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Question: Answer the following questions:
1. List three approaches to message authentication.
2. What is a message authentication code?
3. What properties must a hash function have to be useful for message authentication?
4. In the context of a hash function, what is a compression function?
5. What are the principal ingredients of a public-key cryptosystem?
6. List and briefly define three uses of a public-key cryptosystem.
7. What is the difference between a private key and a secret key?
8. What is a digital signature?
Write a simple TCP program for a client that reads a line of text from its standard input (keyboard) and sends the line out its socket to the server.
Is node P allowed to transmit the messages related to application (as opposed to message which is part of checkpoint algorithm itself) immediately after having taken a tentative checkpoint?
Describe your implementation and experiment setup, eg. any preprocessing you performed on dataset such as normalizing attributes, distance metrics you used etc.
Should you have access to those emails and files on a personal device that is accessing the company data via a 3rd party app.
What is multimedia and what is its importance
To practice UDP programming, including the use of the socket, bind, sendto, and recvfrom system calls.
You really like the concept of web-based computing and want to use as many web-based programs as possible. Write a brief paragraph discussing the programs.
For every element of the array , put this element in a bag so that arr[ i ] is inserted into bag number n*arr [i] + 1 .
Design and draw a class hierarchy for the above objects, based on the given properties. In your class hierarchy place variable names next to each class.
Create a relative frequency histogram of the "Time in Minutes" variable. What is the difference between these two graphs?
The ultimate success of a project is the responsibility of the project manager. Information technology (IT) projects are often focused on technical issues.
Write an essay related to a threat to confidentiality, integrity, or availability of data. Use an example from the news. Write at least 500 words analyzing.
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