... 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 ... destroyed in the open sea, but they realizedthat within the confines of the bay they might outmaneuver the Persians. As the wind changed direction the Persians foundthemselves being blown into the bay, ... and told the others that if they scraped the wax off, theywould find something written on the wood underneath. Thiswas done; the message was revealed and read, and afterwardpassed on to the other...