Terms

Scythale

Scythale is said to be a knot system for communication developed by the Scythians. It also became a Greek method of cryptography.
 
scytale consisted of a tapered baton, around which was spirally wrapped a strip of parchment or leather on which the message was written. When unwrapped, the letters were scrambled in order and formed the cipher; however, when the strip was wrapped around another baton of identical proportions to the original, the plaintext reappeared. Thus, the Greeks were the inventors of the first transposition cipher.
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