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Problem
1. What is the difference between a public key and a secret key?
2. Consider an RSA cryptosystem using p = 7, q = 11 and g = 13.
a) Compute n.
(b) Compute ?.
(c) Find h
3. Consider an RSA cryptosystem using p = 23, q = 41 and g = 3. Encipher the message [847]943.
These numbers should be stored in an array. Use the sequential search algortithm to locate the number entered by the user. If the number is in the array, the program should display a message.
Describe a sorting algorithm to be parsimonious if it never compares same pair of input values twice. (Supose that all the values being sorted are distinct.).
A B+-tree is to be stored on disk whose block size is 2048 bytes. The data records to be stored are 50 bytes, and their key is 4 bytes. Determine the values for M and L for the B+-tree. Assume pointers are 4 bytes each.
Draw a possible min-max heap for the items 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10. Note that there are many possible heaps.
A binary tree can be generated automatically for desktop publishing by a program. You can write this program by assigning an x-y coordinate to each tree node.
Write the search algorithm for a B+tree. Rewrite the B-tree deletion algorithm using a stack instead of recursion. Rewrite the B-tree insertion algorithm using a stack instead of recursion.
Write computer programs to sort these numbers in the increasing order using the following algorithms
Exhibit an algorithm that detects whether one finite automaton accepts a subset of the set accepted by another machine.
Detailed requirements. Using guidance provided in the text, (specifically chapters 12 and 13) develop your detailed requirements. Develop as many as possible but you must cover some detailed requirements for each of your high level requirements.
Solve the following maze with the algorithm of your choice. The idea is to come up with a fully automated method to find the shortest path from S to E using minimum number of movements.
If this message is encrypted with DES by using a random 56-bit key, determine encrypted message's entropy?
Write a function called halfsum that takes as input an at most two-dimensional matrix A and computes the sum of the elements of A that are in the diagonal or are to the right of it.
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