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C|C /C #/Java/y thon /M A T L A B代写代做、代做Java设计、Java语言帮做代写Database|帮做Haskel

【C|C /C #/Java/y thon /M A T L A B代写代做、代做Java设计、Java语言帮做代写Database|帮做Haskel】You can write in C /C #/Java/y thon /M A T L A B , etc.1 . Substituti on CiphersI n Sub stitution ci pher, each l etter i n th e p l ai n text is repl aced b y a l etter h av i ng so m e f ixed number of posi ti on s do w n /o r up th e al ph ab et.?E x am p l e:P l ease implement E n cry p t(Letter, Key ) and Decry p t(Letter, Key ). Key is the input parameter, which can b e def ined b y users. F o r ex am p l e, w h en K ey = 3,Encrypt(“HELLO”,3) = “KHOOR”, and Decrypt(“KHOOR”,3) = “HELLO”. Key can be other values.2.. T ran sp o si ti on C i p h erIn transposition cipher, the message is encrypted by rearrnaging the letter order, i .e., w ri te l etters ou t d i ag on al l y o v er a nu m b er o f ro w s, th en read o f f ci ph er ro w b y ro w . F o r example, the 留学生C /C #/Java/y thon /M A T L A B作业代写代做、代做Java课程设计、Java语言帮做 plain text “meet after the toga party”, can be written out as:?m e m a t r h t g p r y?e t e f e t e o a a ti f th e ci ph er tex t i s w ri tten i n tw o ro w s.P l ease i m p l em en t E n cry p t(L etter, K ey ) and D ecry p t(L etter, K ey ), w i th K ey as ho w m an y ro w s are th ere i n ci ph er tex t.3.P rodu ct C i p h ersW e d ef i n e P rodu ct C i p h er as th e F un cti o n o f B o o l ean al g eb ra: tw o b i ts are co m p ared . I f tw o b i ts are i d en ti cal , th e resu l t i s b i n ary 0; I f tw o b i ts are n o t i d en ti cal , th e resu l t i sb i n ary 1 , sho w n as i n th e f o l l o w i ng f i g u re.P l ease i m p l em en t E n cry p t(Letter, Key ) and Decry p t(Letter, Key ), with K ey as d ef i n ed b y users.转自：http://ass.3daixie.com/2018092722237618.html

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