Difference between revisions of "Use a Polybius Square"

{{fa}}Originally conceived by the [[Speak Basic Greek|Greek]] [[Become a Historian|historian]] Polybius in the second [[Tell the Day in Any Year and Century|century]] B.C., the Polybius [[Create a Vigenere Square|square]] or Polybius checkerboard is one of the simplest tools in cryptography.  You can use a Polybius square to [[Encode a Computer File Into a Base64 Encoded Text File|encode]] a [[Write an Invisible Message|message]] that can then be deciphered only by someone who knows the arrangement of letters in the [[Fold Paper Into a Secret Note Square|square]].  It's not secure enough to send [[Survive in a Military School|military]] [[Keep Secrets (for Kids)|secrets]], but it can be a fun way to learn about cryptography and to send secret messages to your [[Make Friends|friends]].

{{fa}}Originally conceived by the [[Speak Basic Greek|Greek]] [[Become a Historian|historian]] Polybius in the second [[Tell the Day in Any Year and Century|century]] B.C., the Polybius [[Create a Vigenere Square|square]] or Polybius checkerboard is one of the simplest tools in cryptography.  You can use a Polybius square to [[Encode a Computer File Into a Base64 Encoded Text File|encode]] a [[Write an Invisible Message|message]] that can then be deciphered only by someone who knows the arrangement of letters in the [[Fold Paper Into a Secret Note Square|square]].  It's not secure enough to send [[Survive in a Military School|military]] [[Keep Secrets (for Kids)|secrets]], but it can be a fun way to learn about cryptography and to send secret messages to your [[Make Friends|friends]].

== Steps ==

== Steps ==