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The Atbash cipher is a particular type of monoalphabetic cipher formed by taking the alphabet (or abjad, syllabary, etc.) and mapping it to its reverse, so that the first letter becomes the last letter, the second letter becomes the second to last letter, and so on.
The Atbash Cipher was applied and out of "Sheshach" came the word "Babel". This is supposed to be confirmed by a reference to Jeremiah 51:41 , where Sheshach and Babylon are in parallel clauses. There seems to be no reason to doubt that Babylon is here intended by this name.
The cipher alphabet may be shifted or reversed (creating the Caesar and Atbash ciphers, respectively) or scrambled in a more complex fashion, in which case it is called a mixed alphabet or deranged alphabet. Traditionally, mixed alphabets may be created by first writing out a keyword, removing repeated letters in it, then writing all the ...
Pages in category "Classical ciphers" The following 53 pages are in this category, out of 53 total. ... Atbash; Autokey cipher; B. Bacon's cipher; Beaufort cipher;
All of the electromechanical machines used in World War II were of this logical class, as were the Caesar and Atbash ciphers and essentially all cipher systems throughout history. The 'key' for a code is, of course, the codebook, which must likewise be distributed and kept secret, and so shares most of the same problems in practice.
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The Caesar cipher is an Affine cipher with a = 1 since the encrypting function simply reduces to a linear shift. The Atbash cipher uses a = −1. Considering the specific case of encrypting messages in English (i.e. m = 26), there are a total of 286 non-trivial