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You are working for a cryptography department, where one of your jobs is to decipher intercepted messages that have been encrypted using a book cipher. The messages are sent by different people, each of whom writes their plaintext in a different language to confuse any attempt to decipher the messages. But this has made them a little too confident, and you have discovered a very useful secret: unaware that their messages can be cracked, each sender tends to use the same book passage over and over; all that changes is where in that passage they start the encryption. Being very lazy, they always start the encryption within 20 letters of the start of the passage. So for the purposes of this task, the 'key' is simply the starting position in the book text, and is a number from 0 to 20. Your job now is to write a computer program (a real executable program, not a spreadsheet) that can be used to decrypt these intercepted messages. The program will be required to read the ciphertext from a file and to display the plaintext on the screen, along with the key that was used to encrypt it. You will be asked to demonstrate your program to the tutor in the lab class on the due date. This is so that you will be there to run the program and make any decisions that need making. You will be given several ciphertexts to practice on, but in the demonstration you will be asked to demonstrate your program on files you have not seen. You may write your program in whatever programming language you wish.
Calculate the total price to purchase all the components required to build a state-of-the-art gaming computer from components available on the internet. Before attempting this exer
Hi I have an assignment for prolog languagle is it possible to get help
In this exercise you will develop a small 'Pop Game' in which the user will "pop" shapes that are drawn on the screen. The game will be time based, showing a shot clock at the top
What are program visible and invisible resisters? A4) Program visible is those registers that can be programmed by the users, or which are customizable, whereas Program invisible
Write a program that will allow the user to input the corners of a triangle. The program will draw small yellow circles for each input point, then draw the triangle and calculate t
Programming Project Specification: IRC or Internet Relay Chat is an application that lets multiple users communicate via text messages with each other in common "virtual" rooms.
You are asked to develop a replicator (client) that distributes a large job over a number of computers (a server group) on a single switched LAN (our BU04 lab). In this assignment,
2. Design an ER diagram for an IT training group database that will meet the information need’training programme. Clearly indicate the entities, relationships and the key constrain
Hi, Can you do exercises: D2, D3, D4, and D5 on page 230 of the following book: http://www.daimi.au.dk/~bra8130/Wiley_book/wiley.html . The book can be downloaded for free from t
Vacation Envy - Travel and Photo Sharing Website Site Overview- Vacation Envy is a travel as well as photo-sharing site. Make your travel map, share photos and show off al
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