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a) What is the effect of a dropped ciphertext block ( if the transmitted cipher text c1, c2, c3...... is received as c1, c3....) when using the CBC, OFB and CTR MODES OF OPERATION
b) let F be a pseudorandom function.
Show that the following MAC for messages of length 2n is insecure: The shared key is arandom k ∈ {0, 1}n. To authenticate a message m1||m2 where |m1| = |m2| = n, compute thetag fk(m1)||fk(fk(m2)).
Is the Process before and after the swap are the same? Give reason.
Convert the following decimal fractions to binary with a maximum of six places to the right of the binary point:
1) What is the impact of diploma mills on legitimate educational institutions? How does one check the credentials of learning institutions to verify legitimacy? What should one look for when selecting an institution of higher learning?
1. Lab #5 - A four-paragraph executive summary written to executive management providing a summary of findings, risk impact to the IT asset and organization, and recommendations for next steps.
The CIO has seen reports of malicious activity being on the rise and has become extremely concerned with the protection of the intellectual property and highly sensitive data maintained by your organization.
You have been given a suspect's phone and need to determine what was accessed and from where. What are some areas that should be checked on all phones?
Explain marx Karl's bourgeois/proletarian distinctions and why proletarian ends can be attained only by the forcible overthrow of existing social and economic conditions.
Suppose you created a video project that has two data structures-an array of strings and a ListView control. You used the Sort() method of the array class to put the film names in ascending order. Then the program populated lstNames with the order..
We observed in our study of lock-based schedulers that there are several reasons why transactions that obtain locks could deadlock. Can a timestamp scheduler using the commit bit C(X) have a deadlock?
What, if any normalization error is present in the table? a. None b. First Normal Form c. Second Normal Form d. Third Normal Form Describe or illustrate how you would correct the normalization error, if one is present.
Find the error in the following pseudocode. Constant Real GRAVITY = 9.81 Display "Rates of acceleration of an object in free fall:"
A 10-mm-diameter jet of water is deflected by a homogeneous rectangular block (15 mm by 200 mm by 100 mm) that weighs 6 N as shown in Fig. P12.11. Determine the minimum volumetric flow rate needed to tip the block about point 0.
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