About: Polygraphic substitution

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Polygraphic substitution is a cipher in which a uniform substitution is performed on blocks of letters. When the length of the block is specifically known, more precise terms are used: for instance, a cipher in which pairs of letters are substituted is bigraphic.

Attributes	Values
rdf:type	noble
rdfs:label	Polygraphic substitution (en)
rdfs:comment	Polygraphic substitution is a cipher in which a uniform substitution is performed on blocks of letters. When the length of the block is specifically known, more precise terms are used: for instance, a cipher in which pairs of letters are substituted is bigraphic. (en)
dcterms:subject	Cryptography
Wikipage page ID	3442905 (xsd:integer)
Wikipage revision ID	1105820976 (xsd:integer)
Link from a Wikipage to another Wikipage	Topics in cryptography Two-square cipher Cryptography Giambattista della Porta Lester S. Hill Playfair cipher Four-square cipher Hill cipher Charles Wheatstone Vigenère cipher Polyalphabetic substitution
sameAs	Polygraphic substitution Polygraphic substitution Polygraphic substitution Polygraphic substitution
dbp:wikiPageUsesTemplate	dbt:Short_description dbt:Unreferenced
has abstract	Polygraphic substitution is a cipher in which a uniform substitution is performed on blocks of letters. When the length of the block is specifically known, more precise terms are used: for instance, a cipher in which pairs of letters are substituted is bigraphic. As a concept, polygraphic substitution contrasts with monoalphabetic (or simple) substitutions in which individual letters are uniformly substituted, or polyalphabetic substitutions in which individual letters are substituted in different ways depending on their position in the text. In theory, there is some overlap in these definitions; one could conceivably consider a Vigenère cipher with an eight-letter key to be an octographic substitution. In practice, this is not a useful observation since it is far more fruitful to consider it to be a polyalphabetic substitution cipher. (en)
gold:hypernym	Cipher
prov:wasDerivedFrom	wikipedia-en:Polygraphic_substitution?oldid=1105820976&ns=0
page length (characters) of wiki page	3908 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Polygraphic_substitution
is Link from a Wikipage to another Wikipage of	Two-square cipher Playfair cipher Polygraph (disambiguation) Ferdinand Voegele Hill cipher List of English inventions and discoveries Ciphertext Frequency analysis Outline of cryptography Octographic Bigraphic
is Wikipage redirect of	Octographic Bigraphic
is Wikipage disambiguates of	Polygraph (disambiguation)
is foaf:primaryTopic of	wikipedia-en:Polygraphic_substitution

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