... while codebreakers have tried their best to read them. It has always been a neck and neck race, with codebreakers battling back when codemakers seemed to be in command, and codemakers For the ... years, codemakers have fought to maintain secrets, while codebreakers have tried their best to read them. It has always been a neck and neck race, with codebreakers battling back when codemakers ... receiver, but the enemy should not be able to decipher the message. However, the receiver, who knows both the key and the algorithm used by the sender, is able to turn the ciphertext back into the plaintext...