Someone cracked the silk dress cryptogram's code, and it's a meteorological affair. The post One Of The Top 50 Unsolvable ...

"So little was known in this country of codes and ciphers when the United States ... She discovered secret messages by SARGO, a spy's codename, who was giving up Allied ships' locations to German ...

You could do worse than to confuse the meanings of "code" and "cipher"—even cryptographers ... information used to decipher a message. Some ciphers have simple keys, others, complex ones.

Michael Loewe, who has died aged 102, led the attempt to break the main Japanese naval code at Bletchley Park, before working ...