(不计空格,不计大小写)在密匙为:1 9 2的条件下,变换过程如下图所示:| s | t | u | d | e | n | t |
| 1 | 9 | 2 | 1 | 9 | 2 | 1 |
| t | c | w | e | n | p | u |
,试根据上面信息回答下面问题:| s | t | u | d | e | n | t |
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请填写下表,并写出密匙;| s | t | u | d | e | n | t |
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,且此段密文也是3位密匙加密,试填写下表,写出密匙,并将此段密文翻译成明文.(不必证明,写出明文即可)| | | | | | | | | | | | |
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| c | w | b | c | f | s | o | l | l | y | d | g |