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- Classical_cipher abstract "A cipher is a means of concealing a message, where letters of the message are substituted or transposed for other letters, letter pairs, and sometimes for many letters. In cryptography, a classical cipher is a type of cipher that was used historically but now has fallen, for the most part, into disuse. In general, classical ciphers operate on an alphabet of letters (such as "A-Z"), and are implemented by hand or with simple mechanical devices. They are probably the most basic types of ciphers, which made them not very reliable, especially after new technology was developed. Modern schemes use computers or other digital technology, and operate on bits and bytes. Many classical ciphers were used by well-respected people, such as Julius Caesar and Napoleon, who created their own ciphers which were then popularly used. Many ciphers had their origins in the military and were used for transporting secret messages among people on the same side. Classical schemes are often susceptible to ciphertext-only attacks, sometimes even without knowledge of the system itself, using tools such as frequency analysis. Sometimes grouped with classical ciphers are more advanced mechanical or electro-mechanical cipher machines, such as the Enigma machine.".
- Classical_cipher wikiPageExternalLink ~crypto.
- Classical_cipher wikiPageExternalLink handciphers.htm.
- Classical_cipher wikiPageID "705892".
- Classical_cipher wikiPageRevisionID "578965380".
- Classical_cipher hasPhotoCollection Classical_cipher.
- Classical_cipher subject Category:Classical_ciphers.
- Classical_cipher type Abstraction100002137.
- Classical_cipher type Cipher106254239.
- Classical_cipher type ClassicalCiphers.
- Classical_cipher type Communication100033020.
- Classical_cipher type Message106253690.
- Classical_cipher comment "A cipher is a means of concealing a message, where letters of the message are substituted or transposed for other letters, letter pairs, and sometimes for many letters. In cryptography, a classical cipher is a type of cipher that was used historically but now has fallen, for the most part, into disuse. In general, classical ciphers operate on an alphabet of letters (such as "A-Z"), and are implemented by hand or with simple mechanical devices.".
- Classical_cipher label "Chiffre (cryptologie)".
- Classical_cipher label "Cifra".
- Classical_cipher label "Cifrado clásico".
- Classical_cipher label "Classical cipher".
- Classical_cipher label "Handcijfer".
- Classical_cipher sameAs Κλασικά_κρυπτοσυστήματα.
- Classical_cipher sameAs Cifrado_clásico.
- Classical_cipher sameAs Chiffre_(cryptologie).
- Classical_cipher sameAs 고전_암호.
- Classical_cipher sameAs Handcijfer.
- Classical_cipher sameAs Cifra.
- Classical_cipher sameAs m.034bl7.
- Classical_cipher sameAs Q10855346.
- Classical_cipher sameAs Q10855346.
- Classical_cipher sameAs Classical_cipher.
- Classical_cipher wasDerivedFrom Classical_cipher?oldid=578965380.
- Classical_cipher isPrimaryTopicOf Classical_cipher.