2014年10月7日 星期二

小山的資安教學 - 密碼學(一) - 替換加密法練習解答

密文

E fm ZSMK. Rdsaimd ki my kgkipefs anfttds. Knd lebdi yig fpd rfkanetx ez fcigk apyjkixpfjny. Knez ez f ldpy emjipkftk hedsb ih ethipmfkeit zdagpeky. Itd ih knd zemjsdzk dtaibetx mdknibz ez zgczkekgkeit aejndp, ftb yig fpd kpyetx ki bdaibetx ek tir.


明文

I am SLMT. Welcome to my tutorial channel. The video you are watching is about cryptography. This is a very important field of information security. One of the simplest encoding methods is substitution cipher, and you are trying to decoding it now.


密碼表

原來 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
換成 F C A B D H X N E W O S M T I J Q P Z K G L R V Y U

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