第五講古典變換密碼與乘積密碼-閱讀頁
2024-08-20 13:22本頁面
【正文】 Sorted Order ? F G A G V D V ? F X A D G X V ? D G X F F G V ? G G A A G X G ? Ciphertext: DXGX FFDG GXGG VVVG VGFG CDFA AAXA 12 小結(jié) ?變換密碼的概念 ?行變換密碼 ?塊變換密碼 ? Nihilist 密碼 ?乘積密碼 練習(xí) 1. encrypt and then decrypt by hand, the text below using a block (column) transposition with a key of SNEAKY: the cat only grinned when it saw alice it looked good natured she thought still it had very long claws and a great many teeth so she felt that it ought to be treated with respect 練習(xí) 2. encrypt and then decrypt by hand, the text below using the ADFGVX cipher with a key of SNEAKY: to see victory only when it is within the ken of the mon herd is not the acme of excellence ? THE END！
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