cryptanalysis n 1: the science of analyzing and deciphering codes and ciphers and cryptograms [syn: {cryptanalysis}, {cryptanalytics}, {cryptography}, {cryptology}]
cryptanalysis \crypt"a*nal"y*sis\, n. 1. the science which studies methods to discovering the secret meaning of encrypted messages for which one does not possess the secret decoding information (called the {key}). [PJC] 2. the methods and procedures used to discover the secret meaning hidden in encrypted messages. [PJC] Cryptic
cryptanalysis The branch of {cryptography} concerned with decoding encrypted messages when you're not supposed to be able to. (1994-12-06)