Class Assignments...

...Assignments...

Assignment No. 1

1. What is the difference between passive and active security attacks?
2. What are the essential ingredients of a symmetric cipher?
3. What is the difference between a block and a stream cipher?
4. Briefly explain the Caesar cipher.
5. What are two problems with the one-time pad?

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Assignment No. 2

Roll number-wise distributed questions in the classroom.

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Q.1. What are the roles of the public and private keys?
Q. 2. What are the principal elements of a public-key cryptosystem?
Q. 3. What is a one-way function? What is a trap-door one-way function?

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Assignment No. 3

As per the questions given in class notes...

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Assignment No. 4

As per the questions given in class notes...

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