what is A's private key XA? Show your work!b. If user B has public key YB = 3, what is the shared secret key K? Show your work!5.Consider a one-way authentication technique based on asymmetric encryption:A à B: IDAB à A: E(PUa, R2)A à B: R2a. Explain the protocol.b. What type of attack is this protocol susceptible to?6.In the context of Kerberos, answer all of the following questions:a. When Bob receives a ticket from Alice, how does he know it is genuine?b. When Bob receives a ticket from Alice, how does he know it came from Alice?c. Alice receives a reply, how does she know it came from Bob (that it's not a replay of anearlier message from Bob)?d. What does the ticket contain that allows Alice and Bob to talk securely?7.Is it possible in SSL for the receiver to reorder SSL record blocks that arrive out of order? If so,explain how it can be done. If not, why not?
Create another sub class CreditCustomer. Create an instance variable credit limit to indicate the maximum limit ($500). Credit customers get a markup of 2% on the order price.
suggest both some of the advantages and some of the disadvantages of building a system from the ground up.if given a
What are financial accounting, management accounting and finance? How are they similar and different and how do accounting conventions and asset valuation affect measuring and reporting financial position?
Five hundred words discussion paper. Identify the Java-based technologies utilized in this project and analyze each of them. Then, provide discussion on the purpose of each of the Java-based technologies utilized.
In deadlock prevention , we constrain resource requests to prevent at least one of the four conditions of deadlock (Mutual exclusion, Hold and wait, No preemption, Circular wait). This is either done indirectly, by preventing one of the three necess..
Which of the following is independent of the choice of a DBMS?
Let a three bit binary counter. Prepare these properties in LTL. Create a model which satisfies the specification and both the above properties.
For a RC circuit, we can use Laplace transforms to show that when we apply a step input of 5V, the voltage across the capacitor rises exponentially to a final value equal to step input.
Case 2-3 Michael wants to create a Website based on his famous cooking show. He would like to provide instructions on how to create some of his favorite dishes. He would like his recipes to be displayed in very simple, step by step pages.
then performs the following analysis on the numbers: Determine the average number Determine the maximum number Determine the range (maximum - minimum) Displays a histogram that shows the numbers in each five-unit range
Create the logic for a program that continuously prompts the user for a number of dollars until the user enters 0. Pass each entered amount to a conversion method that displays a breakdown of the passed amount into the fewest bills; in other words..
Write a program that averages ten homework grades entered by the user. Allow for a bonus homework grade that can count as 5 extra points on their average. Create at least two functions (excluding main() ) in your program. In the first function, pr..
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