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the Playfair code is an example of asymmetrical encryption Polygram ik substitution diagram code all that just makes it sound much harder than it really is its really not that difficult it was developed in 1854 by a guy named of Charles Witt stone but it was used extensively by Lord Playfair which is why it is called the Playfair code now what I like about the play for a code is that its easy relatively speaking for just a regular person to write down without need of a computer or mathematics of any kind yet its fiendishly clever much more so than say a Caesar cipher or skip cipher the Playfair code can be in we can make variations to it that make it even more fiendishly clever yet its still simple enough that anybody can easily write out a message or decode encode or decode a message so how does it work well first youre gonna get yourself a 5x5 grid here we go 5x5 grid and youre gonna fill it with the letters of the alphabet now theres 26 letters in the alphabet so were gonna
