Q3: Based on Data Encryption Standard (DES) algorithm, if the plaintext is The exam is easy" and ciphertext is (2 points) 82 dd 79 ed 6b 76 32 70 51 0f 4a 71 43 9e 6b 52 29 ad e2 b2 b3 Od at Which of the following is the correct key: Gtrewgik REDFghjT Hgftyuak SEWDkjuY None of the above