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1. Suppose H(m) is a collision-resistant hash function that maps a message of arbitrary bit length into an n-bit hash value. Is it true that, for all messages x, x' with x o x', we have H(x) o H(x')? Explain your answer.2. 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 plaintext equations for encryption and decryption, respectively. Show your work! )3. Consider a Diffie-Hellman scheme with a common prime q = 11 and a primitive root a = 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! 4. Consider a one-way authentication technique based on asymmetric encryption:A 4 B: /DAB 4 A: E(P U., R2)A 4 B: R2a. Explain the protocol.b. What type of attack is this protocol susceptible to? (5 points)5. 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? (2 points)
Design a modified priority encoder that receives an 8-bit input, A7:0, and produces two 3-bit outputsm Y2:0 and Z 2:0 Y indicates the most significant bit of the input that is TRUE
Design a network that connects the four offices of XYZ by wide area links. The company has users in three different departments, each of which has different security and resource requirements. However, each of the physical offices has some users from..
Given home computers and access to company resources, employees will work extra hours at home and thereby increase company profits." Explain how well reasoned etc.
Create a HTML page with five images of your choice. Various button elements will also be used as described below. Be sure to include the wrappedElement style class from the lecture examples used for the image samples. Do not apply the style to the im..
What are the modes, the conceptual models of transfer, the advantages, and the disadvantages of pass-by-value, pass-by-result, pass-by-value result, and pass-by-reference parameter-passing methods?
How many bits are used for memory addresses
Design a class named Fan to represent a fan. The class contains: * Three constants named SLOW, MEDIUM, and FAST with values 1, 2, and 3 to denote fan speed.
In a one-page paper: explain the five activities of systems analysis and offer any additional activities you feel should be added (from your reading or experience).
HCHLock lock, what will happen if the time between becoming cluster master and successfully splicing the local queue into the global queue is too small? Suggest a remedy to this problem.
Give an example of aggregation. Your example should include at least one aggregate object and three component objects. Specify the multiplicities at each end of all the aggregation relationships
The args designate the range [lo, hi]. If lo > hi, then that designates the empty range (no numbers), in which case outputA returns without outputting any numbers. Otherwise, outputA outputs all the numbers in the range that are interesting.
Write an application that retrieves a student name and three scores per line from a text file. Process the values by calculating the average of the scores per student. Write the name and average to a different text file. Test your application with a ..
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