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