Given the following declarations, write an assembly program segment that prompts the user to enter a 6-character secret word and an encryption key (a digit from 1 to 9). Then encrypt the secret word entered by adding the encryption key value to each of the character in the secret word and show the result of the encryption.
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- ****NEEDS TO BE WRITTEN IN PYTHON**** Use the strategy of the decimal to binary conversion implemented in Project 4, and the bit shift left operation defined in Project 5 to code a new encryption algorithm. The algorithm should Add 1 to each character’s numeric ASCII value. Convert it to a bit string. Shift the bits of this string one place to the left. A single-space character in the encrypted string separates the resulting bit strings.Write a program in C to decrypt a cipher text using Caesar Cipher substitution method.Plain text was first encrypted with a Cipher Key within the range 1 to 26 and then encrypted then encrypted with key -1 (minus 1).Find the first key and write the key numbers and the decrypted plain text into text mode file "done.txt" using your programPlease write the code in python. CountRepetitions that takes a ciphertext as an argument and returns the total number of repetitions between all 16-byte blocks
- 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 using c++, to encrypt and (then decrypt) using Playfair cipher. The program should prompt the user to input a key word to generate the Key Grid. In addition, the user must input plaintext (ciphertext) and the program should display the corresponding cipher text (plaintext). And describe the algorithm.Please write a program that performs Cipher Block Chaining encryption and decryption with either AES or DES in either Python or C code language. I know this is not very easy so I will post it multiple times for you to get multiple points on the same answer! thanks!
- Modify the codes with the same problem. 1.) decrypt code = input("Enter the coded text: ") distance = input("Enter the distance value: ") plainText = '' for ch in code: ordValue = ord(ch) cipherValue = ordValue - distance if cipherValue < ord('a'): cipherValue = ord('z') - (distance) - \ (ordValue - ord('a') - 1) plainText += chr(cipherValue) print(plainText) 2.) Encrypt plainText = input("Enter a one-word, lowercase message: ") distance = int(input("Enter the distance value: ")) code = "" for ch in plainText: ordValue = ord(ch) cipherValue = ordValue + distance if cipherValue > ord('z'): cipherValue = ord('a') + distance - \ (ord('z') - ordValue + 1) code += chr(cipherValue) print(code)Develop a single program using a python programming language 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 solutionsWrite a program (in JAVA) that gives the user options to encrypt and decrypt with DES and AES. The program should further offer the user to select a block mode from the options: ECB, CBC, OFB, CFB, and CTR. Your program should be able to work with any length of plaintext message.
- In python coding language.. Create a program that will take in an input of ASCII characters and distance value to encrypt and print the result. The program should loop through the length of the string and take the ASCII value to add the distance integer value to it. If the resulting character’s ASCII value is greater than 127, the cipher value should be set to the distance – (127 – ASCII value + 1).Write a program in C to decrypt a cipher text using Caesar Cipher substitution method without a key and inputting a keyGiven an arbitrary cipher text file, please help me write a small C++ program that outputs: 1) the value of the shift, and 2) decrypts the cipher text to plaintext so that only alphabetic letters are changed. Thank you.