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A scytale. In cryptography, a scytale (/ ˈ s k ɪ t əl iː /; also transliterated skytale, Ancient Greek: σκυτάλη skutálē "baton, cylinder", also σκύταλον skútalon) is a tool used to perform a transposition cipher, consisting of a cylinder with a strip of parchment wound around it on which is written a message.
The ancient Greeks are said to have known of ciphers. [10] The scytale transposition cipher was used by the Spartan military, [6] ... Cryptography, cryptanalysis, ...
The Polybius square, also known as the Polybius checkerboard, is a device invented by the ancient Greeks Cleoxenus and Democleitus, and made famous by the historian and scholar Polybius. [1] The device is used for fractionating plaintext characters so that they can be represented by a smaller set of symbols, which is useful for telegraphy ...
1989 – Quantum cryptography experimentally demonstrated in a proof-of-the-principle experiment by Charles Bennett et al. 1991 – Phil Zimmermann releases the public key encryption program PGP along with its source code, which quickly appears on the Internet. 1994 – Bruce Schneier's Applied Cryptography is published.
Cryptography, or cryptology (from Ancient Greek: κρυπτός, romanized: kryptós "hidden, secret"; and γράφειν graphein, "to write", or -λογία-logia, "study", respectively [1]), is the practice and study of techniques for secure communication in the presence of adversarial behavior. [2]
Ancient Greece (Ancient Greek: Ἑλλάς, romanized: Hellás) was a northeastern Mediterranean civilisation, existing from the Greek Dark Ages of the 12th–9th centuries BC to the end of classical antiquity (c. 600 AD), that comprised a loose collection of culturally and linguistically related city-states and communities.
This type of early encryption was used throughout Ancient Greece and Rome for military purposes. [3] One of the most famous military encryption developments was the Caesar cipher , in which a plaintext letter is shifted a fixed number of positions along the alphabet to get the encoded letter.
Stonehenge located in Wiltshire, United Kingdom, is one of the world's best known megalithic structures.. Archaeocryptography (from Greek ἀρχαῖος, arkhaios, "ancient" and κρυπτός (kruptós), "hidden, secret"; and γράφειν (graphein), "to write") is the attempt to decode an ancient monument or structure by supposing an underlying mathematical order beneath the proportions ...