Quiz 2 Prep

• Encrypt the message HEBREW using Vigenere Cipher and the keyword GUY. What are the cipherletters corresponding to both letters E? Did you get the same letter? Explan your answer. Give an example of different keyword to receive different result for letters E.
• Suppose you are using Vigener Cipher and the plaintext is EXTENDED. Give an example of the keyword to encrypt all letters E by the different letters. Explain.
• Suppose you are using Vigener Cipher and the plaintext is EXTENDED. Give an example of the keyword to encrypt all letters E by the same cipherletter B.