Alfonso is having trouble figuring out a commie passcode and has decided to try brute-forcing a solution. How does he go about this? - Computing all possible solutions sequentially All computers operate using something called binary code. How many digits are used in binary? - 2 Brendan sent an encrypted message to a foreign national, but you were able to decrypt it because it had "known plaintext". What is "plaintext"? - Unencrypted information "for(int i = 1; i > 10; i++)" The condition in your code is flawed and the loop will not count from 1 to 10. How do you fix it? - i <= 10 (Note: the answer is presented as "i " follow by blank space due to a visual bug, as of writing) Hannah is sending you juicy gossip using symmetric-key cryptography. To decrypt her secret message, what do you BOTH need? - The same key How did the dirty Nazis encode their messages during World War II? - Enigma machines How migh...