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In practice, a and k are both in the range p˜2150 · · ·2250, and computing T =a·P and y0 = k ·P is done using the Double-and-Add algorithm as shown in Sect. 9.2. of understanding cryptography
1. Illustrate how the algorithm works for a = 19 and for a = 160. Do not perform elliptic curve operations, but keep P a variable.
2. How many (i) point additions and (ii) point doublings are required on average for one "multiplication"? Assume that all integers have n = [log2 p] bit.
3. Assume that all integers have n = 160 bit, i.e., p is a 160-bit prime. Assume one group operation (addition or doubling) requires 20 µsec. What is the time for one double-and-add operation?
What advantages do linked lists have over arrays? What disadvantages do they have? Would you use an array list or a linked list to store the information?
migrating to a standardized erp system in a cloud computing environment at abc corporationtopicthis proposal discusses
Write a program that implements radix sort on an array of int values. You will need to make 10 passes, because an int can store numbers up to 2,147,483,648.
Discuss the importance of regular monitoring and maintenance of a website. What should be checked on a regular basis
create a module to batch upload the files from a CSV source. Implement an interface to create a batch uploads.
Imagine that you are an IT organizational leader in a mid-sized company. Moreover, analyze the main reasons why the network is the key to data needs throughout the organization.
A rocket nozzle is to be constructed with dimensions as shown in Fig. The following table gives the composition of the exhaust products.
Suppose x is defined as int x = 5; Explain in your own words what the difference between x and &x.
Use the compression utility on your computer to compress different files. Study the effect of the original file size and file type on the ratio of compressed file size to original file size.
What are the four main components of a dataflow diagram? What if the processes were represented by rectangles and the terminators were represented by circles?
Suppose the two segments sent by A arrive in order at B. The first aknowledgment is lost and the second aknowledgment arrives after the first timeout interval.
Define a class called Odometer that will track fuel and mileage for an automotive vehicle. The class should have member variables to track the miles driven.
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