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- Encrypt the message 001100001010 using Simplified DES (as defined in the book in section 4.2) and key 111000101. [Hint: After one round, the output is 001010010011.] If you do this by hand, it is sufficient to only do 3 rounds instead of 8 rounds. If you write a program, you should carry out the full implementation. Please provide your code.Encrypt Caesar cipher is a kind of substitution cipher. Instead of using a substitution table, the alphabets are rotated by a number (a key). For example, if the key is 3, plaintext alphabet a would become d, and plaintext alphabet z would become c. Write a program that implements the Caesar Cipher. You program will first prompt for the key and then for the mode (E for encryption and D for decryption) and finally for the message to be encrypted / decrypted. Your program will then output the encryption / decryption message. For this question, the input message may consists of any character, the program should encrypt or small letter case a to z only. All other characters should be kept intact after encryption or decryption.write a program in python as implementation of decryption of affine cipher. output should be:encrypted message is:....decrypted message is:..... plaint text: cryptologya coefficient: 3b coefficient: 1
- Write a program that reads a sentence from the keyboard. The sentence has been encrypted so that the message consists of only the first five characters with even-numbered indexes. All other characters should be discarded. Decrypt the sentence and output the result. For example, if the user inputs “Hiejlzl3ow”, your output should be Hello.Develop a single program using any programming language (e.g. Java, Python, C++, etc.) that:a. Encrypts and decrypts a message using the Cesar’s Cipher. The user encryptingthe message is prompted to enter a message and then a key that indicates the displacement.The user decrypting the message is prompted to enter the encrypted message and the key.b. Decrypts and displays all (26) possible solutions.Write a Python program in a Linux/UNIX script called myprogram.py. Write a Python program that continuously (i.e., in an infinite loop) asks the user for a number m. At each iteration of the loop, check in parallel whether m is greater than 10, greater than 20, and greater than 30. Make sure that the three comparisons may be performed in parallel (i.e., so that the three outputs can theoretically be printed in any order). Use the smallest number of processes. Make sure you don’t create zombie processes. Use the code below as a template. Use this template: from os import wait,waitpid,fork # write your code here while (True): #make sure to indent this and the next lines m=float(input('Give me a number: ')) # your code here
- Write a program that converts an ASCII text string from memory into all lowercase and stores the output to memory. The input string can contain uppercase and lowercase letters as well as spaces, punctuation (period, comma, question mark, exclamation point), and decimal digits. The input string will be null-terminated (that is, end with a 0 byte) and the output string is also to be null-terminated. (Observe: a 0 byte is different than the ASCII code for decimal digit 0 , which is 0x30.) Example: Convert the string "IN 2023, faLL stARTs on September 23." to "in 2023, fall starts on september 23.".Ciphers use many bitwise operations for cryptography. Write an ARM assembly program to use ciphers. See the steps below to implement the cipher. In this program you will implement a Symmetric Encryption. a) Assign a variable name “Choice” with value 0 or 1 to show the choice for encryption or decryption. 0 for encrypt and 1 for decrypt. . b) If we assign 0 to the variable choice the program will do encryption and if its 1 the program will do decryption. c) For encryption design a key value, for that assign your last nonzero number of your number in a variable called “Key” Example: if your number is 5012345 Assign 5 to the variable Key and use it as the Key for encryption. d) For choice 0 store the Cipher in a variable called “C”, for choice 1 store the Plain text in a variable called “P” (use symmetric Key cryptography and implement that for encryption and decryption). e) Test the encrypt program using the first letter of your name in capital case and to test decryption use the…Write a program in e language for a single switch light if you entered 1 then, it will printout a message saying " The light is ON " otherwise it will printout a message saying “ You should entered 1 to switch ON the light".
- Create a program (in Java or Python) to encrypt and decrypt messages using the Shift Cipher. Your program should behave as following: Ask the user if they want to encrypt or decrypt a message or quit the program. Ask the user for the key Ask the user for the message Print out the encrypted or decrypted message. Go back to step 1.I need help with creating a Java program described below: Hamming distance. The Hamming distance between two-bit strings of length n is equal to the number of bits in which the two strings differ. Write a program that reads in an integer k and a bit string s from the command line, and prints all bit strings that have Hamming distance at most k from s. For example, if k is 2 and s is 0000, then your program should print 0011 0101 0110 1001 1010 1100 Hint: Choose k as the number of bits to flip in s.Write a Python program that uses a token count to simulate a simple slot machine in which 3 numbers between 0and 8 are randomly selected and printed side-by-side. Your program should ask the slot machine user to input howmany tokens the user wishes to begin with. Print “JACKPOT!” if all three of the numbers are the same after a spinand increase the tokens by 10. Print “NICE MATCH!” if only two of the tokens are the same after a spin andincrease the token count by 3. In any case, it costs the user 1 token to spin. Continue playing until the userchooses to stop (print the final token count) or the token count reaches 0 (print “Sorry, you are out of tokens”). Ifthe user wants to spin again, instruct the user to hit a carriage return. If the user wants to quit, instruct theuser to type any other character before the carriage return. Always print out the final token count before yourprogram terminates. Your code needs to include a function spin_slots() that generates the three-digitrandom…
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