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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.
Describe briefly how you might program a computer to exhibit fear or sorrow.
What will be the output for the following instruction if CX=9087H and AX=9090H? 1) BTR AH,2? 10010000=10010000 2) BTC CX,9?1001000010000111=1001000110000111 3) NEG AX?
Please write a program declaring a variable x as the type int, and use the scanf function to input an integer to initialize the value of x. Then, your program will print the follow
Consider the following schema (DTD) and sample instance document: name ID #REQUIRED spouse IDREF #IMPLIED job CDATA #IMPLIED > ]>
How to do socket programming in C
specify the function of the instruction and also specify whether its right or wrong-: (5) 1) MOV [BX],AX? Register Indirect addressing 2) MOV CX,[BX+DI]?Base plus index add
What are the Functions in Computer Programming? A program is completed up of one or more functions, with one of these being main(). Function is a self-contained block of progra
Write 3 somewhat simple scripts / programs in any language, combination of languages, and/or software. Please tell me the task you are trying to accomplish in the scripts. Idea
Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4
In this Project your task is to create a program that displays various levels of the fractal structure of the so called square shaped Sierpinski-carpet. The display of level 4 is s
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