柯林斯詞典cryptography /kr?p?t?l?d??/ (also cryptology) 1. N the science or study of analysing and deciphering codes, ciphers, etc; cryptanalysis 密碼學(xué) 返回 cryptography劍橋詞典the practice of creating and understanding codes that keep information secret 密碼使用法；密碼方式 computing the use of special codes to keep information safe in computer networks （電腦系統(tǒng)的）加密 返回 cryptography