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Header of Substitution cipher

Substitution cipher

Definition of the noun Substitution cipher

What does Substitution cipher mean as a name of something?

noun

  1. [cryptography] a method of encryption by which units of plaintext are substituted with ciphertext according to a regular system; the "units" may be single letters (the most common), pairs of letters, triplets of letters, mixtures of the above, and so forth. The receiver deciphers the text by performing an inverse substitution.

Explanation

Substitution cipher: In cryptography, a substitution cipher is a method of encoding by which units of plaintext are replaced with ciphertext, according to a regular system; the "units" may be single letters, pairs of letters, triplets of letters, mixtures of the above, and so forth. The receiver deciphers the text by performing an inverse substitution.

  • also known as 替换式密码

Printed dictionaries and other books with definitions for Substitution cipher

Click on a title to look inside that book (if available):

Google previewCompTIA Security+ Study Guide (2014)

SY0-401 by Emmett Dulaney, Chuck Easttom

Substitution Ciphers A substitution cipher is a type of coding or ciphering system that changes one character or symbol into another. Character substitution can be a relatively easy method of encrypting information. One of the oldest known ...

Google previewBulletin of Electrical Engineering and Informatics (2012)

Vol 1, No 1: March 2012 by Tole Sutikno, Auzani Jidin, Mochammad Facta

Substitution cipher is one of the basic components of classical ciphers. A substitution cipher is a method of encryption by which units of plain ...

Google previewGlobal Trends in Computing and Communication Systems (2012)

4th International Conference, ObCom 2011, Vellore, TN, India, December 9-11, 2011, Part I. Proceedings by P. Venkata Krishna, M. Rajasekhara Babu, Ezendu Ariwa

Polyalphabetic substitution cipher is a symmetric encryption algorithm. In 1467, Leon Battista Alberti developed the earliest form of polyalphabetic cipher. Later on more modern forms were devised which changes substitution for each letter.

Google previewHomomorphic Encryption and Applications (2014)

by Xun Yi, Russell Paulet, Elisa Bertino

Substitution cipher is a method of encryption by which 1 Introduction 1.1 Classical Ciphers.

Google previewFoundations of Security (2007)

What Every Programmer Needs to Know by Christoph Kern, Anita Kesavan, Neil Daswani

However, the substitution cipher is a very old, easily breakable cipher, and is now used at most for children's games on the backs of cereal boxes. In most languages, English included, there is a natural frequency with which letters occur .

Google previewCryptography Demystified (2002)

by John Hershey

The general simple substitution cipher is a true cryptosystem, however, and like all cryptosystems it has a keying variable associated with it. The keying variable for a simple substitution cipher is the selection of the ciphertext alphabet. We now ...

Google previewHistorical Encyclopedia of Natural and Mathematical Sciences (2009)

by Ari Ben-Menahem

An early substitution cipher is found in the Old Testament (Jeremiah 25:26 and 51:41 ). There, the prophet wrote Sheshach for Babel (Babylon). The second letter of ...

Google previewElsevier's Dictionary of Information Security (2007)

by G. Manoilov, B. Radichkova

r substitution cipher (a method of hiding text in which plain text letters are replaced by ciphertext letters or symbols) d Ersatzziffer f f chiffre m de substitution r шифр m подстановки substitution cryptography Ersatzkryptografief cryptographiefde ...

Google previewInternational Encyclopedia of Military History (2004)

by James C. Bradford

The substitution cipher was the most popular way to send secret messages until Arab scholars invented cryptanalysis, the science of unscrambling a message without the key, in about the ninth century Military forces continue to communicate ...

Google previewA Dictionary of Computer Science (2016)

by Andrew Butterfield, Gerard Ekembe Ngondi, Anne Kerr

See SUBSTITUTION CIPHER. substitution cipher A*cipher, or a component of a more complicated cipher, that involves the symbolateach place in the plaintext being (effectively) looked up in a table, and replaced by the substitute symbol ...

Google previewEncyclopedia of Intelligence and Counterintelligence (2015)

by Rodney Carlisle

It utilized a substitution cipher based on a tableau of 26 staggered alphabets with row shifts and a key. The Union cryptologists were far ahead of the Confederates when it came to effective ciphers and codes, as the Confederates were very ...

Google previewThe Demon Dictionary Volume Two (2014)

An Exposé on Cultural Practices, Symbols, Myths, and the Luciferian Doctrine by Kimberly Daniels

The Theban alphabet is a writing system used almost exclusively by Wiccans as a substitution cipher to protect magical writings from prying eyes. Its origins are unknown; ...

Google previewThe Demon Dictionary (2014)

by Kimberly Daniels

The Theban alphabet is a writing system used almost exclusively by Wiccans as a substitution cipher to protect magical writings from prying eyes. Its origins are unknown; ...

Google previewDictionary of it Terms (2009)

by S.k.bansal

The resulting ciphertext is called substitution cipher. substrate: A transparent layer ...

Google previewThe Encyclopedia of Nineteenth-century Land Warfare (2001)

An Illustrated World View by Byron Farwell

"Substitution cipher" substitutes letters or characters for the letter intended. "Transposition cipher" transposes the letters after ...

Google previewEncyclopaedia of Hell (2011)

An Invasion Manual for Demons Concerning the Planet Earth and the Human Race Which Infests It by Martin Olson

For example, the curious reader can decode certain cryptic passages by utilizing an online “substitution cipher generator.” The bizarre intricacy of the manuscript itself5, its charts, diagrams, paradoxical layering of texts and recursive footnotes, ...

Google previewTalal Abu-Ghazaleh ICT Dictionary = معجم طلال أبو غزالة لتقنية المعلومات و الإتصالات (2013)

by منصور الطوالبة

Talal Abu-Ghazaleh ICT Dictionary Subscription Computing Subscription Site Subset Substitution Cipher Substitutivity Substrate Substring Subsystem Subtitle Subtracter Subtransaction Subtree Subweb Successor تالي، لاحق. معجم طلال ...

Google previewThe Dictionary of Made-Up Languages (2011)

From Elvish to Klingon, The Anwa, Reella, Ealray, Yeht (Real) Origins of Invented Lexicons by Stephen D Rogers

For example, imagine you're creating a simple substitution cipher for the English alphabet. You will present each letter using a series of vertical lines. | is A, || is B, ||| is C, ...

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Video about Substitution cipher

Substitution cipher Meaning

Video shows what substitution cipher means. a method of encryption by which units of plaintext are substituted with ciphertext according to a regular system, the ...

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