cryptography
柯林斯詞典
1. N the science or study of analysing and deciphering codes, ciphers, etc; cryptanalysis 密碼學
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cryptography /kr?p?t?l?d??/ (also cryptology)
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
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