Relier Pairs Secret WritingVersion en ligne ........... par Tea Cher 1 Vital information 重要信息 2 Substitution 代换 3 Cryptography 密码学: 4 Alum 明矾 5 Cunning 狡猾 6 Transposition 换位 7 Steganography 隐写术 8 Scalp 头皮 9 Secret agent 密探 10 Ancient 古老的 The practice or study of techniques for secure communication in the presence of third parties. The skin covering the top of the head. The practice of concealing messages or information within other non-secret data. The act of replacing one thing with another. A person who works covertly to gather information or perform espionage activities. Critical or essential information that is of utmost importance. The act of changing the position or order of something. Clever, sly, or crafty in achieving one's goals or solving problems. A chemical compound used for various purposes, including as a mordant in dyeing and as an ingredient in some inks. Belonging to a time long past, typically referring to a period in history.
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