Lab Assignment 2: Playfair Cipher Overview: You are required to use the Playfair cipher to encrypt the message: "Butch." You will do the encryption by hand. The key for encryption is “Govern." You will need to show your work for the encryption process. Your submission should be a typed text file
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- Insecure Cryptographic Storage Challenge 3 The result key to this level is the same as the encryption key used in the following sub application. Break the cipher and recover the encryption key! The result key is in all capital letters and is in English. Cipher text to decrypt: Decrypt Cipher text Example Try to decrypt this: IAAAAEkQBhEVBwpDHAFJGhYHSBYEGgocAw==Objective: Given a secret keys "mysecret" and "cs335cryptograph" for DES and AES methods respectively, perform encryption using both DES and AES. Lab: You will be given "DES.py" and "AES.py" programs. And these programs to fit to your solution. Also, you need to install "Cryptodomex" library (Please see the installation file for Cryptodomex) Tasks: In this lab, you will be encrypting messages using DES and AES python program. Submission: Please submit a lab report for following plaintext messages along with code and output snapshots: 1. Plaintext:" Welcome to CS 335" and Ciphertext: ? 2. Plaintext: "Computer Science and Mathematics" and Chipertext: ?Computer Science The goal of this assignment is to create an app that can capture, tag, save, and retrieve photos on your smartphone.Capture: When clicked, it takes a picture and shows a thumbnail image. Tag: A user can type multiple tags (separated by a “;”). Save: When clicked, it saves the photo in a database along with the tags. Load: A user can specify one or more tags. Your app will find and show the first photo that had any of those tags. When there are multiple photos matching the criteria, the App should have an UI element to show them one by one, e.g., when the user slides a slider.
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