Question 1 As described in Section 4.8, a common way of storing passwords on a computer is to use DES with the password as the key to encrypt a fixed plaintext (usually 000. . . 0). The ciphertext is then stored in the file. When you log in, the procedure is repeated and the ciphertexts are compared. Why is this method more secure than the similar-sounding method of using the password as the plaintext and using a fixed key for example, 0000