Cryptographal :: Cryptographal (a.) Pertaining to cryptography; cryptographical.
Cryptographer :: Cryptographer (n.) One who writes in cipher, or secret characters..
Cryptographical :: Cryptographical (a.) Relating to cryptography; written in secret characters or in cipher, or with sympathetic ink..
Cryptography :: Cryptography (n.) The act or art of writing in secret characters; also, secret characters, or cipher..