Question 5 12.5 pts Suppose the following text is a message encoded with a Vigenere cipher. Assuming that the keyword has more than two letters, how many letters does it probably have? (HINT: Look for occurrences of XYZ. NOTE: Do not try to actually decode the message!) ZBNCGYRZFJXYZSJARPADXWQTJXYZRNVDOPJXYZABSHBE 6 6 8 8 could be either 3 or 6 (can't tell) Question 6 12.5 pts Which of the following ciphertexts could not possibly be the result of encoding a message with a random, one-time pad cipher? OTIHRJGDSGS Xooooooo CDEFGHIJKL CIPHERDERP All of these could possibly be the result of encoding a message with a random, one-time pad cipher